2023-11-20EatonVanceFixed-IncomeETF_Pro485B
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Calvert International Responsible Index ETF
Calvert US Large-Cap Core Responsible Index ETF
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF
Calvert US Mid-Cap Core Responsible Index ETF

Prospectus   |   January 28, 2024 
Portfolio
Ticker Symbol
Exchange
Calvert International Responsible Index ETF
CVIE
NYSE Arca
Calvert US Large-Cap Core Responsible Index ETF
CVLC
NYSE Arca
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF
CDEI
NYSE Arca
Calvert US Mid-Cap Core Responsible Index ETF
CVMC
NYSE Arca
The Securities and Exchange Commission (“SEC”) has not approved or disapproved these securities or passed upon the adequacy of this Prospectus. Any representation to the contrary is a criminal offense.
An investment in a Fund is not a bank deposit and is not insured by the Federal Deposit Insurance Corporation or any other government agency. An investment in a Fund involves investment risks, and you may lose money in the Fund.
MSETFCALPASSPRO 1/24 

 
 
Table of Contents
 
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Calvert  |  Fund Summary 
Calvert International Responsible Index ETF 
Investment Objective
Calvert International Responsible Index ETF (the “Fund”) seeks to track the performance of the Calvert International Responsible Index (the “Index”).
Fees and Expenses
The table below describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Annual Fund Operating Expenses1  (expenses that you pay each year as a percentage of the value of your investment)
Management Fee1
0.18%
Other Expenses
0.00%
Total Annual Fund Operating Expenses
0.18%
1 The Fund’s management agreement provides that the Fund’s “Adviser,” Morgan Stanley Investment Management Inc., will pay substantially all expenses of the Fund (including expenses of Morgan Stanley ETF Trust (the “Trust”) relating to the Fund), except for the distribution fees, if any, brokerage expenses, acquired fund fees and expenses, taxes, interest, litigation expenses, and other extraordinary expenses, including the costs of proxies, not incurred in the ordinary course of the Fund’s business.
Example
The example below is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example does not take into account brokerage commissions that you pay when purchasing or selling shares of the Fund.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then sell all of your shares at the end of those periods. The example also assumes your investment has a 5% return each year and the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
 
1 Year
3 Years
5 Years
10 Years
 
$18
$58
$101
$230
Portfolio Turnover
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in Total Annual Fund Operating Expenses or in the example, affect the Fund’s performance. During the period from January 30, 2023 (commencement of operations) through September 30, 2023, the Fund’s portfolio turnover rate was 13% of the average value of its portfolio.  
Principal Investment Strategies
Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in securities included in the underlying index. This policy may be changed without shareholder approval; however, shareholders would be notified upon 60 days’ notice in writing of any changes.
The Fund employs a passive management strategy designed to track, as closely as possible, the performance of the Index. The Fund invests in the common stock of a representative number of companies that resemble the Index. The Fund may also lend its securities.
The Fund may concentrate its investments (i.e., invest 25% or more of its total assets) in a particular industry or group of industries if the Index is concentrated. The degree to which components of the Index represent certain industries may change over time.
The Index is composed of common stocks of large companies in developed markets, excluding the U.S., that operate their businesses in a manner consistent with the Calvert Principles for Responsible Investment (the “Calvert Principles”). Large companies in developed markets include 1,000 large publicly traded companies, excluding real estate investments trusts and business development companies, in markets that Calvert Research and Management (“Calvert”), the Index provider, determines to be developed markets based on a set of criteria including level of economic development, existence of capital controls, openness to foreign direct investment, market trading and liquidity conditions, regulatory environment, treatment of minority shareholders, and investor expectations. When determining 1,000 large publicly traded companies, Calvert generally includes the 500 largest publicly traded companies located in or tied economically to Europe and the 500 largest publicly traded companies located in or tied economically to other non-U.S. and non-European developed markets. The Calvert Principles (a copy of which is included as an appendix to the Fund’s prospectus) serve as a framework for considering environmental, social and governance (“ESG”) factors. Under this framework, Calvert seeks to identify companies and other issuers that provide positive leadership in the areas of their operations and overall activities that are material to improving long-term shareholder value and societal outcomes, including ESG areas such as:
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Calvert  |  Fund Summary 
Calvert International Responsible Index ETF (Con’t) 
environmental sustainability and resource efficiency; equitable societies and respect for human rights; and accountable governance and transparency.
Stocks are weighted in the Index based on their float-adjusted market capitalization, by country and by sector, subject to certain prescribed limits. As of September 30, 2023, the Index included 816 companies (and typically is expected to be in the range between 700 and 800 companies), and the market capitalization ranged from approximately $2.8 billion to $420.1 billion with a weighted average market capitalization of approximately $85.8 billion. Market capitalizations of companies within the Index are subject to change. The number of companies in the Index will change over time due to Calvert’s evaluation of an issuer relative to the Calvert Principles or corporate actions involving companies in the Index, among other things. The Index is reconstituted annually and is rebalanced quarterly.
The Index is owned by Calvert, which is an affiliate of the Adviser.  Christopher Madden, CFA, Co-Head of Applied Responsible Investment Solutions, and Zi Ye, Index Manager, manage the Index construction process at Calvert.
An index is a group of securities whose overall performance is used as a standard to measure investment performance. An index or passively managed fund tries to match, as closely as possible, the performance of an established target index. An index fund’s goal is to mirror the target index whether the index is going up or down. To track the Index as closely as possible, the Fund attempts to remain fully invested in stocks. The Fund may enter into foreign currency transactions, including foreign currency forward exchange contracts, in the course of purchasing and selling foreign currency denominated securities in order to track, as closely as possible, the performance of the Index.
The Fund uses a sampling method of indexing. The sampling method involves selecting a representative number of securities that will resemble the Index in terms of key risk and other characteristics. The securities selected are expected to have, in the aggregate, investment characteristics (based on factors such as market value and industry weightings), fundamental characteristics (such as return variability and yield) and liquidity measures similar to those of the Index. The Fund may or may not hold all of the securities in the Index or hold securities in the same proportions as represented in the Index.
Principal Risks
There is no assurance that the Fund will achieve its investment objective, and you can lose money investing in this Fund. The principal risks of investing in the Fund include:
Tracking Error. Tracking error risk refers to the risk that the Fund’s performance may not match or correlate to that of the Index it attempts to track, either on a daily or aggregate basis. Because the Fund uses a representative sampling indexing strategy, it can be expected to have a larger tracking error than if it used a replication indexing strategy. Tracking error may occur because of, among other things, transaction costs, the Fund’s holding of cash, differences in accrual of dividends, changes to the Index or the need to meet new or existing regulatory requirements. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and the Index, rounding of share prices, changes to the composition of the Index, regulatory policies, limitations on Fund investments imposed by Fund diversification and/or concentration policies, high portfolio turnover rate and the use of leverage all contribute to tracking error. Unlike the Fund, the returns of the Index are not reduced by investment and other operating expenses, including the trading costs associated with implementing changes to its portfolio of investments. Tracking error risk may cause the Fund’s performance to be less than expected. Tracking error risk may be heightened during times of market volatility, unusual market conditions or other abnormal circumstances. The Fund may be required to deviate its investments from the securities and relative weightings of the Index to comply with applicable laws and regulations or because of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
 
Index Related Risk. The Fund’s return may not track the return of the Index for a number of reasons and therefore may not achieve its investment objective. For example, the Fund incurs a number of operating expenses not applicable to the Index, and incurs costs in buying and selling securities, especially when rebalancing the Fund’s securities holdings to reflect changes in the composition of the Index. In addition, the Fund’s return may differ from the return of the Index because of, among other things, pricing differences and the inability to purchase certain securities included in the Index due to regulatory or other restrictions.
 
 
In addition, because the Fund uses a representative sampling approach, the Fund can be expected to be less correlated with the return of the Index as when a fund purchases all of the securities in an index in the proportions in which they are represented in the index. Errors in the construction or calculation of the Index may occur from time to time. Any such errors may not be identified and corrected by the index provider for some period of time, which may have an adverse impact on the Fund and its shareholders. The risk that the Fund may not track the performance of the Index may be heightened during times of increased market volatility or other unusual market conditions.
Passive Investment. The Fund is managed using a passive investment strategy that uses a representative sampling indexing strategy. The Fund does not expect to hold common stocks of each company in the Index or in the same proportion as represented in the Index, and Fund performance may vary from the Index.
 
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Calvert  |  Fund Summary 
Calvert International Responsible Index ETF (Con’t) 
 
 
In addition, the Fund generally will not adjust its portfolio investments to attempt to take advantage of market opportunities or lessen the impact of a market decline or a decline in the performance of one or more issuers or for other reasons. Maintaining investments regardless of market conditions or the performance of individual investments could cause the Fund’s return to be lower than if the Fund employed an active strategy. Unusual market events or other abnormal circumstances may increase market volatility and may cause the characteristics of the Index components to vary from those expected under normal circumstances.
Concentration Risk. If the Index concentrates in the securities of issuers in one or more industries or groups of industries, the Fund may concentrate in such industries or groups of industries. By concentrating its investments in an industry or group of industries, the Fund may face greater risks than if it were diversified broadly over numerous industries or groups of industries.
 
Equity Securities. In general, prices of equity securities are more volatile than those of fixed-income securities. The prices of equity securities fluctuate, and sometimes widely fluctuate, in response to activities specific to the issuer of the security as well as factors unrelated to the fundamental condition of the issuer, including general market, economic and political conditions. During periods when equity securities experience heightened volatility, such as during periods of market, economic or financial uncertainty or distress, the Fund’s investments in equity securities may be subject to heightened risks.
 
 
The value of equity securities and related instruments may decline in response to adverse changes in the economy, the economic outlook or the financial markets; deterioration in investor sentiment; interest rate, currency, and commodity price fluctuations; adverse geopolitical, social or environmental developments; issuer- and sector-specific considerations; unexpected trading activity among retail investors; and other factors. Market conditions may affect certain types of stocks to a greater extent than other types of stocks. If the stock market declines, the value of Fund shares will also likely decline.
Foreign Securities. Investments in foreign markets entail special risks such as currency, political (including geopolitical), economic and market risks. There also may be greater market volatility, less reliable financial information, less stringent investor protections and disclosure standards, higher transaction and custody costs, decreased market liquidity and less government and exchange regulation associated with investments in foreign markets. In addition, investments in certain foreign markets that have historically been considered stable may become more volatile and subject to increased risk due to developments and changing conditions in such markets. Moreover, the growing interconnectivity of global economies and financial markets has increased the probability that adverse developments and conditions in one country or region will affect the stability of economies and financial markets in other countries or regions. Certain foreign markets may rely heavily on particular industries or foreign capital and are more vulnerable to diplomatic developments, the imposition of economic sanctions against a particular country or countries, organizations, companies, entities and/or individuals, changes in international trading patterns, trade barriers and other protectionist or retaliatory measures. Investments in foreign markets may also be adversely affected by governmental actions such as the imposition of capital controls, nationalization of companies or industries, expropriation of assets or the imposition of punitive taxes. The governments of certain countries may prohibit or impose substantial restrictions on foreign investing in their capital markets or in certain sectors or industries. In addition, a foreign government may limit or cause delay in the convertibility or repatriation of its currency which would adversely affect the U.S. dollar value and/or liquidity of investments denominated in that currency. Certain foreign investments may become less liquid in response to market developments or adverse investor perceptions, or become illiquid after purchase by the Fund, particularly during periods of market turmoil. When the Fund holds illiquid investments, its portfolio may be harder to value. In addition, the Fund’s investments in foreign issuers may be denominated in foreign currencies and therefore, to the extent unhedged, the value of those investments will fluctuate with U.S. dollar exchange rates.
 
Responsible Investing. Investing primarily in responsible investments carries the risk that, under certain market conditions, the Fund may underperform funds that do not utilize a responsible investment strategy. The application of responsible investment criteria may affect the Fund’s exposure to certain sectors or types of investments, and may impact the Fund’s relative investment performance depending on whether such sectors or investments are in or out of favor in the market. An investment’s ESG performance, or Calvert’s assessment of such performance may change over time, which could cause the Fund to temporarily hold securities that do not comply with the Fund’s responsible investment criteria. In evaluating an issuer, Calvert is dependent upon information and data that may be incomplete, inaccurate or unavailable, which could adversely affect the analysis of the ESG factors relevant to a particular investment.
 
Market and Geopolitical Risk. The value of your investment in the Fund is based on the values of the Fund’s investments, which change due to economic and other events that affect markets generally, as well as those that affect particular regions, countries, industries, companies or governments. These events may be sudden and unexpected, and could adversely affect the liquidity of the Fund’s investments, which may in turn impact valuation, the Fund’s ability to sell securities and/or its ability to meet redemptions. The risks associated with these developments may be magnified if certain social, political, economic and other conditions and events (such as war, natural disasters, epidemics and pandemics, terrorism, conflicts, social unrest, recessions, inflation, interest rate changes and supply chain disruptions) adversely interrupt the global economy and financial markets. It is difficult to predict when events affecting the  U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects (which may last for extended periods). These events may negatively impact broad segments of businesses and populations and have a significant and rapid negative impact on the performance of the Fund’s investments, adversely affect and increase the volatility of the Fund’s share price and exacerbate pre-existing risks to the Fund.
 
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Calvert  |  Fund Summary 
Calvert International Responsible Index ETF (Con’t) 
ETF Structure Risks.
 
 
Authorized Participant Concentration Risk. Only an authorized participant may engage in creation or redemption transactions directly with the Fund. The Fund has a limited number of intermediaries that act as authorized participants and none of these authorized participants is or will be obligated to engage in creation or redemption transactions. There can be no assurance that an active trading market for the Fund’s shares will develop or be maintained. To the extent that these intermediaries exit the business or are unable to or choose not to proceed with creation and/or redemption orders with respect to the Fund, such as during periods of market stress, and no other authorized participant creates or redeems, shares may trade at a discount to net asset value (“NAV”) and possibly face trading halts and/or delisting.
 
 
Trading Risk. The market prices of shares are expected to fluctuate, in some cases materially, in response to changes in the Fund’s NAV, the intra-day value of the Fund’s holdings, and supply and demand for shares. The Adviser cannot predict whether shares will trade above, below or at their NAV. Disruptions to creations and redemptions, the existence of significant market volatility or potential lack of an active trading market for the shares (including through a trading halt), as well as other factors, may result in the shares trading significantly above (at a premium) or below (at a discount) to NAV or to the intraday value of the Fund’s holdings. You may pay significantly more or receive significantly less than the Fund’s NAV per share during periods when there is a significant premium or discount. Buying or selling shares in the secondary market may require paying brokerage commissions or other charges imposed by brokers as determined by that broker. Brokerage commissions are often a fixed amount and may be a significant proportional cost when seeking to buy or sell relatively small amounts of shares. In addition, the market price of shares, like the price of any exchange-traded security, includes a “bid-ask spread” charged by the market makers or other participants that trade the particular security. The spread of the Fund’s shares varies over time based on the Fund’s trading volume and market liquidity and may increase if the Fund’s trading volume, the spread of the Fund’s underlying securities, or market liquidity decrease.
 
Shares of the Fund are not bank deposits and are not guaranteed or insured by the Federal Deposit Insurance Corporation or any other government agency.
Performance Information
As of the date hereof, the Fund has not yet completed a full calendar year of investment operations. Upon the completion of a full calendar year of investment operations by the Fund, this section will include charts that provide some indication of the risks of an investment in the Fund, by showing the difference in annual total returns, highest and lowest quarterly returns and average annual total returns (before and after taxes) compared to the Index and benchmark index selected for the Fund. Performance information for the Fund is available online at www.calvert.com or by calling toll-free 800-836-2414.
Fund Management
Adviser. Morgan Stanley Investment Management Inc.
Portfolio Managers. Information about the individuals jointly and primarily responsible for the day-to-day management of the Fund is shown below:
Name
Title with Adviser
Date Began
Managing Fund
Thomas C. Seto
Managing Director
January 2023
James Reber
Managing Director
January 2023
Matthew Maillet
Executive Director
January 2023
Purchase and Sale of Fund Shares
Individual shares of the Fund may only be purchased and sold in secondary market transactions through a broker or dealer at market price. Because shares trade at market prices, rather than NAV, shares of the Fund may trade at a price greater than NAV (i.e., a premium) or less than NAV (i.e., a discount).
You may incur costs attributable to the difference between the highest price a buyer is willing to pay for shares (bid) and the lowest price a seller is willing to accept for shares (ask) (the “bid-ask spread”) when buying or selling shares in the secondary market.
Recent information, including information about the Fund’s NAV, market price, premiums and discounts, and bid-ask spreads, is available on the Fund’s website at www.calvert.com.
Tax Information
The Fund intends to make dividends and distributions that may be taxed as ordinary income or capital gains, unless you are investing through a tax-deferred arrangement, such as a 401(k) plan or an individual retirement account.
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Calvert  |  Fund Summary 
Calvert International Responsible Index ETF (Con’t) 
Payments to Broker-Dealers and Other Financial Intermediaries
If you purchase shares of the Fund through a financial intermediary (such as a bank), the Adviser and/or Foreside Fund Services, LLC (the “Distributor”) may pay the financial intermediary for the sale of Fund shares and related services. These payments, which may be significant in amount, may create a conflict of interest by influencing the financial intermediary and your salesperson to recommend the Fund over another investment. Ask your salesperson or visit your financial intermediary’s web site for more information.
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Calvert  |  Fund Summary 
Calvert US Large-Cap Core Responsible Index ETF 
Investment Objective
Calvert US Large-Cap Core Responsible Index ETF (the “Fund”) seeks to track the performance of the Calvert US Large-Cap Core Responsible Index (the “Index”).
Fees and Expenses
The table below describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Annual Fund Operating Expenses1  (expenses that you pay each year as a percentage of the value of your investment)
Management Fee1
0.15%
Other Expenses
0.00%
Total Annual Fund Operating Expenses
0.15%
1 The Fund’s management agreement provides that the Fund’s “Adviser,” Morgan Stanley Investment Management Inc., will pay substantially all expenses of the Fund (including expenses of Morgan Stanley ETF Trust (the “Trust”) relating to the Fund), except for the distribution fees, if any, brokerage expenses, acquired fund fees and expenses, taxes, interest, litigation expenses, and other extraordinary expenses, including the costs of proxies, not incurred in the ordinary course of the Fund’s business.
Example
The example below is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example does not take into account brokerage commissions that you pay when purchasing or selling shares of the Fund.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then sell all of your shares at the end of those periods. The example also assumes your investment has a 5% return each year and the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
 
1 Year
3 Years
5 Years
10 Years
 
$15
$48
$85
$192
Portfolio Turnover
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in Total Annual Fund Operating Expenses or in the example, affect the Fund’s performance. During the period from January 30, 2023 (commencement of operations) through September 30, 2023, the Fund’s portfolio turnover rate was 6% of the average value of its portfolio.  
Principal Investment Strategies
Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in securities included in the underlying index. This policy may be changed without shareholder approval; however, shareholders would be notified upon 60 days’ notice in writing of any changes.
The Fund employs a passive management strategy designed to track, as closely as possible, the performance of the Index. The Fund invests in the common stock of each company in the Index in approximately the same proportion as represented in the Index itself. The Fund may also lend its securities.
The Fund may concentrate its investments (i.e., invest 25% or more of its total assets) in a particular industry or group of industries if the Index is concentrated. The degree to which components of the Index represent certain industries may change over time. As of September 30, 2023, the Index was concentrated in, and therefore the Fund is expected to have significant exposure to, the information technology sector.
The Index is composed of common stocks of large companies that operate their businesses in a manner consistent with the Calvert Principles for Responsible Investment (the “Calvert Principles”) (a copy of which is included as an appendix to the Fund’s prospectus). Large companies are the 1,000 largest publicly traded U.S. companies based on market capitalization, excluding real estate investment trusts and business development companies. The Calvert Principles serve as a framework for considering environmental, social and governance (“ESG”) factors. Under this framework, Calvert seeks to identify companies and other issuers that provide positive leadership in the areas of their operations and overall activities that are material to improving long-term shareholder value and societal outcomes, including ESG areas such as: environmental sustainability and resource efficiency; equitable societies and respect for human rights; and accountable governance and transparency.
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Calvert  |  Fund Summary 
Calvert US Large-Cap Core Responsible Index ETF (Con’t) 
Stocks are weighted in the Index based on their float-adjusted market capitalization within the relevant sector, subject to certain prescribed limits. As of September 30, 2023, the Index included 782 companies (and typically is expected to be in the range between 700 and 800 companies), and the market capitalization ranged from approximately $1.6 billion to $2.7 trillion with a weighted average market capitalization of approximately $575.6 billion. Market capitalizations of companies within the Index are subject to change. The number of companies in the Index will change over time due to Calvert’s evaluation of an issuer relative to the Calvert Principles or corporate actions involving companies in the Index, among other things. The Index is reconstituted annually and is rebalanced quarterly.
The Index is owned by Calvert, which is an affiliate of the Adviser.  Christopher Madden, CFA, Co-Head of Applied Responsible Investment Solutions, and Zi Ye, Index Manager manage the Index construction process at Calvert.
An index is a group of securities whose overall performance is used as a standard to measure investment performance. An index or passively managed fund tries to match, as closely as possible, the performance of an established target index. An index fund’s goal is to mirror the target index whether the index is going up or down. To track the Index as closely as possible, the Fund attempts to remain fully invested in stocks.
The Fund uses a replication method of indexing. The replication method involves holding every security in the Index in approximately the same proportion as the Index. Unlike the Index, however, the Fund is subject to certain regulatory requirements that can limit its ability to fully replicate the Index. Under various circumstances, it may not be possible or practicable to purchase or hold all of, or only, the constituent securities in their respective weightings in the Index. If Fund assets should ever decline to below $5 million, the Fund may use the sampling method. The sampling method involves selecting a representative number of securities that will resemble the Index in terms of key risk and other characteristics.
Principal Risks
There is no assurance that the Fund will achieve its investment objective, and you can lose money investing in this Fund. The principal risks of investing in the Fund include:
Tracking Error. Tracking error risk refers to the risk that the Fund’s performance may not match or correlate to that of the Index it attempts to track, either on a daily or aggregate basis. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, changes to the Index or the need to meet new or existing regulatory requirements. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and the Index, rounding of share prices, changes to the composition of the Index, regulatory policies, limitations on Fund investments imposed by Fund diversification and/or concentration policies, high portfolio turnover rate and the use of leverage all contribute to tracking error. Unlike the Fund, the returns of the Index are not reduced by investment and other operating expenses, including the trading costs associated with implementing changes to its portfolio of investments. Tracking error risk may cause the Fund’s performance to be less than expected. Tracking error risk may be heightened during times of market volatility, unusual market conditions or other abnormal circumstances. The Fund may be required to deviate its investments from the securities and relative weightings of the Index to comply with applicable laws and regulations or because of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates. If the Fund uses a sampling method of indexing, it may have a larger tracking error than if it used a replication method of indexing.
 
Index Related Risk. The Fund’s return may not track the return of the Index for a number of reasons and therefore may not achieve its investment objective. For example, the Fund incurs a number of operating expenses not applicable to the Index, and incurs costs in buying and selling securities, especially when rebalancing the Fund’s securities holdings to reflect changes in the composition of the Index. In addition, the Fund’s return may differ from the return of the Index because of, among other things, pricing differences and the inability to purchase certain securities included in the Index due to regulatory or other restrictions.
 
 
In addition, if the Fund uses a representative sampling approach, the Fund may not be as well correlated with the return of the Index as when the Fund purchases all of the securities in the Index in the proportions in which they are represented in the Index. Errors in the construction or calculation of the Index may occur from time to time. Any such errors may not be identified and corrected by the index provider for some period of time, which may have an adverse impact on the Fund and its shareholders. The risk that the Fund may not track the performance of the Index may be heightened during times of increased market volatility or other unusual market conditions.
Passive Investment. The Fund is managed using a passive investment strategy and expects to hold common stocks of each company in the Index regardless of their current or projected performance. The Fund generally will not adjust its portfolio investments to attempt to take advantage of market opportunities or lessen the impact of a market decline or a decline in the performance of one or more issuers or for other reasons. Maintaining investments regardless of market conditions or the performance of individual investments could cause the Fund’s return to be lower than if the Fund employed an active strategy. Unusual market events may increase market volatility and may cause the characteristics of the Index components to vary from those expected under normal circumstances.
 
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Calvert  |  Fund Summary 
Calvert US Large-Cap Core Responsible Index ETF (Con’t) 
Concentration Risk. If the Index concentrates in the securities of issuers in one or more industries or groups of industries, the Fund may concentrate in such industries or groups of industries. By concentrating its investments in an industry or group of industries, the Fund may face greater risks than if it were diversified broadly over numerous industries or groups of industries.
 
Information Technology Sector Risk.  The value of Fund shares may be particularly impacted by events that adversely affect the information technology sector, such as rapid changes in technology product cycles, product obsolescence, government regulation, and competition, and may fluctuate more than that of a fund that does not concentrate in companies in the technology sector.
 
Equity Securities. In general, prices of equity securities are more volatile than those of fixed-income securities. The prices of equity securities fluctuate, and sometimes widely fluctuate, in response to activities specific to the issuer of the security as well as factors unrelated to the fundamental condition of the issuer, including general market, economic and political conditions. During periods when equity securities experience heightened volatility, such as during periods of market, economic or financial uncertainty or distress, the Fund’s investments in equity securities may be subject to heightened risks.
 
 
The value of equity securities and related instruments may decline in response to adverse changes in the economy, the economic outlook or the financial markets; deterioration in investor sentiment; interest rate, currency, and commodity price fluctuations; adverse geopolitical, social or environmental developments; issuer- and sector-specific considerations; unexpected trading activity among retail investors; and other factors. Market conditions may affect certain types of stocks to a greater extent than other types of stocks. If the stock market declines, the value of Fund shares will also likely decline.
Responsible Investing. Investing primarily in responsible investments carries the risk that, under certain market conditions, the Fund may underperform funds that do not utilize a responsible investment strategy. The application of responsible investment criteria may affect the Fund’s exposure to certain sectors or types of investments, and may impact the Fund’s relative investment performance depending on whether such sectors or investments are in or out of favor in the market. An investment’s ESG performance, or Calvert’s assessment of such performance may change over time, which could cause the Fund to temporarily hold securities that do not comply with the Fund’s responsible investment criteria. In evaluating an issuer, Calvert is dependent upon information and data that may be incomplete, inaccurate or unavailable, which could adversely affect the analysis of the ESG factors relevant to a particular investment.
 
Market and Geopolitical Risk. The value of your investment in the Fund is based on the values of the Fund’s investments, which change due to economic and other events that affect markets generally, as well as those that affect particular regions, countries, industries, companies or governments. These events may be sudden and unexpected, and could adversely affect the liquidity of the Fund’s investments, which may in turn impact valuation, the Fund’s ability to sell securities and/or its ability to meet redemptions. The risks associated with these developments may be magnified if certain social, political, economic and other conditions and events (such as war, natural disasters, epidemics and pandemics, terrorism, conflicts, social unrest, recessions, inflation, interest rate changes and supply chain disruptions) adversely interrupt the global economy and financial markets. It is difficult to predict when events affecting the  U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects (which may last for extended periods). These events may negatively impact broad segments of businesses and populations and have a significant and rapid negative impact on the performance of the Fund’s investments, adversely affect and increase the volatility of the Fund’s share price and exacerbate pre-existing risks to the Fund.
 
ETF Structure Risks.
 
 
Authorized Participant Concentration Risk. Only an authorized participant may engage in creation or redemption transactions directly with the Fund. The Fund has a limited number of intermediaries that act as authorized participants and none of these authorized participants is or will be obligated to engage in creation or redemption transactions. There can be no assurance that an active trading market for the Fund’s shares will develop or be maintained. To the extent that these intermediaries exit the business or are unable to or choose not to proceed with creation and/or redemption orders with respect to the Fund, such as during periods of market stress, and no other authorized participant creates or redeems, shares may trade at a discount to net asset value (“NAV”) and possibly face trading halts and/or delisting.
 
 
Trading Risk. The market prices of shares are expected to fluctuate, in some cases materially, in response to changes in the Fund’s NAV, the intra-day value of the Fund’s holdings, and supply and demand for shares. The Adviser cannot predict whether shares will trade above, below or at their NAV. Disruptions to creations and redemptions, the existence of significant market volatility or potential lack of an active trading market for the shares (including through a trading halt), as well as other factors, may result in the shares trading significantly above (at a premium) or below (at a discount) to NAV or to the intraday value of the Fund’s holdings. You may pay significantly more or receive significantly less than the Fund’s NAV per share during periods when there is a significant premium or discount. Buying or selling shares in the secondary market may require paying brokerage commissions or other charges imposed by brokers as determined by that broker. Brokerage commissions are often a fixed amount and may be a significant proportional cost when seeking to buy or sell relatively small amounts of shares. In addition, the market price of shares, like the price of any exchange-traded security, includes a “bid-ask spread” charged by the market makers or other participants that trade the particular security. The spread of the Fund’s shares varies over time based on the Fund’s trading volume and market
 
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Calvert  |  Fund Summary 
Calvert US Large-Cap Core Responsible Index ETF (Con’t) 
 
 
liquidity and may increase if the Fund’s trading volume, the spread of the Fund’s underlying securities, or market liquidity decrease.
 
Shares of the Fund are not bank deposits and are not guaranteed or insured by the Federal Deposit Insurance Corporation or any other government agency.
Performance Information
As of the date hereof, the Fund has not yet completed a full calendar year of investment operations. Upon the completion of a full calendar year of investment operations by the Fund, this section will include charts that provide some indication of the risks of an investment in the Fund, by showing the difference in annual total returns, highest and lowest quarterly returns and average annual total returns (before and after taxes) compared to the Index and benchmark index selected for the Fund. Performance information for the Fund is available online at www.calvert.com or by calling toll-free 800-836-2414.
Fund Management
Adviser. Morgan Stanley Investment Management Inc.
Portfolio Managers. Information about the individuals jointly and primarily responsible for the day-to-day management of the Fund is shown below:
Name
Title with Adviser
Date Began
Managing Fund
Thomas C. Seto
Managing Director
January 2023
James Reber
Managing Director
January 2023
Matthew Maillet
Executive Director
January 2023
Purchase and Sale of Fund Shares
Individual shares of the Fund may only be purchased and sold in secondary market transactions through a broker or dealer at market price. Because shares trade at market prices, rather than NAV, shares of the Fund may trade at a price greater than NAV (i.e., a premium) or less than NAV (i.e., a discount).
You may incur costs attributable to the difference between the highest price a buyer is willing to pay for shares (bid) and the lowest price a seller is willing to accept for shares (ask) (the “bid-ask spread”) when buying or selling shares in the secondary market.
Recent information, including information about the Fund’s NAV, market price, premiums and discounts, and bid-ask spreads, is available on the Fund’s website at www.calvert.com.
Tax Information
The Fund intends to make dividends and distributions that may be taxed as ordinary income or capital gains, unless you are investing through a tax-deferred arrangement, such as a 401(k) plan or an individual retirement account.
Payments to Broker-Dealers and Other Financial Intermediaries
If you purchase shares of the Fund through a financial intermediary (such as a bank), the Adviser and/or Foreside Fund Services, LLC (the “Distributor”) may pay the financial intermediary for the sale of Fund shares and related services. These payments, which may be significant in amount, may create a conflict of interest by influencing the financial intermediary and your salesperson to recommend the Fund over another investment. Ask your salesperson or visit your financial intermediary’s web site for more information.
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Calvert  |  Fund Summary 
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF 
Investment Objective
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF (the “Fund”) seeks to track the performance of the Calvert US Large-Cap Diversity Research Index (the “Index”).
Fees and Expenses
The table below describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Annual Fund Operating Expenses1  (expenses that you pay each year as a percentage of the value of your investment)
Management Fee1
0.14%
Other Expenses
0.00%
Total Annual Fund Operating Expenses
0.14%
1 The Fund’s management agreement provides that the Fund’s “Adviser,” Morgan Stanley Investment Management Inc., will pay substantially all expenses of the Fund (including expenses of Morgan Stanley ETF Trust (the “Trust”) relating to the Fund), except for the distribution fees, if any, brokerage expenses, acquired fund fees and expenses, taxes, interest, litigation expenses, and other extraordinary expenses, including the costs of proxies, not incurred in the ordinary course of the Fund’s business.
Example
The example below is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example does not take into account brokerage commissions that you pay when purchasing or selling shares of the Fund.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then sell all of your shares at the end of those periods. The example also assumes your investment has a 5% return each year and the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
 
1 Year
3 Years
5 Years
10 Years
 
$14
$45
$79
$179
Portfolio Turnover
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in Total Annual Fund Operating Expenses or in the example, affect the Fund’s performance. During the period from January 30, 2023 (commencement of operations) through September 30, 2023, the Fund’s portfolio turnover rate was 19% of the average value of its portfolio.  
Principal Investment Strategies
Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in securities included in the underlying index. This policy may be changed without shareholder approval; however, shareholders would be notified upon 60 days’ notice in writing of any changes.
The Fund employs a passive management strategy designed to track, as closely as possible, the performance of the Index. The Fund invests in the common stock of each company in the Index in approximately the same proportion as represented in the Index itself. The Fund may also lend its securities.
The Fund may concentrate its investments (i.e., invest 25% or more of its total assets) in a particular industry or group of industries if the Index is concentrated. The degree to which components of the Index represent certain industries may change over time. As of September 30, 2023, the Index was concentrated in, and therefore the Fund is expected to have significant exposure to, the information technology sector.
The Index is composed of common stocks of large companies that operate their businesses in a manner consistent with the Calvert Principles for Responsible Investment (the “Calvert Principles”) (a copy of which is included as an appendix to the Fund’s prospectus) and are selected from the universe of the 1,000 largest publicly traded U.S. companies based on market capitalization, excluding real estate investment trusts and business development companies. As described in the Index rules and methodology (available on the Calvert website), and as determined by Calvert, Index components must meet certain criteria relating to leadership in having a diverse workforce and an equal and inclusive work culture, or demonstrate significant improvement in diversity practices. Such diversity practices include: a gender-balanced workforce among its board members, executives, senior and middle management, and employees; with respect to companies based in certain countries, including the U.S., United Kingdom, Australia, Canada and South Africa, ethnically diverse board members and, where available, executives and management relative to demographics in these
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Calvert  |  Fund Summary 
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF (Con’t) 
countries; diversity of board members on age, cultural background, and skill sets; policies and procedures that adequately support equal opportunity in hiring, equal pay and fair promotion among diversity groups; policies and programs that focus on living wages, health and safety, career development, parental leave, flexible work locations and schedules, child care availability, and inclusion of people with disabilities, people who are HIV positive, as well as people who self-identify as LGBTQ+.
The Calvert Principles serve as a framework for considering environmental, social and governance (“ESG”) factors. Under this framework, Calvert seeks to identify companies and other issuers that provide positive leadership in the areas of their operations and overall activities that are material to improving long-term shareholder value and societal outcomes, including ESG areas such as: environmental sustainability and resource efficiency; equitable societies and respect for human rights; and accountable governance and transparency.
Stocks are weighted in the Index based on their float-adjusted market capitalization. As of September 30, 2023, the Index included 355 companies (and typically is expected to be in the range between 400 and 600 companies), and the market capitalization ranged from approximately $2.2 billion to $2.7 trillion with a weighted average market capitalization of approximately $808.5 billion. Market capitalizations of companies within the Index are subject to change. The number of companies in the Index will change over time due to Calvert’s evaluation of an issuer relative to the Calvert Principles or corporate actions involving companies in the Index, among other things. The Index is reconstituted annually and is rebalanced quarterly.
The Index is owned by Calvert, which is an affiliate of the Adviser.  Christopher Madden, CFA, Co-Head of Applied Responsible Investment Solutions, Yijia Chen, CFA, ESG Quantitative Research Analyst and Index Manager, and Zi Ye, Index Manager, manage the Index construction process at Calvert.
An index is a group of securities whose overall performance is used as a standard to measure investment performance. An index or passively managed fund tries to match, as closely as possible, the performance of an established target index. An index fund’s goal is to mirror the target index whether the index is going up or down. To track the Index as closely as possible, the Fund attempts to remain fully invested in stocks.
The Fund uses a replication method of indexing. The replication method involves holding every security in the Index in approximately the same proportion as the Index. Unlike the Index, however, the Fund is subject to certain regulatory requirements that can limit its ability to fully replicate the Index. Under various circumstances, it may not be possible or practicable to purchase or hold all of, or only, the constituent securities in their respective weightings in the Index. If Fund assets should ever decline to below $5 million, the Fund may use the sampling method. The sampling method involves selecting a representative number of securities that will resemble the Index in terms of key risk and other characteristics.
Principal Risks
There is no assurance that the Fund will achieve its investment objective, and you can lose money investing in this Fund. The principal risks of investing in the Fund include:
Tracking Error. Tracking error risk refers to the risk that the Fund’s performance may not match or correlate to that of the Index it attempts to track, either on a daily or aggregate basis. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, changes to the Index or the need to meet new or existing regulatory requirements. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and the Index, rounding of share prices, changes to the composition of the Index, regulatory policies, limitations on Fund investments imposed by Fund diversification and/or concentration policies, high portfolio turnover rate and the use of leverage all contribute to tracking error. Unlike the Fund, the returns of the Index are not reduced by investment and other operating expenses, including the trading costs associated with implementing changes to its portfolio of investments. Tracking error risk may cause the Fund’s performance to be less than expected. Tracking error risk may be heightened during times of market volatility, unusual market conditions or other abnormal circumstances. The Fund may be required to deviate its investments from the securities and relative weightings of the Index to comply with applicable laws and regulations or because of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates. If the Fund uses a sampling method of indexing, it may have a larger tracking error than if it used a replication method of indexing.
 
Index Related Risk. The Fund’s return may not track the return of the Index for a number of reasons and therefore may not achieve its investment objective. For example, the Fund incurs a number of operating expenses not applicable to the Index, and incurs costs in buying and selling securities, especially when rebalancing the Fund’s securities holdings to reflect changes in the composition of the Index. In addition, the Fund’s return may differ from the return of the Index because of, among other things, pricing differences and the inability to purchase certain securities included in the underlying index due to regulatory or other restrictions.
 
 
In addition, when the Fund uses a representative sampling approach, the Fund may not be as well correlated with the return of the underlying index as when the Fund purchases all of the securities in the Index in the proportions in which they are represented
 
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Calvert  |  Fund Summary 
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF (Con’t) 
 
 
in the Index. Errors in the construction or calculation of the Index may occur from time to time. Any such errors may not be identified and corrected by the index provider for some period of time, which may have an adverse impact on the Fund and its shareholders. The risk that the Fund may not track the performance of the Index may be heightened during times of increased market volatility or other unusual market conditions.
Passive Investment. The Fund is managed using a passive investment strategy and expects to hold common stocks of each company in the Index regardless of their current or projected performance. The Fund generally will not adjust its portfolio investments to attempt to take advantage of market opportunities or lessen the impact of a market decline or a decline in the performance of one or more issuers or for other reasons. Maintaining investments regardless of market conditions or the performance of individual investments could cause the Fund’s return to be lower than if the Fund employed an active strategy. Unusual market events may increase market volatility and may cause the characteristics of the Index components to vary from those expected under normal circumstances.
 
Concentration Risk. If the Index concentrates in the securities of issuers in one or more industries or groups of industries, the Fund may concentrate in such industries or groups of industries. By concentrating its investments in an industry or group of industries, the Fund may face greater risks than if it were diversified broadly over numerous industries or groups of industries.
 
Information Technology Sector Risk. The value of Fund shares may be particularly impacted by events that adversely affect the information technology sector, such as rapid changes in technology product cycles, product obsolescence, government regulation, and competition, and may fluctuate more than that of a fund that does not concentrate in companies in the technology sector.
 
Equity Securities. In general, prices of equity securities are more volatile than those of fixed-income securities. The prices of equity securities fluctuate, and sometimes widely fluctuate, in response to activities specific to the issuer of the security as well as factors unrelated to the fundamental condition of the issuer, including general market, economic and political conditions. During periods when equity securities experience heightened volatility, such as during periods of market, economic or financial uncertainty or distress, the Fund’s investments in equity securities may be subject to heightened risks.
 
 
The value of equity securities and related instruments may decline in response to adverse changes in the economy, the economic outlook or the financial markets; deterioration in investor sentiment; interest rate, currency, and commodity price fluctuations; adverse geopolitical, social or environmental developments; issuer- and sector-specific considerations; unexpected trading activity among retail investors; and other factors. Market conditions may affect certain types of stocks to a greater extent than other types of stocks. If the stock market declines, the value of Fund shares will also likely decline.
Non-Diversification. The Fund is non-diversified, which means that the Fund may invest a greater percentage of its assets in a smaller number of issuers than a diversified fund. Because the Fund is non-diversified, it may be more susceptible to an adverse event affecting a single issuer or portfolio investment than a diversified portfolio and a decline in the value of that issuer’s securities or that portfolio investment may cause the Fund’s overall value to decline to a greater degree than a diversified portfolio.
 
Responsible Investing. Investing primarily in responsible investments, such as the companies which meet the Index’s criteria relating workforce diversity and an equal and inclusive work culture or demonstrate significant improvement in diversity practices, carries the risk that, under certain market conditions, the Fund may underperform funds that do not utilize a responsible investment strategy. The application of responsible investment criteria may affect the Fund’s exposure to certain sectors or types of investments, and may impact the Fund’s relative investment performance depending on whether such sectors or investments are in or out of favor in the market. An investment’s ESG and/or diversity, equity and inclusion (“DEI”) performance, or Calvert’s assessment of such performance may change over time, which could cause the Fund to temporarily hold securities that do not comply with the Fund’s responsible investment criteria. In evaluating an investment, Calvert is dependent upon information and data that may be incomplete, inaccurate or unavailable, which could adversely affect the analysis of the ESG and/or DEI factors relevant to a particular investment.
 
Market and Geopolitical Risk. The value of your investment in the Fund is based on the values of the Fund’s investments, which change due to economic and other events that affect markets generally, as well as those that affect particular regions, countries, industries, companies or governments. These events may be sudden and unexpected, and could adversely affect the liquidity of the Fund’s investments, which may in turn impact valuation, the Fund’s ability to sell securities and/or its ability to meet redemptions. The risks associated with these developments may be magnified if certain social, political, economic and other conditions and events (such as war, natural disasters, epidemics and pandemics, terrorism, conflicts, social unrest, recessions, inflation, interest rate changes and supply chain disruptions) adversely interrupt the global economy and financial markets. It is difficult to predict when events affecting the  U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects (which may last for extended periods). These events may negatively impact broad segments of businesses and populations and have a significant and rapid negative impact on the performance of the Fund’s investments, adversely affect and increase the volatility of the Fund’s share price and exacerbate pre-existing risks to the Fund.
 
ETF Structure Risks.
 
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Calvert  |  Fund Summary 
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF (Con’t) 
 
 
Authorized Participant Concentration Risk. Only an authorized participant may engage in creation or redemption transactions directly with the Fund. The Fund has a limited number of intermediaries that act as authorized participants and none of these authorized participants is or will be obligated to engage in creation or redemption transactions. There can be no assurance that an active trading market for the Fund’s shares will develop or be maintained. To the extent that these intermediaries exit the business or are unable to or choose not to proceed with creation and/or redemption orders with respect to the Fund, such as during periods of market stress, and no other authorized participant creates or redeems, shares may trade at a discount to net asset value (“NAV”) and possibly face trading halts and/or delisting.
 
 
Trading Risk. The market prices of shares are expected to fluctuate, in some cases materially, in response to changes in the Fund’s NAV, the intra-day value of the Fund’s holdings, and supply and demand for shares. The Adviser cannot predict whether shares will trade above, below or at their NAV. Disruptions to creations and redemptions, the existence of significant market volatility or potential lack of an active trading market for the shares (including through a trading halt), as well as other factors, may result in the shares trading significantly above (at a premium) or below (at a discount) to NAV or to the intraday value of the Fund’s holdings. You may pay significantly more or receive significantly less than the Fund’s NAV per share during periods when there is a significant premium or discount. Buying or selling shares in the secondary market may require paying brokerage commissions or other charges imposed by brokers as determined by that broker. Brokerage commissions are often a fixed amount and may be a significant proportional cost when seeking to buy or sell relatively small amounts of shares. In addition, the market price of shares, like the price of any exchange-traded security, includes a “bid-ask spread” charged by the market makers or other participants that trade the particular security. The spread of the Fund’s shares varies over time based on the Fund’s trading volume and market liquidity and may increase if the Fund’s trading volume, the spread of the Fund’s underlying securities, or market liquidity decrease.
 
Shares of the Fund are not bank deposits and are not guaranteed or insured by the Federal Deposit Insurance Corporation or any other government agency.
Performance Information
As of the date hereof, the Fund has not yet completed a full calendar year of investment operations. Upon the completion of a full calendar year of investment operations by the Fund, this section will include charts that provide some indication of the risks of an investment in the Fund, by showing the difference in annual total returns, highest and lowest quarterly returns and average annual total returns (before and after taxes) compared to the Index and benchmark index selected for the Fund. Performance information for the Fund is available online at www.calvert.com or by calling toll-free 800-836-2414.
Fund Management
Adviser. Morgan Stanley Investment Management Inc.
The Adviser may, in its discretion, make a contribution from its own resources, annually after the end of each calendar year, to certain diversity, equity and inclusion initiatives in an amount of 0.02% of the net annualized assets under management of the Fund.


The recipients of the contribution may include one or more organizations that focus on diversity, equity and inclusion-related causes. The Adviser maintains the option to increase, decrease or terminate this contribution in amount and/or frequency in its sole discretion. The Adviser will disclose, on an annual basis, the amount of any contributions made and the recipients of such contributions on the Fund’s website. An employee of the Adviser may serve on the board of directors of, or hold another position with, an organization that receives such contributions from the Adviser.
Portfolio Managers. Information about the individuals jointly and primarily responsible for the day-to-day management of the Fund is shown below:
Name
Title with Adviser
Date Began
Managing Fund
Thomas C. Seto
Managing Director
January 2023
James Reber
Managing Director
January 2023
Matthew Maillet
Executive Director
January 2023
Purchase and Sale of Fund Shares
Individual shares of the Fund may only be purchased and sold in secondary market transactions through a broker or dealer at market price. Because shares trade at market prices, rather than NAV, shares of the Fund may trade at a price greater than NAV (i.e., a premium) or less than NAV (i.e., a discount).
You may incur costs attributable to the difference between the highest price a buyer is willing to pay for shares (bid) and the lowest price a seller is willing to accept for shares (ask) (the “bid-ask spread”) when buying or selling shares in the secondary market.
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Calvert  |  Fund Summary 
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF (Con’t) 
Recent information, including information about the Fund’s NAV, market price, premiums and discounts, and bid-ask spreads, is available on the Fund’s website at www.calvert.com.
Tax Information
The Fund intends to make dividends and distributions that may be taxed as ordinary income or capital gains, unless you are investing through a tax-deferred arrangement, such as a 401(k) plan or an individual retirement account.
Payments to Broker-Dealers and Other Financial Intermediaries
If you purchase shares of the Fund through a financial intermediary (such as a bank), the Adviser and/or Foreside Fund Services, LLC (the “Distributor”) may pay the financial intermediary for the sale of Fund shares and related services. These payments, which may be significant in amount, may create a conflict of interest by influencing the financial intermediary and your salesperson to recommend the Fund over another investment. Ask your salesperson or visit your financial intermediary’s web site for more information.
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Calvert  |  Fund Summary 
Calvert US Mid-Cap Core Responsible Index ETF 
Investment Objective
Calvert US Mid-Cap Core Responsible Index ETF (the “Fund”) seeks to track the performance of the Calvert US Mid-Cap Core Responsible Index (the “Index”).
Fees and Expenses
The table below describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Annual Fund Operating Expenses1  (expenses that you pay each year as a percentage of the value of your investment)
Management Fee1
0.15%
Other Expenses
0.00%
Total Annual Fund Operating Expenses
0.15%
1 The Fund’s management agreement provides that the Fund’s “Adviser,” Morgan Stanley Investment Management Inc., will pay substantially all expenses of the Fund (including expenses of Morgan Stanley ETF Trust (the “Trust”) relating to the Fund), except for the distribution fees, if any, brokerage expenses, acquired fund fees and expenses, taxes, interest, litigation expenses, and other extraordinary expenses, including the costs of proxies, not incurred in the ordinary course of the Fund’s business.
Example
The example below is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example does not take into account brokerage commissions that you pay when purchasing or selling shares of the Fund.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then sell all of your shares at the end of those periods. The example also assumes your investment has a 5% return each year and the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
 
1 Year
3 Years
5 Years
10 Years
 
$15
$48
$85
$192
Portfolio Turnover
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in Total Annual Fund Operating Expenses or in the example, affect the Fund’s performance. During the period from January 30, 2023 (commencement of operations) through September 30, 2023, the Fund’s portfolio turnover rate was 16% of the average value of its portfolio.  
Principal Investment Strategies
Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in securities included in the underlying index. This policy may be changed without shareholder approval; however, shareholders would be notified upon 60 days’ notice in writing of any changes.
The Fund employs a passive management strategy designed to track, as closely as possible, the performance of the Index. The Fund invests in the common stock of each company in the Index in approximately the same proportion as represented in the Index itself. The Fund may also lend its securities.
The Fund may concentrate its investments (i.e., invest 25% or more of its total assets) in a particular industry or group of industries if the Index is concentrated. The degree to which components of the Index represent certain industries may change over time.
The Index is composed of common stocks of mid-size companies that operate their businesses in a manner consistent with the Calvert Principles for Responsible Investment (the “Calvert Principles”) (a copy of which is included as an appendix to the Fund’s prospectus). Mid-size companies are the 1,000 largest publicly traded U.S. companies based on market capitalization, excluding real estate investment trusts, business development companies and approximately the 200 largest publicly traded U.S. companies. The Calvert Principles serve as a framework for considering environmental, social and governance (“ESG”) factors. Under this framework, Calvert seeks to identify companies and other issuers that provide positive leadership in the areas of their operations and overall activities that are material to improving long-term shareholder value and societal outcomes, including ESG areas such as: environmental sustainability and resource efficiency; equitable societies and respect for human rights; and accountable governance and transparency.
Stocks are weighted in the Index based on their float-adjusted market capitalization within the relevant sector, subject to certain prescribed limits. As of September 30, 2023, the Index included 625  companies (and typically is expected to be in the range between
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Calvert  |  Fund Summary 
Calvert US Mid-Cap Core Responsible Index ETF (Con’t) 
550 to 650 companies), and the market capitalization ranged from approximately $1.6 billion to $49.9 billion with a weighted average market capitalization of approximately $18.2 billion. Market capitalizations of companies within the Index are subject to change. The number of companies in the Index will change over time due to  Calvert’s evaluation of an issuer relative to the Calvert Principles or corporate actions involving companies in the Index, among other things. The Index is reconstituted annually and is rebalanced quarterly.
The Index is owned by Calvert, which is an affiliate of the Adviser.  Christopher Madden, CFA, Co-Head of Applied Responsible Investment Solutions, and Zi Ye, Index Manager,  manage the Index construction process at Calvert.
An index is a group of securities whose overall performance is used as a standard to measure investment performance. An index or passively managed fund tries to match, as closely as possible, the performance of an established target index. An index fund’s goal is to mirror the target index whether the index is going up or down. To track the Index as closely as possible, the Fund attempts to remain fully invested in stocks.
The Fund uses a replication method of indexing. The replication method involves holding every security in the Index in approximately the same proportion as the Index. Unlike the Index, however, the Fund is subject to certain regulatory requirements that can limit its ability to fully replicate the Index. Under various circumstances, it may not be possible or practicable to purchase or hold all of, or only, the constituent securities in their respective weightings in the Index. If Fund assets should ever decline to below $5 million, the Fund may use the sampling method. The sampling method involves selecting a representative number of securities that will resemble the Index in terms of key risk and other characteristics.
Principal Risks
There is no assurance that the Fund will achieve its investment objective, and you can lose money investing in this Fund. The principal risks of investing in the Fund include:
Tracking Error. Tracking error risk refers to the risk that the Fund’s performance may not match or correlate to that of the Index it attempts to track, either on a daily or aggregate basis. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, changes to the Index or the need to meet new or existing regulatory requirements. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and the Index, rounding of share prices, changes to the composition of the Index, regulatory policies, limitations on Fund investments imposed by Fund diversification and/or concentration policies, high portfolio turnover rate and the use of leverage all contribute to tracking error. Unlike the Fund, the returns of the Index are not reduced by investment and other operating expenses, including the trading costs associated with implementing changes to its portfolio of investments. Tracking error risk may cause the Fund’s performance to be less than expected. Tracking error risk may be heightened during times of market volatility, unusual market conditions or other abnormal circumstances. The Fund may be required to deviate its investments from the securities and relative weightings of the Index to comply with applicable laws and regulations or because of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates. If the Fund uses a sampling method of indexing, it may have a larger tracking error than if it used a replication method of indexing.
 
Index Related Risk. The Fund’s return may not track the return of the Index for a number of reasons and therefore may not achieve its investment objective. For example, the Fund incurs a number of operating expenses not applicable to the Index, and incurs costs in buying and selling securities, especially when rebalancing the Fund’s securities holdings to reflect changes in the composition of the Index. In addition, the Fund’s return may differ from the return of the Index because of, among other things, pricing differences and the inability to purchase certain securities included in the underlying index due to regulatory or other restrictions.
 
 
In addition, when the Fund uses a representative sampling approach, the Fund may not be as well correlated with the return of the underlying index as when the Fund purchases all of the securities in the Index in the proportions in which they are represented in the Index. Errors in the construction or calculation of the Index may occur from time to time. Any such errors may not be identified and corrected by the index provider for some period of time, which may have an adverse impact on the Fund and its shareholders. The risk that the Fund may not track the performance of the Index may be heightened during times of increased market volatility or other unusual market conditions.
Passive Investment. The Fund is managed using a passive investment strategy and expects to hold common stocks of each company in the Index regardless of their current or projected performance. The Fund generally will not adjust its portfolio investments to attempt to take advantage of market opportunities or lessen the impact of a market decline or a decline in the performance of one or more issuers or for other reasons. Maintaining investments regardless of market conditions or the performance of individual investments could cause the Fund’s return to be lower than if the Fund employed an active strategy. Unusual market events may increase market volatility and may cause the characteristics of the Index components to vary from those expected under normal circumstances.
 
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Calvert  |  Fund Summary 
Calvert US Mid-Cap Core Responsible Index ETF (Con’t) 
Concentration Risk. If the Index concentrates in the securities of issuers in one or more industries or groups of industries, the Fund may concentrate in such industries or groups of industries. By concentrating its investments in an industry or group of industries, the Fund may face greater risks than if it were diversified broadly over numerous industries or groups of industries.
 
Equity Securities. In general, prices of equity securities are more volatile than those of fixed-income securities. The prices of equity securities fluctuate, and sometimes widely fluctuate, in response to activities specific to the issuer of the security as well as factors unrelated to the fundamental condition of the issuer, including general market, economic and political conditions. During periods when equity securities experience heightened volatility, such as during periods of market, economic or financial uncertainty or distress, the Fund’s investments in equity securities may be subject to heightened risks.
 
 
The value of equity securities and related instruments may decline in response to adverse changes in the economy, the economic outlook or the financial markets; deterioration in investor sentiment; interest rate, currency, and commodity price fluctuations; adverse geopolitical, social or environmental developments; issuer- and sector-specific considerations; unexpected trading activity among retail investors; and other factors. Market conditions may affect certain types of stocks to a greater extent than other types of stocks. If the stock market declines, the value of Fund shares will also likely decline.
Mid Cap Companies. Investments in mid cap companies may involve greater risks than investments in larger, more established companies. The securities issued by mid cap companies may be less liquid and such companies may have more limited markets, financial resources and product lines and may lack the depth of management of larger companies.
 
Responsible Investing. Investing primarily in responsible investments carries the risk that, under certain market conditions, the Fund may underperform funds that do not utilize a responsible investment strategy. The application of responsible investment criteria may affect the Fund’s exposure to certain sectors or types of investments, and may impact the Fund’s relative investment performance depending on whether such sectors or investments are in or out of favor in the market. An investment’s ESG performance, or Calvert’s assessment of such performance may change over time, which could cause the Fund to temporarily hold securities that do not comply with the Fund’s responsible investment criteria. In evaluating an issuer, Calvert is dependent upon information and data that may be incomplete, inaccurate or unavailable, which could adversely affect the analysis of the ESG factors relevant to a particular investment.
 
Market and Geopolitical Risk. The value of your investment in the Fund is based on the values of the Fund’s investments, which change due to economic and other events that affect markets generally, as well as those that affect particular regions, countries, industries, companies or governments. These events may be sudden and unexpected, and could adversely affect the liquidity of the Fund’s investments, which may in turn impact valuation, the Fund’s ability to sell securities and/or its ability to meet redemptions. The risks associated with these developments may be magnified if certain social, political, economic and other conditions and events (such as war, natural disasters, epidemics and pandemics, terrorism, conflicts, social unrest, recessions, inflation, interest rate changes and supply chain disruptions) adversely interrupt the global economy and financial markets. It is difficult to predict when events affecting the  U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects (which may last for extended periods). These events may negatively impact broad segments of businesses and populations and have a significant and rapid negative impact on the performance of the Fund’s investments, adversely affect and increase the volatility of the Fund’s share price and exacerbate pre-existing risks to the Fund.
 
ETF Structure Risks.
 
 
Authorized Participant Concentration Risk. Only an authorized participant may engage in creation or redemption transactions directly with the Fund. The Fund has a limited number of intermediaries that act as authorized participants and none of these authorized participants is or will be obligated to engage in creation or redemption transactions. There can be no assurance that an active trading market for the Fund’s shares will develop or be maintained. To the extent that these intermediaries exit the business or are unable to or choose not to proceed with creation and/or redemption orders with respect to the Fund, such as during periods of market stress, and no other authorized participant creates or redeems, shares may trade at a discount to net asset value (“NAV”) and possibly face trading halts and/or delisting.
 
 
Trading Risk. The market prices of shares are expected to fluctuate, in some cases materially, in response to changes in the Fund’s NAV, the intra-day value of the Fund’s holdings, and supply and demand for shares. The Adviser cannot predict whether shares will trade above, below or at their NAV. Disruptions to creations and redemptions, the existence of significant market volatility or potential lack of an active trading market for the shares (including through a trading halt), as well as other factors, may result in the shares trading significantly above (at a premium) or below (at a discount) to NAV or to the intraday value of the Fund’s holdings. You may pay significantly more or receive significantly less than the Fund’s NAV per share during periods when there is a significant premium or discount. Buying or selling shares in the secondary market may require paying brokerage commissions or other charges imposed by brokers as determined by that broker. Brokerage commissions are often a fixed amount and may be a significant proportional cost when seeking to buy or sell relatively small amounts of shares. In addition, the market price of shares, like the price of any exchange-traded security, includes a “bid-ask spread” charged by the market makers or other participants that trade the particular security. The spread of the Fund’s shares varies over time based on the Fund’s trading volume and market
 
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Calvert  |  Fund Summary 
Calvert US Mid-Cap Core Responsible Index ETF (Con’t) 
 
 
liquidity and may increase if the Fund’s trading volume, the spread of the Fund’s underlying securities, or market liquidity decrease.
 
Shares of the Fund are not bank deposits and are not guaranteed or insured by the Federal Deposit Insurance Corporation or any other government agency.
Performance Information
As of the date hereof, the Fund has not yet completed a full calendar year of investment operations. Upon the completion of a full calendar year of investment operations by the Fund, this section will include charts that provide some indication of the risks of an investment in the Fund, by showing the difference in annual total returns, highest and lowest quarterly returns and average annual total returns (before and after taxes) compared to the Index and benchmark index selected for the Fund. Performance information for the Fund is available online at www.calvert.com or by calling toll-free 800-836-2414.
Fund Management
Adviser. Morgan Stanley Investment Management Inc.
Portfolio Managers. Information about the individuals jointly and primarily responsible for the day-to-day management of the Fund is shown below:
Name
Title with Adviser
Date Began
Managing Fund
Thomas C. Seto
Managing Director
January 2023
James Reber
Managing Director
January 2023
Matthew Maillet
Executive Director
January 2023
Purchase and Sale of Fund Shares
Individual shares of the Fund may only be purchased and sold in secondary market transactions through a broker or dealer at market price. Because shares trade at market prices, rather than NAV, shares of the Fund may trade at a price greater than NAV (i.e., a premium) or less than NAV (i.e., a discount).
You may incur costs attributable to the difference between the highest price a buyer is willing to pay for shares (bid) and the lowest price a seller is willing to accept for shares (ask) (the “bid-ask spread”) when buying or selling shares in the secondary market.
Recent information, including information about the Fund’s NAV, market price, premiums and discounts, and bid-ask spreads, is available on the Fund’s website at www.calvert.com.
Tax Information
The Fund intends to make dividends and distributions that may be taxed as ordinary income or capital gains, unless you are investing through a tax-deferred arrangement, such as a 401(k) plan or an individual retirement account.
Payments to Broker-Dealers and Other Financial Intermediaries
If you purchase shares of the Fund through a financial intermediary (such as a bank), the Adviser and/or Foreside Fund Services, LLC (the “Distributor”) may pay the financial intermediary for the sale of Fund shares and related services. These payments, which may be significant in amount, may create a conflict of interest by influencing the financial intermediary and your salesperson to recommend the Fund over another investment. Ask your salesperson or visit your financial intermediary’s web site for more information.
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Calvert  |  Details of the Funds 
Calvert International Responsible Index ETF 
Investment Objective
The Fund’s investment objective is to seek to track the performance of the Calvert International Responsible Index (the “Index”).
The Fund’s investment objective may be changed by the Trust’s Board of Trustees without shareholder approval, but no change is anticipated. If the Fund’s investment objective changes, the Fund will notify shareholders and shareholders should consider whether the Fund remains an appropriate investment in light of the change.
Approach
The Fund employs a passive management strategy designed to track, as closely as possible, the performance of the Index. The Fund invests in the common stock of a representative number of companies that resemble the Index. The Fund may also lend its securities.

The Fund may concentrate its investments (i.e., invest 25% or more of its total assets) in a particular industry or group of industries if the Index is concentrated. The degree to which components of the Index represent certain industries may change over time.
Process
Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in securities included in the underlying index. This policy may be changed without shareholder approval; however, shareholders would be notified upon 60 days’ notice in writing of any changes.
The Index is composed of common stocks of large companies in developed markets, excluding the  U.S., that operate their businesses in a manner consistent with the Calvert Principles. Large companies in developed markets include 1,000 large publicly traded companies, excluding real estate investments trusts and business development companies, in markets that Calvert, the Index provider, determines to be developed markets based on a set of criteria including level of economic development, existence of capital controls, openness to foreign direct investment, market trading and liquidity conditions, regulatory environment, treatment of minority shareholders, and investor expectations. When determining 1,000 large publicly traded companies, Calvert generally includes the 500 largest publicly traded companies located in or tied economically to Europe and the 500 largest publicly traded companies located in or tied economically to other non-U.S. and non-European developed markets. The Calvert Principles (a copy of which is included as an appendix to the Fund’s prospectus) serve as a framework for considering ESG factors. Under this framework, Calvert seeks to identify companies and other issuers that provide positive leadership in the areas of their operations and overall activities that are material to improving long-term shareholder value and societal outcomes, including ESG areas such as: environmental sustainability and resource efficiency; equitable societies and respect for human rights; and accountable governance and transparency.
Stocks are weighted in the Index based on their float-adjusted market capitalization, by country and by sector, subject to certain prescribed limits. As of September 30, 2023, the Index included 816 companies (and typically is expected to be in the range between 700 and 800 companies), and the market capitalization ranged from approximately $2.8 billion to $ 420.1 billion with a weighted average market capitalization of approximately $85.8 billion. Market capitalizations of companies within the Index are subject to change. The number of companies in the Index will change over time due to Calvert’s evaluation of an issuer relative to the Calvert Principles or corporate actions involving companies in the Index, among other things. The Index is reconstituted annually and is rebalanced quarterly.
The Index is owned by Calvert, which is an affiliate of the Adviser.  Christopher Madden, CFA, Co-Head of Applied Responsible Investment Solutions and Zi Ye, Index Manager manage the Index construction process at Calvert.
An index is a group of securities whose overall performance is used as a standard to measure investment performance. An index or passively managed fund tries to match, as closely as possible, the performance of an established target index. An index fund’s goal is to mirror the target index whether the index is going up or down. To track the Index as closely as possible, the Fund attempts to remain fully invested in stocks. The Fund may enter into foreign currency transactions, including foreign currency forward exchange contracts, in the course of purchasing and selling foreign currency denominated securities in order to track, as closely as possible, the performance of the Index.
The Fund uses a sampling method of indexing. The sampling method involves selecting a representative number of securities that will resemble the Index in terms of key risk and other characteristics. The securities selected are expected to have, in the aggregate, investment characteristics (based on factors such as market value and industry weightings), fundamental characteristics (such as return variability and yield) and liquidity measures similar to those of the Index. The Fund may or may not hold all of the securities in the Index or hold securities in the same proportions as represented in the Index.
The Calvert Principles provide a framework for Calvert’s evaluation of investments and guide Calvert’s stewardship on behalf of clients through active engagement with issuers. For example, Calvert may seek to engage directly with company management to gain insights on sustainability alignment and material ESG criteria that may affect long-term financial performance. Although Calvert may reference third-party ESG data during its research process, it generally does not rely on third-party ESG data for the purposes of constructing the Index. Calvert also does not use screens in connection with constructing the Index. Instead, Calvert relies on its own
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Calvert  |  Details of the Funds 
Calvert International Responsible Index ETF (Con’t) 
proprietary analysis described further below to determine whether a company operates its business in a manner consistent with the Calvert Principles.
The Calvert ESG research process focuses on identifying the financially material ESG risks to which companies and other issuers (together, “issuers”) are exposed, evaluating management teams’ ability to navigate those risks, and recognizing opportunities for companies to improve their ESG performance. Calvert reviews data points to differentiate issuers based on such risks. Then, Calvert quantifies these risks using a proprietary scoring model that rates and ranks issuers within their peer groups. The end result is a customized scoring model that rates and ranks companies, including a proprietary assessment relative to both peer and absolute performance. In some cases, and at its discretion, Calvert performs a qualitative review in lieu of scoring a particular issuer.
The Fund seeks to track the performance of the Index and seeks to hold a representative sample of Index component companies so that it will resemble the Index in terms of key risk and other characteristics, subject to certain regulatory requirements. Thus, the Fund does not perform diligence on companies held in its portfolio and does not have its own ESG criteria. The Index’s rules and methodology (available on the Calvert website) describes the relevant eligibility criteria and selection methodology for Index components, which include, as described above, that each Index component must operate its business in a manner consistent with the Calvert Principles, among other factors, such as market capitalization and liquidity thresholds.
Related Performance Information of Composite and Index
The Fund has recently commenced operations and no performance history is included in this prospectus. An affiliate of the Adviser, Calvert, manages a composite (the “Composite”) that consists solely of a mutual fund managed by one of the portfolio managers that has a substantially similar investment objective, policies and investment strategies as the Fund (the “Composite Fund”) and the table below provides supplemental performance information for the Composite and the Index. The performance of the Composite is net of fees and expenses (with certain exceptions), which, depending on the account may be lower or higher than those charged to the Fund. The Composite reflects transaction costs, but does not reflect (i) custody fees, Rule 12b-1 fees or other expenses normally paid by mutual funds that are unrelated to the investment management services provided by an adviser or (ii) a deduction of any applicable sales load(s) of the Composite Fund. Since fees, commissions and taxes may differ for the Composite and the Fund, performance data for identical periods may differ. If these fees and expenses were included, returns would be lower. The Composite and Index’s performance information does not represent the performance of the Fund. It is provided to illustrate the past performance of an account advised by an affiliate of the Adviser and past performance of the Index. The portfolio manager for the Composite Fund is one of the portfolio managers listed for the Fund. This individual has sole responsibility for managing the Composite Fund and has ultimate decision-making authority for both the Composite Fund and the Fund. The Composite Fund’s investment objective is to track the performance of same Index as the Fund.
The Composite and Index’s historical performance data should not be considered a substitute for the Fund’s performance and should not be considered an indication of the Fund’s future performance. You should not assume that the Fund will have the same performance as the Composite or the Index. An investment in the Fund can lose value. Although the Fund and the Composite Fund have a substantially similar investment objective, policies and investment strategies, differences in asset size and cash flows, among other things, may result in differences in security selection, relative weightings or differences in the price paid for certain securities. As such, the investments held by the Fund may not be identical to the investments held by the Composite Fund and the future performance of the Fund will differ from the performance of the Composite.
Performance of the Composite and Index
Average Annual Total Returns
For Periods Ended December 31, 2023
 
 
 
 
1 Year
3 Year
5 Year
Since Inception1
Composite
20.16%
3.09%
9.55%
6.59%
Calvert International Responsible Index2
20.34%
3.05%
9.58%
6.49%
MSCI World ex USA Index3
17.94%
4.42%
8.45%
5.84%
1 The inception date of the Composite Fund is November 1, 2015.
2 The Calvert International Responsible Index is composed of companies that operate their businesses in a manner that is consistent with the Calvert Principles and are selected from the universe of the 1,000 largest companies in international developed markets. It is not possible to invest directly in an index.
3 MSCI World ex USA Index is an unmanaged index of equity securities in the developed markets, excluding the United States. MSCI indexes are net of foreign withholding taxes. MSCI World ex USA Index is a free float adjusted market capitalization weighted index that is designed to measure the global equity market performance of developed markets excluding the United States. The term “free float” represents the portion of shares outstanding that are deemed to be available for purchase in the public equity markets by investors. The performance of the index is listed in U.S. dollars and assumes reinvestment of net dividends. It is not possible to invest directly in an index.
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Calvert  |  Details of the Funds 
Calvert US Large-Cap Core Responsible Index ETF 
Investment Objective
The Fund’s investment objective is to seek to track the performance of the Calvert US Large-Cap Core Responsible Index (the “Index”).
The Fund’s investment objective may be changed by the Trust’s Board of Trustees without shareholder approval, but no change is anticipated. If the Fund’s investment objective changes, the Fund will notify shareholders and shareholders should consider whether the Fund remains an appropriate investment in light of the change.
Approach
The Fund employs a passive management strategy designed to track, as closely as possible, the performance of the Index. The Fund invests in the common stock of each company in the Index in approximately the same proportion as represented in the Index itself. The Fund may also lend its securities.
The Fund may concentrate its investments (i.e., invest 25% or more of its total assets) in a particular industry or group of industries if the Index is concentrated. The degree to which components of the Index represent certain industries may change over time. As of September 30, 2023, the Index is concentrated in, and therefore the Fund is expected to have significant exposure to, the information technology sector.
Process
Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in securities included in the underlying index. This policy may be changed without shareholder approval; however, shareholders would be notified upon 60 days’ notice in writing of any changes.
The Index is composed of common stocks of large companies that operate their businesses in a manner consistent with the  Calvert (a copy of which is included as an appendix to the Fund’s prospectus). Large companies are the 1,000 largest publicly traded U.S. companies based on market capitalization, excluding real estate investment trusts and business development companies. The Calvert Principles serve as a framework for considering ESG factors. Under this framework, Calvert seeks to identify companies and other issuers that provide positive leadership in the areas of their operations and overall activities that are material to improving long-term shareholder value and societal outcomes, including ESG areas such as: environmental sustainability and resource efficiency; equitable societies and respect for human rights; and accountable governance and transparency.
Stocks are weighted in the Index based on their float-adjusted market capitalization within the relevant sector, subject to certain prescribed limits. As of September 30, 2023, the Index included 782 companies (and typically is expected to be in the range between 700 and 800 companies), and the market capitalization ranged from approximately $1.6 billion to $2.7 trillion with a weighted average market capitalization of approximately $575.6 billion. Market capitalizations of companies within the Index are subject to change. The number of companies in the Index will change over time due to Calvert’s evaluation of an issuer relative to the Calvert Principles or corporate actions involving companies in the Index, among other things. The Index is reconstituted annually and is rebalanced quarterly.
The Index is owned by Calvert, which is an affiliate of the Adviser.  Christopher Madden, CFA, Co-Head of Applied Responsible Investment Solutions, and Zi Ye, Index Manager, manage the Index construction process at Calvert.
An index is a group of securities whose overall performance is used as a standard to measure investment performance. An index or passively managed fund tries to match, as closely as possible, the performance of an established target index. An index fund’s goal is to mirror the target index whether the index is going up or down. To track the Index as closely as possible, the Fund attempts to remain fully invested in stocks.
The Fund uses a replication method of indexing. The replication method involves holding every security in the Index in approximately the same proportion as the Index. Unlike the Index, however, the Fund is subject to certain regulatory requirements that can limit its ability to fully replicate the Index. Under various circumstances, it may not be possible or practicable to purchase or hold all of, or only, the constituent securities in their respective weightings in the Index. If Fund assets should ever decline to below $5 million, the Fund may use the sampling method. The sampling method involves selecting a representative number of securities that will resemble the Index in terms of key risk and other characteristics.
The Calvert Principles provide a framework for Calvert’s evaluation of investments and guide Calvert’s stewardship on behalf of clients through active engagement with issuers. For example, Calvert may seek to engage directly with company management to gain insights on sustainability alignment and material ESG criteria that may affect long-term financial performance. Although Calvert may reference third-party ESG data during its research process, it generally does not rely on third-party ESG data for the purposes of constructing the Index. Calvert also does not use screens in connection with constructing the Index. Instead, Calvert relies on its own proprietary analysis described further below to determine whether a company operates its business in a manner consistent with the Calvert Principles.
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Calvert  |  Details of the Funds 
Calvert US Large-Cap Core Responsible Index ETF (Con’t) 
The Calvert ESG research process focuses on identifying the financially material ESG risks to which companies and other issuers (together, “issuers”) are exposed, evaluating management teams’ ability to navigate those risks, and recognizing opportunities for companies to improve their ESG performance. Calvert reviews data points to differentiate issuers based on such risks. Then, Calvert quantifies these risks using a proprietary scoring model that rates and ranks issuers within their peer groups. The end result is a customized scoring model that rates and ranks companies, including a proprietary assessment relative to both peer and absolute performance. In some cases and at its discretion, Calvert performs a qualitative review in lieu of scoring a particular issuer.
The Fund seeks to replicate the performance of the Index and seeks to hold Index component companies in approximately the same proportion as the Index, subject to certain regulatory requirements. Thus, the Fund does not perform diligence on companies held in its portfolio and does not have its own ESG criteria. The Index’s rules and methodology (available on the Calvert website) describes the relevant eligibility criteria and selection methodology for Index components, which include, as described above, that each Index component must operate its business in a manner consistent with the Calvert Principles, among other factors, such as market capitalization and liquidity thresholds.
Related Performance Information of Composite and Index
The Fund has recently commenced operations and no performance history is included in this prospectus. An affiliate of the Adviser, Calvert, manages a composite (the “Composite”) that consists solely of a mutual fund managed by one of the portfolio managers that has a substantially similar investment objective, policies and investment strategies as the Fund (the “Composite Fund”) and the table below provides supplemental performance information for the Composite and the Index. The performance of the Composite is net of fees and expenses (with certain exceptions), which, depending on the account may be lower or higher than those charged to the Fund. The Composite reflects transaction costs, but does not reflect (i) custody fees, Rule 12b-1 fees or other expenses normally paid by mutual funds that are unrelated to the investment management services provided by an adviser or (ii) a deduction of any applicable sales load(s) of the Composite Fund. Since fees, commissions and taxes may differ for the Composite and the Fund, performance data for identical periods may differ. If these fees and expenses were included, returns would be lower. The Composite and Index’s performance information does not represent the performance of the Fund. It is provided to illustrate the past performance of an account advised by an affiliate of the Adviser and past performance of the Index. The portfolio manager for the Composite Fund is one of the portfolio managers listed for the Fund. This individual has sole responsibility for managing the Composite Fund and has ultimate decision-making authority for both the Composite Fund and the Fund. The Composite Fund’s investment objective is to track the performance of same Index as the Fund.
The Composite and Index’s historical performance data should not be considered a substitute for the Fund’s performance and should not be considered an indication of the Fund’s future performance. You should not assume that the Fund will have the same performance as the Composite or the Index. An investment in the Fund can lose value. Although the Fund and the Composite Fund have a substantially similar investment objective, policies and investment strategies, differences in asset size and cash flows, among other things, may result in differences in security selection, relative weightings or differences in the price paid for certain securities. As such, the investments held by the Fund may not be identical to the investments held by the Composite Fund and the future performance of the Fund will differ from the performance of the Composite.
Performance of the Composite and Index
Average Annual Total Returns
For Periods Ended December 31, 2023
 
1 Year
3 Year
5 Year
10 Year
Since Inception1
Composite
27.36%
7.89%
16.08%
12.17%
6.68%
Calvert US Large-Cap Core Responsible Index2
27.63%
8.05%
16.32%
12.38%
6.96%
Russell 1000® Index3
26.53%
8.97%
15.52%
11.80%
7.37%
1 The inception date of the Composite Fund is October 1, 2000.
2 The Calvert US Large-Cap Core Responsible Index is composed of companies that operate their businesses in a manner that is consistent with the Calvert Principles and are selected from the universe of the 1,000 largest US-based companies by market capitalization. It is not possible to invest directly in an index.
3 Russell 1000® Index is an unmanaged index of U.S. large-cap stocks. The Russell 1000® Index measures the performance of the large-cap segment of the US equity universe. It is a subset of the Russell 3000® Index and includes approximately 1,000 of the largest securities based on a combination of their market cap and current index membership. It is not possible to invest directly in an index.
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Calvert  |  Details of the Funds 
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF 
Investment Objective
The Fund’s investment objective is to seek to track the performance of the Calvert US Large-Cap Diversity Research Index (the “Index”).
The Fund’s investment objective may be changed by the Trust’s Board of Trustees without shareholder approval, but no change is anticipated. If the Fund’s investment objective changes, the Fund will notify shareholders and shareholders should consider whether the Fund remains an appropriate investment in light of the change.
Approach
The Fund employs a passive management strategy designed to track, as closely as possible, the performance of the Index. The Fund invests in the common stock of each company in the Index in approximately the same proportion as represented in the Index itself. The Fund may also lend its securities.
The Fund may concentrate its investments (i.e., invest 25% or more of its total assets) in a particular industry or group of industries if the Index is concentrated. The degree to which components of the Index represent certain industries may change over time. As of September 30, 2023, the Index is concentrated in, and therefore the Fund is expected to have significant exposure to, the information technology sector.
Process
Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in securities included in the underlying index. This policy may be changed without shareholder approval; however, shareholders would be notified upon 60 days’ notice in writing of any changes.
The Index is composed of common stocks of large companies that operate their businesses in a manner consistent with the Calvert Principles (a copy of which is included as an appendix to the Fund’s prospectus) and are selected from the universe of the 1,000 largest publicly traded U.S. companies based on market capitalization, excluding real estate investment trusts and business development companies. As described in the Index rules and methodology (available on the Calvert website), and as determined by Calvert, Index components must meet certain criteria relating to leadership in having a diverse workforce and an equal and inclusive work culture, or demonstrate significant improvement in diversity practices.
Such diversity practices include: a gender-balanced workforce among its board members, executives, senior and middle management, and employees; with respect to companies based in certain countries, including the U.S., United Kingdom, Australia, Canada and South Africa, ethnically diverse board members and, where available, executives and management relative to demographics in these countries; diversity of board members on age, cultural background, and skill sets; policies and procedures that adequately support equal opportunity in hiring, equal pay and fair promotion among diversity groups; policies and programs that focus on living wages, health and safety, career development, parental leave, flexible work locations and schedules, child care availability, and inclusion of people with disabilities, people who are HIV positive, as well as people who self-identify as LGBTQ+.
The Calvert Principles serve as a framework for considering ESG  factors. Under this framework, Calvert seeks to identify companies and other issuers that provide positive leadership in the areas of their operations and overall activities that are material to improving long-term shareholder value and societal outcomes, including ESG areas such as: environmental sustainability and resource efficiency; equitable societies and respect for human rights; and accountable governance and transparency.
Stocks are weighted in the Index based on their float-adjusted market capitalization. As of September 30, 2023, the Index included 355 companies (and typically is expected to be in the range between 400 and 600 companies), and the market capitalization ranged from approximately $2.2 billion to $2.7 trillion with a weighted average market capitalization of approximately $808.5 billion. Market capitalizations of companies within the Index are subject to change. The number of companies in the Index will change over time due to Calvert’s evaluation of an issuer relative to the Calvert Principles or corporate actions involving companies in the Index, among other things. The Index is reconstituted annually and is rebalanced quarterly.
The Index is owned by Calvert, which is an affiliate of the Adviser.  Christopher Madden, CFA, Co-Head of Applied Responsible Investment Solutions,  Yijia Chen, CFA, ESG Quantitative Research Analyst and Index Manager, and Zi Ye, Index Manager, manage the Index construction process at Calvert.
An index is a group of securities whose overall performance is used as a standard to measure investment performance. An index or passively managed fund tries to match, as closely as possible, the performance of an established target index. An index fund’s goal is to mirror the target index whether the index is going up or down. To track the Index as closely as possible, the Fund attempts to remain fully invested in stocks.
The Fund uses a replication method of indexing. The replication method involves holding every security in the Index in approximately the same proportion as the Index. Unlike the Index, however, the Fund is subject to certain regulatory requirements that can limit its ability to fully replicate the Index. Under various circumstances, it may not be possible or practicable to purchase or
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Calvert  |  Details of the Funds 
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF (Con’t) 
hold all of, or only, the constituent securities in their respective weightings in the Index. If Fund assets should ever decline to below $5 million, the Fund may use the sampling method. The sampling method involves selecting a representative number of securities that will resemble the Index in terms of key risk and other characteristics.
The Calvert Principles provide a framework for Calvert’s evaluation of investments and guide Calvert’s stewardship on behalf of clients through active engagement with issuers. For example, Calvert may seek to engage directly with company management to gain insights on sustainability alignment and material ESG criteria that may affect long-term financial performance. Although Calvert may reference third-party ESG data during its research process, it generally does not rely on third-party ESG data for the purposes of constructing the Index. Calvert also does not use screens in connection with constructing the Index. Instead, Calvert relies on its own proprietary analysis described further below to determine whether a company operates its business in a manner consistent with the Calvert Principles.
The Calvert ESG research process focuses on identifying the financially material ESG risks to which companies and other issuers (together, “issuers”) are exposed, evaluating management teams’ ability to navigate those risks, and recognizing opportunities for companies to improve their ESG performance. Calvert reviews data points to differentiate issuers based on such risks. Then, Calvert quantifies these risks using a proprietary scoring model that rates and ranks issuers within their peer groups. The end result is a customized scoring model that rates and ranks companies, including a proprietary assessment relative to both peer and absolute performance. In some cases and at its discretion, Calvert performs a qualitative review in lieu of scoring a particular issuer.
The Fund seeks to replicate the performance of the Index and seeks to hold Index component companies in approximately the same proportion as the Index, subject to certain regulatory requirements. Thus, the Fund does not perform diligence on companies held in its portfolio and does not have its own ESG criteria. The Index’s rules and methodology (available on the Calvert website) describes the relevant eligibility criteria and selection methodology for Index components, which include, as described above, that each Index component must operate its business in a manner consistent with the Calvert Principles, among other factors, such as market capitalization and liquidity thresholds.
Performance of the Index
The Fund has recently commenced operations and no performance history is included in this prospectus. The table below provides supplemental performance information for the Index. The Fund’s investment objective is to seek to track the performance of the Index. The Index performance information does not represent the performance of the Fund. It is provided to illustrate the past performance of the Index.
The historical performance data for the Index should not be considered a substitute for the Fund’s performance and should not be considered an indication of the Fund’s future performance. You should not assume that the Fund will have the same performance as the Index. An investment in the Fund can lose value. Although the Fund’s investment objective is to seek to track the performance of the Index, there is no assurance that the Fund will achieve its investment objective. As such, the Fund’s performance may not track that of the Index and the future performance of the Fund will differ from the performance of the Index.
Performance of the Index
Average Annual Total Returns
For Periods Ended December 31, 2023
 
 
1 Year
Since Inception1
Calvert US Large-Cap Diversity Research Index2
31.04%
14.97%
1 The inception date of the Calvert US Large-Cap Diversity Research Index is June 19, 2020.
2 The Calvert US Large-Cap Diversity Research Index is composed of companies that operate their businesses in a manner that is consistent with the Calvert Principles and are selected from the universe of the 1,000 largest publicly traded US companies by market capitalization. As described in the Index Methodology and as determined by Calvert, Index components must meet certain criteria relating to leadership in having a diverse workforce and an equal and inclusive work culture, or demonstrate significant improvement in diversity practices. It is not possible to invest directly in an index.
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Calvert  |  Details of the Funds 
Calvert US Mid-Cap Core Responsible Index ETF 
Investment Objective
The Fund’s investment objective is to seek to track the performance of the Calvert US Mid-Cap Core Responsible Index (the “Index”).
The Fund’s investment objective may be changed by the Trust’s Board of Trustees without shareholder approval, but no change is anticipated. If the Fund’s investment objective changes, the Fund will notify shareholders and shareholders should consider whether the Fund remains an appropriate investment in light of the change.
Approach
The Fund employs a passive management strategy designed to track, as closely as possible, the performance of the Index. The Fund invests in the common stock of each company in the Index in approximately the same proportion as represented in the Index itself. The Fund may also lend its securities.
The Fund may concentrate its investments (i.e., invest 25% or more of its total assets) in a particular industry or group of industries if the Index is concentrated. The degree to which components of the Index represent certain industries may change over time.
Process
Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in securities included in the underlying index. This policy may be changed without shareholder approval; however, shareholders would be notified upon 60 days’ notice in writing of any changes.
The Index is composed of common stocks of mid-size companies that operate their businesses in a manner consistent with The Calvert Principles (a copy of which is included as an appendix to the Fund’s prospectus). Mid-size companies are the 1,000 largest publicly traded U.S. companies based on market capitalization, excluding real estate investment trusts, business development companies and approximately the 200 largest publicly traded U.S. companies. The Calvert Principles serve as a framework for considering ESG factors. Under this framework, Calvert seeks to identify companies and other issuers that provide positive leadership in the areas of their operations and overall activities that are material to improving long-term shareholder value and societal outcomes, including ESG areas such as: environmental sustainability and resource efficiency; equitable societies and respect for human rights; and accountable governance and transparency.
Stocks are weighted in the Index based on their float-adjusted market capitalization within the relevant sector, subject to certain prescribed limits. As of September 30, 2023, the Index included 625 companies (and typically is expected to be in the range between 550 to 650 companies), and the market capitalization ranged from approximately $1.6 billion to $49.9 billion with a weighted average market capitalization of approximately $18.2 billion. Market capitalizations of companies within the Index are subject to change. The number of companies in the Index will change over time due to Calvert’s evaluation of an issuer relative to the Calvert Principles or corporate actions involving companies in the Index, among other things. The Index is reconstituted annually and is rebalanced quarterly.
The Index is owned by Calvert, which is an affiliate of the Adviser.  Christopher Madden, CFA, Co-Head of Applied Responsible Investment Solutions, and  Zi Ye, Index Manager, manage the Index construction process at Calvert.
An index is a group of securities whose overall performance is used as a standard to measure investment performance. An index or passively managed fund tries to match, as closely as possible, the performance of an established target index. An index fund’s goal is to mirror the target index whether the index is going up or down. To track the Index as closely as possible, the Fund attempts to remain fully invested in stocks.
The Fund uses a replication method of indexing. The replication method involves holding every security in the Index in approximately the same proportion as the Index. Unlike the Index, however, the Fund is subject to certain regulatory requirements that can limit its ability to fully replicate the Index. Under various circumstances, it may not be possible or practicable to purchase or hold all of, or only, the constituent securities in their respective weightings in the Index. If Fund assets should ever decline to below $5 million, the Fund may use the sampling method. The sampling method involves selecting a representative number of securities that will resemble the Index in terms of key risk and other characteristics.
The Calvert Principles provide a framework for Calvert’s evaluation of investments and guide Calvert’s stewardship on behalf of clients through active engagement with issuers. For example, Calvert may seek to engage directly with company management to gain insights on sustainability alignment and material ESG criteria that may affect long-term financial performance. Although Calvert may reference third-party ESG data during its research process, it generally does not rely on third-party ESG data for the purposes of constructing the Index. Calvert also does not use screens in connection with constructing the Index. Instead, Calvert relies on its own proprietary analysis described further below to determine whether a company operates its business in a manner consistent with the Calvert Principles.
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Calvert  |  Details of the Funds 
Calvert US Mid-Cap Core Responsible Index ETF (Con’t) 
The Calvert ESG research process focuses on identifying the financially material ESG risks to which companies and other issuers (together, “issuers”) are exposed, evaluating management teams’ ability to navigate those risks, and recognizing opportunities for companies to improve their ESG performance. Calvert reviews data points to differentiate issuers based on such risks. Then, Calvert quantifies these risks using a proprietary scoring model that rates and ranks issuers within their peer groups. The end result is a customized scoring model that rates and ranks companies, including a proprietary assessment relative to both peer and absolute performance. In some cases and at its discretion, Calvert performs a qualitative review in lieu of scoring a particular issuer.
The Fund seeks to replicate the performance of the Index and seeks to hold Index component companies in approximately the same proportion as the Index, subject to certain regulatory requirements. Thus, the Fund does not perform diligence on companies held in its portfolio and does not have its own ESG criteria. The Index’s rules and methodology (available on the Calvert website) describes the relevant eligibility criteria and selection methodology for Index components, which include, as described above, that each Index component must operate its business in a manner consistent with the Calvert Principles, among other factors, such as market capitalization and liquidity thresholds.
Related Performance Information of Composite and Index
The Fund has recently commenced operations and no performance history is included in this prospectus. An affiliate of the Adviser, Calvert, manages a composite (the “Composite”) that consists solely of a mutual fund managed by one of the portfolio managers that has a substantially similar investment objective, policies and investment strategies as the Fund (the “Composite Fund”) and the table below provides supplemental performance information for the Composite and the Index. The performance of the Composite is net of fees and expenses (with certain exceptions), which, depending on the account may be lower or higher than those charged to the Fund. The Composite reflects transaction costs, but does not reflect (i) custody fees, Rule 12b-1 fees or other expenses normally paid by mutual funds that are unrelated to the investment management services provided by an adviser or (ii) a deduction of any applicable sales load(s) of the Composite Fund. Since fees, commissions and taxes may differ for the Composite and the Fund, performance data for identical periods may differ. If these fees and expenses were included, returns would be lower. The Composite and Index’s performance information does not represent the performance of the Fund. It is provided to illustrate the past performance of an account advised by an affiliate of the Adviser and past performance of the Index. The portfolio manager for the Composite Fund is one of the portfolio managers listed for the Fund. This individual has sole responsibility for managing the Composite Fund and has ultimate decision-making authority for both the Composite Fund and the Fund. The Composite Fund’s investment objective is to track the performance of same Index as the Fund.
The Composite and Index’s historical performance data should not be considered a substitute for the Fund’s performance and should not be considered an indication of the Fund’s future performance. You should not assume that the Fund will have the same performance as the Composite or the Index. An investment in the Fund can lose value. Although the Fund and the Composite Fund have a substantially similar investment objective, policies and investment strategies, differences in asset size and cash flows, among other things, may result in differences in security selection, relative weightings or differences in the price paid for certain securities. As such, the investments held by the Fund may not be identical to the investments held by the Composite Fund and the future performance of the Fund will differ from the performance of the Composite.
Performance of the Composite and Index
Average Annual Total Returns
For Periods Ended December 31, 2023
 
 
 
 
1 Year
3 Year
5 Year
Since Inception1
Composite
15.37%
4.27%
13.05%
10.37%
Calvert US Mid-Cap Core Responsible Index2
15.41%
4.35%
13.13%
10.55%
Russell Midcap®  Index3
17.23%
5.92%
12.68%
9.97%
1 The inception date of the Composite Fund is November 1, 2015.
2 The Calvert US Mid-Cap Core Responsible Index is composed of companies that operate their businesses in a manner that is consistent with the Calvert Principles and are selected from a universe of the 200th to 1,000th largest US companies by market capitalization. It is not possible to invest directly in an index.
3 Russell Midcap® Index is an unmanaged index of U.S. mid-cap stocks. The Russell Midcap® Index measures the performance of the mid-cap segment of the US equity universe. The Russell Midcap Index is a subset of the Russell 1000® Index. It includes approximately 800 of the smallest securities based on a combination of their market cap and current index membership. It is not possible to invest directly in an index.
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks 
This section discusses additional information relating to Fund investment strategies, other types of investments that the Fund may make and related risk factors. Fund investment practices and limitations are also described in more detail in the Statement of Additional Information (“SAI”), which is incorporated by reference and legally is a part of this Prospectus. For details on how to obtain a copy of the SAI and other reports and information, see the back cover of this Prospectus. “Fund” as used herein and under “Additional Information About Fund Investment Strategies and Related Risks” refers to each Fund listed on the cover page of this Prospectus (unless otherwise noted).
Economies and financial markets worldwide have recently experienced periods of increased volatility, uncertainty, distress, government spending, inflation and disruption to consumer demand, economic output and supply chains. To the extent these conditions continue, the risks associated with an investment in the Fund, including those described below, could be heightened and the Fund’s investments (and thus a shareholder’s investment in the Fund) may be particularly susceptible to sudden and substantial losses, reduced yield or income or other adverse developments. The occurrence, duration and extent of these or other types of adverse economic and market conditions and uncertainty over the long term cannot be reasonably projected or estimated at this time.
The name, investment objective and policies of the Funds are similar to other funds advised by the Adviser or its affiliates. However, the investment results of the Fund may be higher or lower than, and there is no guarantee that the investment results of the Fund will be comparable to, any such other funds for any period of time.  The Fund may be more significantly affected by purchases and redemptions of its Creation Units (as defined below) than a fund with relatively greater assets under management would be affected by purchases and redemptions of its shares. As compared to a larger fund, the Fund is more likely to sell a comparatively large portion of its portfolio to meet significant Creation Unit redemptions or invest a comparatively large amount of cash to facilitate Creation Unit purchases, in each case when the Fund otherwise would not seek to do so. Such transactions may cause the Fund to make investment decisions at inopportune times or prices or miss attractive investment opportunities. Such transactions may also accelerate the realization of taxable income if sales of securities resulted in gains and the Fund redeems Creation Units for cash, or otherwise cause a fund to perform differently than intended. While such risks may apply to funds of any size, such risks are heightened in funds with fewer assets under management.  
Depositary Receipts
A depositary receipt is generally issued by a bank or financial institution and represents the common stock or other equity securities of a foreign company. Depositary receipts involve many of the same risks as those associated with direct investment in foreign securities. In addition, the underlying issuers of certain depositary receipts, particularly unsponsored or unregistered depositary receipts, are under no obligation to distribute shareholder communications to the holders of such receipts, or to pass through to them any voting rights with respect to the deposited securities.
Equity Securities
Equity securities may include common and preferred stocks, convertible securities and equity-linked securities, rights and warrants to purchase common stocks, depositary receipts, shares of investment companies, limited partnership interests and other specialty securities having equity features. The Fund  may invest in equity securities that are publicly traded on securities exchanges or over-the-counter (“OTC”) or in equity securities that are not publicly traded. Securities that are not publicly traded may be more difficult to value or sell and their value may fluctuate more dramatically than other securities. The prices of convertible securities are affected by changes similar to those of equity and fixed-income securities.
The value of equity securities and related instruments may decline in response to adverse changes in the economy or the economic outlook; deterioration in investor sentiment; interest rate, currency, and commodity price fluctuations; adverse geopolitical, social or environmental developments; issuer- and sector-specific considerations; unexpected trading activity among retail investors; and other factors. Market conditions may affect certain types of stocks to a greater extent than other types of stocks. If the stock market declines, the value of Fund shares will also likely decline. Although stock prices can rebound, there is no assurance that values will return to previous levels.
During periods when equity securities experience heightened volatility, such as during periods of market, economic or financial uncertainty or distress, the Fund’s investments in equity securities may be subject to heightened risks.
Mid Cap Companies Risk
Investments in mid cap companies may involve greater risks than investments in larger, more established companies. The securities issued by mid cap companies may be less liquid and such companies may have more limited markets, financial resources and product lines and may lack the depth of management of larger companies.
Market and Geopolitical Risk
The value of your investment in the Fund is based on the values of the Fund’s investments, which may change due to economic and other events that affect markets generally, as well as those that affect particular regions, countries, industries, companies or
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks (Con’t) 
governments. Price movements, sometimes called volatility, may be greater or less depending on the types of securities the Fund owns and the markets in which the securities trade. Volatility and disruption in financial markets and economies may be sudden and unexpected, expose the Fund to greater risk, including risks associated with reduced market liquidity and fair valuation, and adversely affect the Fund’s operations. For example, the Adviser potentially will be prevented from executing investment decisions at an advantageous time or price as a result of any domestic or global market disruptions and reduced market liquidity may impact the Fund’s ability to sell securities to meet redemptions.
The increasing interconnectivity between global economies and markets increases the likelihood that events or conditions in one region, sector, industry, market or with respect to one company may adversely impact other companies and issuers in a different country, region, sector, industry, or market. For example, adverse developments in the banking or financial services sector could impact companies operating in various sectors or industries and adversely impact the Fund’s investments. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters and extreme weather events, health emergencies (such as epidemics and pandemics), terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events, such as terrorist attacks around the world, natural disasters, health emergencies, social and political (including geopolitical) discord and tensions or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. Inflation rates may change frequently and significantly because of various factors, including unexpected shifts in the domestic or global economy and changes in monetary or economic policies (or expectations that these policies may change). Changes in inflation rates may adversely affect market and economic conditions, the Fund’s investments and an investment in the Fund.  Other financial, economic and other global market and social developments or disruptions may result in similar adverse circumstances, and it is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects (which may last for extended periods). In general, the securities or other instruments that the Adviser believes represent an attractive investment opportunity or in which the Fund seeks to invest may be unavailable entirely or in the specific quantities sought by the Fund. As a result, the Fund may need to obtain the desired exposure through a less advantageous investment, forgo the investment at the time or seek to replicate the desired exposure through a derivative transaction or investment in another investment vehicle. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. There is a risk that you may lose money by investing in the Fund.
Social, political, economic and other conditions and events, such as war, natural disasters, health emergencies (e.g., the novel coronavirus outbreak, epidemics and other pandemics), terrorism, conflicts, social unrest, recessions, inflation, interest rate changes and supply chain disruptions could reduce consumer demand or economic output, result in market closures, travel restrictions or quarantines, and generally have a significant impact on the economies and financial markets and the Adviser’s investment advisory activities and services of other service providers, which in turn could adversely affect the Fund’s investments and other operations.
Government and other public debt, including municipal obligations in which the Fund may invest, can be adversely affected by changes in local and global economic conditions that result in increased debt levels. Although high levels of government and other public debt do not necessarily indicate or cause economic problems, high levels of debt may create certain systemic risks if sound debt management practices are not implemented. A high debt level may increase market pressures to meet an issuer’s funding needs, which may increase borrowing costs and cause a government or public or municipal entity to issue additional debt, thereby increasing the risk of refinancing. A high debt level also raises concerns that the issuer may be unable or unwilling to repay the principal or interest on its debt, which may adversely impact instruments held by the Fund that rely on such payments.
Governmental and quasi-governmental responses to certain economic or other conditions may lead to increasing government and other public debt, which heighten these risks. Unsustainable debt levels can lead to declines in the value of currency, and can prevent a government from implementing effective counter-cyclical fiscal policy during economic downturns, can generate or contribute to an economic downturn or cause other adverse economic or market developments, such as increases in inflation or volatility. Increasing government and other public debt may adversely affect issuers, obligors, guarantors or instruments across a variety of asset classes.
Global events may negatively impact broad segments of businesses and populations, cause a significant negative impact on the performance of the Fund’s investments, adversely affect and increase the volatility of the Fund’s share price, exacerbate pre-existing political, social and economic risks to the Fund. The Fund’s operations may be interrupted as a result, which may contribute to the negative impact on investment performance. In addition, governments, their regulatory agencies, or self-regulatory organizations may take actions that affect the instruments in which the Fund invests, or the issuers of such instruments, in ways that could have a significant negative impact on the Fund’s investment performance.
Concentration Risk
If an Index concentrates in the securities of issuers in one or more industries or groups of industries, the Fund may concentrate in such industries or groups of industries. By concentrating its investments in an industry or group of industries, the Fund may face greater risks than if it were diversified broadly over numerous industries or groups of industries.
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks (Con’t) 
Information Technology Sector Risk
If an Index concentrates in the information technology sector the value of Fund shares may be particularly impacted by events that adversely affect the information technology sector, such as rapid changes in technology product cycles, competition for the services of qualified personnel and government regulation. The products of information technology companies may face product obsolescence due to rapid technological developments and frequent new product introduction and unpredictable changes in growth rates. Companies in the information technology sector also can be heavily dependent on patent protection and the expiration of patents may adversely affect the profitability of these companies. As a result, the value of shares may fluctuate more than that of a fund that does not concentrate in companies in the technology sector.
Responsible Investing
Investing primarily in responsible investments carries the risk that, under certain market conditions, the Fund may underperform funds that do not utilize a responsible investment strategy. The application of the respective Index’s investment criteria may affect the Fund’s exposure to certain sectors or types of investments, and may impact the Fund’s relative investment performance depending on whether such sectors or investments are in or out of favor in the market. An investment’s ESG or DEI performance, or Calvert’s assessment of such performance may change over time, which could cause the Fund to temporarily hold securities that do not comply with the Fund’s responsible investment criteria. In evaluating an investment, Calvert is dependent upon information and data that may be incomplete, inaccurate or unavailable, which could adversely affect the analysis of the ESG or DEI factors relevant to a particular investment. The Fund is also subject to the risk that the companies identified by the index provider do not operate as expected when addressing ESG or DEI issues. Additionally, the index provider’s proprietary valuation model may not perform as intended, which may adversely affect an investment in the Fund. Regulatory changes or interpretations regarding the definitions and/or use of ESG or DEI criteria could have a material adverse effect on the Fund’s ability to invest in accordance with its ESG strategy. Socially responsible norms differ by country and region, and a company’s ESG or DEI practices or the Adviser’s assessment of such may change over time and there is a risk that the Adviser may incorrectly assess a company’s ESG or DEI practices. The Fund may invest in companies that do not reflect the beliefs and values of any particular investor.
Foreign Investing
To the extent that the Fund invests in foreign issuers, there is the risk that news and events unique to a country or region will affect those markets and their issuers. These same events will not necessarily have an effect on the U.S. economy or similar issuers located in the United States. In addition, some of the Fund’s securities, including underlying securities represented by depositary receipts, may be denominated in foreign currencies. As a result, changes in the value of a country’s currency compared to the U.S. dollar may affect the value of the Fund’s investments. These changes may happen separately from, and in response to, events that do not otherwise affect the value of the security in the issuer’s home country. These risks may be intensified for the Fund’s investments in securities of issuers located in emerging market or developing countries.
Foreign Securities
Foreign issuers generally are subject to different accounting, auditing and financial reporting standards than U.S. issuers. There may be less information available to the public about foreign issuers. Securities of foreign issuers can be less liquid and experience greater price movements. In addition, the prices of such securities may be susceptible to influence by large traders, due to the limited size of many foreign securities markets. Moreover, investments in certain foreign markets that have historically been considered stable may become more volatile and subject to increased risk due to developments and changing conditions in such markets. Also, the growing  interconnectivity of global economies and financial markets has increased the probability that adverse developments and conditions in one country or region will affect the stability of economies and financial markets in other countries or regions. In some foreign countries, there is also the risk of government expropriation, excessive taxation, political or social instability, the imposition of currency controls or diplomatic developments that could affect the Fund’s investment. There also can be difficulty obtaining and enforcing judgments against issuers in foreign countries. Foreign stock exchanges, broker-dealers and listed issuers may be subject to less government regulation and oversight. The cost of investing in foreign securities, including brokerage commissions and custodial expenses, can be higher than the cost of investing in domestic securities.
Certain foreign markets may rely heavily on particular industries or foreign capital and are more vulnerable to diplomatic developments, the imposition of economic sanctions against a particular country or countries, organizations, companies, entities and/or individuals, changes in international trading patterns, trade barriers and other protectionist or retaliatory measures. International trade barriers or economic sanctions against foreign countries, organizations, companies, entities and/or individuals may adversely affect the Fund’s foreign holdings or exposures. Investments in foreign markets may also be adversely affected by less stringent investor protections and disclosure standards, and governmental actions such as the imposition of capital controls, nationalization of companies or industries, expropriation of assets or the imposition of punitive taxes. Governmental actions can have a significant effect on the economic conditions in foreign countries, which also may adversely affect the value and liquidity of the Fund’s investments. Foreign investment in the securities markets of certain foreign countries is restricted or controlled to varying degrees. For example, the governments of certain countries may prohibit or impose substantial restrictions on foreign investing in their capital markets or in certain sectors or industries. In addition, a foreign government may limit or cause delay in the convertibility or repatriation of its currency which would adversely affect the U.S. dollar value and/or liquidity of investments denominated in that
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks (Con’t) 
currency. Moreover, if a deterioration occurs in a country’s balance of payments, the country could impose temporary restrictions on foreign capital remittances. The Fund could also be adversely affected by delays in, or a refusal to grant, any required governmental approval for repatriation, as well as by the application to it of other restrictions on investment. Any of these actions could severely affect security prices, which could result in losses to the Fund and increased transaction costs, impair the Fund’s ability to purchase or sell foreign securities or transfer the Fund’s assets back into the United States, or otherwise adversely affect the Fund’s operations. Certain foreign investments may become less liquid in response to market developments or adverse investor perceptions, or become illiquid after purchase by the Fund, particularly during periods of market turmoil. Certain foreign investments may become illiquid when, for instance, there are few, if any, interested buyers and sellers or when dealers are unwilling to make a market for certain securities. When the Fund holds illiquid investments, its portfolio may be harder to value.
Economic sanctions or other similar measures may be, and have been, imposed against certain countries, organizations, companies, entities and/or individuals. The Fund’s investments in foreign securities are subject to trade laws and potential economic sanctions in the United States and other jurisdictions. These laws and related governmental actions, including counter-sanctions and other retaliatory measures, can, from time to time, prevent or prohibit the Fund from investing in certain foreign securities. In addition, economic sanctions could prohibit the Fund from transacting with particular countries, organizations, companies, entities and/or individuals by banning them from global payment systems that facilitate cross-border payments, restricting their ability to settle securities transactions, and freezing their assets. The imposition of sanctions and other similar measures could, among other things, cause a decline in the value of securities issued by the sanctioned country or companies located in, or economically linked to, the sanctioned country, downgrades in the credit ratings of the sanctioned country or companies located in, or economically linked to, the sanctioned country, devaluation of the sanctioned country’s currency, and increased market volatility and disruption in the sanctioned country and throughout the world. Economic sanctions or other similar measures could, among other things, effectively restrict or eliminate the Fund’s ability to purchase or sell securities, negatively impact the value or liquidity of the Fund’s investments, significantly delay or prevent the settlement of the Fund’s securities transactions, force the Fund to sell or otherwise dispose of investments at inopportune times or prices, increase the Fund’s transaction costs, make the Fund’s investments more difficult to value or impair the Fund’s ability to meet its investment objective or invest in accordance with its investment strategies. These conditions may be in place for a substantial period of time and enacted with limited advance notice to the Fund. Even if the Fund does not have significant investments in securities affected by sanctions, sanctions or the threat of sanctions may cause volatility in regional and global markets and may negatively impact the performance of various sectors and industries, as well as companies in other countries, including through global supply chain disruptions, increased inflationary pressures, and reduced economic activity, which could have a negative effect on the Fund’s performance. In addition, trade disputes may affect investor and consumer confidence and adversely affect financial markets and the broader economy, perhaps suddenly and to a significant degree. Events such as these and their impact on the Fund are difficult to predict.
In addition, the Holding Foreign Companies Accountable Act (the “HFCAA”) could cause securities of a foreign (non-U.S.) company, including American Depositary Receipts, to be delisted from U.S. stock exchanges if the company does not allow the U.S. government to oversee the auditing of its financial information. Although the requirements of the HFCAA apply to securities of all foreign (non-U.S.) issuers, the SEC has thus far limited its enforcement efforts to securities of Chinese companies. If securities are delisted, the Fund’s ability to transact in such securities will be impaired, and the liquidity and market price of the securities may decline. The Fund may also need to seek other markets in which to transact in such securities, which could increase the Fund’s costs.
Foreign Currency
Investments in foreign securities may be denominated in foreign currencies. The value of foreign currencies may fluctuate relative to the value of the U.S. dollar or other applicable foreign currency. Since the Fund may invest in non-U.S. dollar-denominated securities, and therefore may convert the value of such securities into U.S. dollars, changes in currency exchange rates can increase or decrease the U.S. dollar value of the Fund’s assets. Currency exchange rates may fluctuate significantly over short periods of time for a number of reasons, including changes in interest rates and the overall economic health of the issuer. Devaluation of a currency by a country’s government or banking authority also will have a significant impact on the value of any investments denominated in that currency. The Adviser may use derivatives to seek to reduce this risk. The Adviser may in its discretion choose not to hedge against currency risk. In addition, certain market conditions may make it impossible or uneconomical to hedge against currency risk.
Foreign Currency Forward Exchange Contracts
In connection with its investments in foreign securities, the Fund also may enter into contracts with banks, brokers or dealers to purchase or sell securities or foreign currencies at a future date. A foreign currency forward exchange contract is a negotiated agreement between the contracting parties to exchange a specified amount of currency at a specified future time at a specified rate. The rate can be higher or lower than the spot rate between the currencies that are the subject of the contract. Foreign currency forward exchange contracts may be used to seek to protect against uncertainty in the level of future foreign currency exchange rates or to gain or modify exposure to a particular currency. In addition, the Fund may use cross currency hedging or proxy hedging with respect to currencies in which the Fund has or expects to have portfolio or currency exposure. Cross currency and proxy hedges involve the sale of one currency against the positive exposure to a different currency and may be used for hedging purposes or to establish an active exposure to the exchange rate between any two currencies.
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks (Con’t) 
Investments in foreign currency forward exchange contracts may substantially change the Fund’s exposure to currency exchange rates and could result in losses to the Fund if currencies do not perform as the Adviser expects. The Adviser’s success in these transactions will depend principally on its ability to predict accurately the future exchange rates between foreign currencies and the U.S. dollar. Foreign currency forward exchange contracts may be used for non-hedging purposes in seeking to meet the Fund’s investment objectives, such as when the Adviser anticipates that particular non-U.S. currencies will appreciate or depreciate in value, even though securities denominated in those currencies are not then held in the Fund’s investment portfolios. Investing in foreign currency forward exchange contracts for purposes of gaining from projected changes in exchange rates, as opposed to hedging currency risks applicable to the Fund’s holdings, further increases the Fund’s exposure to foreign securities losses. There is no assurance that the Adviser’s use of currency derivatives will benefit the Fund or that they will be, or can be, used at appropriate times.
Derivatives
The Fund may, but is not required to, use derivatives and other similar instruments for a variety of purposes, including hedging, risk management, portfolio management or to seek to earn income. Derivative instruments used by the Fund will be counted towards the Fund’s exposure in the types of securities listed herein to the extent they have economic characteristics similar to such securities.  A derivative is a financial instrument whose value is based, in part, on the value of an underlying asset, interest rate, index or financial instrument. Prevailing interest rates and volatility levels, among other things, also affect the value of derivative instruments. Derivatives and other similar instruments that create synthetic exposure often are subject to risks similar to those of the underlying asset or instrument and may be subject to additional risks, including imperfect correlation between the value of the derivative and the underlying asset, risks of default by the counterparty to certain transactions, magnification of losses incurred due to changes in the market value of the securities, instruments, indices or interest rates to which the derivative instrument relates, risks that the transactions may not be liquid,  risks arising from margin and payment requirements, risks arising from mispricing or valuation complexity and operational and legal risks. The use of derivatives involves risks that are different from, and possibly greater than, the risks associated with other portfolio investments. Derivatives may involve the use of highly specialized instruments that require investment techniques and risk analyses different from those associated with other portfolio investments.
Certain derivative transactions may give rise to a form of leverage. Leverage magnifies the potential for gain and the risk of loss. Leverage associated with derivative transactions may cause the Fund to liquidate portfolio positions when it may not be advantageous to do so or may cause the Fund to be more volatile than if the Fund had not been leveraged. Although the Adviser seeks to use derivatives to further the Fund’s investment objective, there is no assurance that the use of derivatives will achieve this result.
The derivative instruments and techniques that the Fund may use include:
Futures. A futures contract is a standardized, exchange-traded agreement to buy or sell a specific quantity of an underlying asset, reference rate or index at a specific price at a specific future time. While the value of a futures contract tends to increase or decrease in tandem with the value of the underlying instrument, differences between the futures market and the market for the underlying asset may result in an imperfect correlation. Depending on the terms of the particular contract, futures contracts are settled through either physical delivery of the underlying instrument on the settlement date or by payment of a cash settlement amount on the settlement date. A decision as to whether, when and how to use futures contracts involves the exercise of skill and judgment and even a well-conceived futures transaction may be unsuccessful because of market behavior or unexpected events. In addition to the derivatives risks discussed above, the prices of futures contracts can be highly volatile, using futures contracts can lower total return, and the potential loss from futures contracts can exceed the Fund’s initial investment in such contracts. No assurance can be given that a liquid market will exist for any particular futures contract at any particular time. There is also the risk of loss by the Fund of margin deposits in the event of bankruptcy of a broker with which the Fund has open positions in the futures contract.
Exchange-Traded Funds
The Fund may invest in exchange-traded funds (“ETFs”). ETFs seek to track the performance of various portions or segments of the equity and fixed-income markets. Shares of ETFs have many of the same risks as direct investments in common stocks or bonds. In addition, the market value of ETF shares may differ from their NAV because the supply and demand in the market for ETF shares at any point in time is not always identical to the supply and demand in the market for the underlying securities. Also, ETFs that track particular indices typically will be unable to match the performance of the index exactly due to, among other things, the ETF’s operating expenses and transaction costs. ETFs typically incur fees that are separate from those fees incurred directly by the Fund. Therefore, as a shareholder in an ETF, the Fund would bear its ratable share of that entity’s expenses. At the same time, the Fund would continue to pay its own investment management fees and other expenses. As a result, shareholders will directly bear the expenses of their investment in the Fund and indirectly bear the expenses of the Fund’s investments in ETFs with respect to investments in ETFs. The Fund and its shareholders will be subject to the risks of the purchased investment company and its portfolio of securities.
Large Shareholder Transactions Risk
The Fund may experience adverse effects when certain shareholders, or shareholders collectively, purchase or redeem large amounts of shares of the Fund. In addition, a third party investor, the Adviser or an affiliate of the Adviser, an authorized participant, a lead market maker, or another entity (i.e., a seed investor) may invest in the Fund and hold its investment solely to facilitate
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks (Con’t) 
commencement of the Fund or to facilitate the Fund’s achieving a specified size or scale. Any such investment may be held for a limited period of time. There can be no assurance that any large shareholder would not redeem its investment, that the size of the Fund would be maintained at such levels or that the Fund would continue to meet applicable listing requirements.  Such larger than normal redemptions may cause the Fund to sell portfolio securities at times when it would not otherwise do so, which may negatively impact the Fund’s NAV and liquidity. Similarly, large Fund share purchases may adversely affect the Fund’s performance to the extent that the Fund is delayed in investing new cash and is required to maintain a larger cash position than it ordinarily would. Large shareholder transactions may also accelerate the realization of taxable income to shareholders if such sales of investments resulted in gains and may also increase transaction costs. In addition, a large redemption could result in the Fund’s current expenses being allocated over a smaller asset base, leading to an increase in the Fund’s expense ratio. Although large shareholder transactions may be more frequent under certain circumstances, the Fund is generally subject to the risk that shareholders can purchase or redeem a significant percentage of Fund shares at any time. In addition, transactions by large shareholders may account for a large percentage of the trading volume on NYSE Arca and may, therefore, have a material upward or downward effect on the market price of the shares.
Counterparty Risk
A financial institution or other counterparty with whom the Fund does business (such as trading, securities lending or as a derivatives counterparty), or that underwrites, distributes or guarantees any instruments that the Fund owns or is otherwise exposed to, may decline in financial condition and become unable to honor its commitments. This could cause the value of Fund shares to decline or could delay the return or delivery of collateral or other assets to the Fund. Counterparty risk is increased for contracts with longer maturities.
Mid Cap Companies
Investments in mid cap companies may involve greater risks than investments in larger, more established companies. The securities issued by mid cap companies may be less liquid and such companies may have more limited markets, financial resources and product lines, and may lack the depth of management of larger companies.
Securities Lending
The Fund may lend its portfolio securities to broker-dealers and other institutional borrowers. During the existence of a loan, the Fund will continue to receive the equivalent of the interest paid by the issuer on the securities loaned, or all or a portion of the interest on investment of the collateral, if any. The Fund may pay lending fees to such borrowers. Loans will only be made to firms that have been approved by the  Adviser, and the Adviser or the securities lending agent will periodically monitor the financial condition of such firms while such loans are outstanding. Securities loans will only be made when the  Adviser believes that the expected returns, net of expenses, justify the attendant risks. Securities loans currently are required to be secured continuously by collateral in cash, cash equivalents (such as money market instruments) or other liquid securities held by the custodian and maintained in an amount at least equal to the market value of the securities loaned. The Fund may engage in securities lending  to seek to generate income. Upon return of the loaned securities, the Fund would be required to return the related collateral to the borrower and may be required to liquidate portfolio securities in order to do so. The Fund may lend up to one-third of the value of its total assets or such other amount as may be permitted by law.
As with other extensions of credit, there are risks of delay in recovery or even loss of rights in the securities loaned if the borrower of the securities fails financially. To the extent that the portfolio securities acquired with such collateral have decreased in value, it may result in the Fund realizing a loss at a time when it would not otherwise do so. As such, securities lending may introduce leverage into the Fund. The Fund also may incur losses if the returns on securities that it acquires with cash collateral are less than the applicable rebate rates paid to borrowers and related administrative costs.
Tracking Error Risk
Tracking error is the divergence of the Fund’s performance from that of its Index. The performance of the Fund may diverge from that of its Index for a number of reasons. When a Fund uses a representative sampling indexing strategy, it can be expected to have a larger tracking error than if it used a replication indexing strategy. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, changes to its Index or the need to meet new or existing regulatory requirements. Unlike the Fund, the returns of an Index are not reduced by investment and other operating expenses, including the trading costs associated with implementing changes to its portfolio of investments. The frequency at which each Index is rebalanced may result in higher trading costs for the Fund and, as a result, greater tracking error. Tracking error risk may be heightened during times of market volatility, unusual market conditions or other abnormal circumstances. To the extent that the Fund calculates its NAV based on fair value prices and the value of its Index is based on securities’ closing prices (i.e., the value of the Index is not based on fair value prices), the Fund’s ability to track the Index may be adversely affected. The Fund may be required to deviate its investments from the securities and relative weightings of its Index to comply with the Investment Company Act of 1940, as amended (the “1940 Act”), to meet the issuer diversification requirements of the Code applicable to regulated investment companies, or as a result of local market restrictions or other legal reasons. The Fund’s investments may vary from the securities of its Index due to the Fund’s inability to invest in certain securities as a result of legal and compliance restrictions applicable to the Fund and/or the Adviser and regulatory
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks (Con’t) 
limits or other restrictions on securities that may be purchased by the Adviser and its affiliates. For tax efficiency purposes, the Fund may sell certain securities to realize losses, which will result in a deviation from its Index.
Index Related Risk
The Fund’s return may not track the return of the underlying index for a number of reasons and, therefore, may not achieve its investment objective. The Fund’s return may differ from the return of its Index as a result of, among other things, pricing differences and the inability to purchase certain securities included in the Index due to regulatory or other restrictions. Corporate actions affecting securities held by the Fund (such as mergers and spin-offs) or the Fund’s ability to purchase round lots of securities may also cause a deviation between the performance of the Fund and its Index.
In addition, if the Fund uses a representative sampling approach, the Fund may not be as well correlated with the return of the Index as when the Fund purchases all of the securities in the Index in the proportions in which they are represented in the Index.
Errors in the construction or calculation of the Index may occur from time to time. Any such errors may not be identified and corrected for some period of time, which may negatively impact the Fund and its shareholders. If the Fund uses a sampling method of indexing, it may have a larger tracking error than if it used a replication method of indexing.
Calvert relies on third party data it believes to be reliable in constructing the Index, but it does not guarantee the accuracy or availability of any such third party data, and there is no guarantee with respect to the accuracy, availability or timeliness of the production of the Index.
Unusual market conditions may cause Calvert to postpone a scheduled rebalance, which could cause an Index to vary from its normal or expected composition. The postponement of a scheduled rebalance in a time of market volatility could mean that constituents that would otherwise be removed at rebalance due to changes in market capitalizations or other reasons may remain, causing the performance and components of the Index to vary from those expected under normal conditions and potentially increasing transaction costs to the Fund. Apart from scheduled rebalances, Calvert or its agents may carry out additional ad hoc rebalances to the Index in order, for example, to correct an error in the selection of index components. When an Index is rebalanced and the Fund in turn rebalances its portfolio to attempt to increase the correlation between the Fund’s portfolio and its Index, any transaction costs and market exposure arising from such portfolio rebalancing may be borne directly by the Fund and its shareholders. Therefore, errors and additional ad hoc rebalances carried out by Calvert or its agents to the Index may increase the costs to and the tracking error risk of the Fund.
It is also possible that the composition of the Fund may not exactly replicate the composition of its Index if the Fund has to adjust its portfolio holdings in order to continue to qualify as a “regulated investment company” under the U.S. Internal Revenue Code of 1986, as amended (the Internal Revenue Code).
The risk that the Fund may not track the performance of the Index may be heightened during times of increased market volatility, unusual market conditions or other abnormal circumstances.
Cybersecurity Risk
With the increased use of technologies such as the internet to conduct business, the Fund, the Adviser, authorized participants, service providers and the relevant listing exchange are susceptible to operational, information security and related “cyber” risks both directly and through the service providers. Similar types of  cybersecurity risks are also present for issuers of securities in which the Fund invests, which could result in material adverse consequences for such issuers and may cause the Fund’s investment in such issuers to lose value. In general, cyber incidents can result from deliberate attacks or unintentional events. Cyber incidents include, but are not limited to, gaining unauthorized access to digital systems (e.g., through “hacking” or malicious software coding) for purposes of misappropriating assets or sensitive information, corrupting data, or causing operational disruption. Cyberattacks may also be carried out in a manner that does not require gaining unauthorized access, such as causing denial-of-service attacks on websites (i.e., efforts to make network services unavailable to intended users). Recently, geopolitical tensions may have increased the scale and sophistication of deliberate attacks, particularly those from nation-states or from entities with nation-state backing.
Cybersecurity failures by, or breaches of, the systems of the Adviser, distributor and other service providers (including, but not limited to, index and benchmark providers, fund accountants, custodians, transfer agents and administrators), exchanges, market participants, market makers, authorized participants or the issuers of securities in which the Fund invests have the ability to cause disruptions and impact business operations, potentially resulting in: financial losses, interference with the Fund’s ability to calculate its NAV, disclosure of confidential trading information, impediments to trading, submission of erroneous trades or erroneous creation or redemption orders, the inability of the Fund or its service providers to transact business, violations of applicable privacy and other laws, regulatory fines, penalties, reputational damage, reimbursement or other compensation costs, or additional compliance costs. In addition, cyberattacks may render records of Fund assets and transactions, shareholder ownership of Fund shares, and other data integral to the functioning of the Fund inaccessible, inaccurate or incomplete. Substantial costs may be incurred by the Fund in order to resolve or prevent cyber incidents in the future. While the Fund has established business continuity
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks (Con’t) 
plans in the event of, and risk management systems to prevent, such cyber incidents, there are inherent limitations in such plans and systems, including the possibility that certain risks have not been identified, that prevention and remediation efforts will not be successful or that cyberattacks will go undetected. Furthermore, the Fund cannot control the cybersecurity plans and systems put in place by service providers to the Fund, issuers in which the Fund invests, the Index Provider, market makers or authorized participants. The Fund and its shareholders could be negatively impacted as a result.
Non-Diversification Risk
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF is non-diversified, which means that the Fund may invest a greater percentage of their assets in a smaller number of issuers than diversified funds. A fund that is classified as non-diversified may be more susceptible to an adverse event affecting a single issuer or portfolio investment than a diversified portfolio and a decline in the value of that issuer’s securities or that portfolio investment may cause the Fund’s overall value to decline to a greater degree than a diversified portfolio.
Passive Investment
Certain Funds are managed using a passive investment strategy that uses a representative sampling indexing strategy. Certain Funds are managed using a passive investment strategy and expect to hold common stocks of each company in the Index regardless of their current or projected performance. The Funds do not expect to hold common stocks of each company in the Index or in the same proportion as represented in the Index, and Fund performance may vary from the Index.
In addition, a Fund generally will not adjust its portfolio investments to attempt to take advantage of market opportunities or lessen the impact of a market decline or a decline in the performance of one or more issuers or for other reasons. Maintaining investments regardless of market conditions or the performance of individual investments could cause the Fund’s return to be lower than if a Fund employed an active strategy. Unusual market events or other abnormal circumstances may increase market volatility and may cause the characteristics of the Index components to vary from those expected under normal circumstances.
ETF Structure Risks
Authorized Participant Concentration Risk
Only an authorized participant may engage in creation or redemption transactions directly with the Fund. The Fund has a limited number of intermediaries that act as authorized participants and none of these authorized participants is or will be obligated to engage in creation or redemption transactions. There can be no assurance that an active trading market for the Fund’s shares will develop or be maintained. To the extent that these intermediaries exit the business or are unable to or choose not to proceed with creation and/or redemption orders with respect to the Fund, such as during periods of market stress, and no other authorized participant creates or redeems, shares may trade at a discount to net asset value (“NAV”) and possibly face trading halts and/or delisting.
Trading Risk
Shares are listed for trading on NYSE Arca and are bought and sold in the secondary market at market prices. The market prices of shares are expected to fluctuate, in some cases materially, in response to changes in the Fund’s NAV, the intra-day value of the Fund’s holdings, and supply and demand for shares. The Adviser cannot predict whether shares will trade above, below or at their NAV. Disruptions to creations and redemptions, the existence of significant market volatility or potential lack of an active trading market for the shares (including through a trading halt), as well as other factors, may result in the shares trading significantly above (at a premium) or below (at a discount) to NAV or to the intraday value of the Fund’s holdings. You may pay significantly more or receive significantly less than the Fund’s NAV per share during periods when there is a significant premium or discount. During such periods, you may incur significant losses if you sell your shares.
Buying or selling shares in the secondary market may require paying brokerage commissions or other charges imposed by brokers as determined by that broker. Brokerage commissions are often a fixed amount and may be a significant proportional cost when seeking to buy or sell relatively small amounts of shares. In addition, the market price of shares, like the price of any exchange-traded security, includes a “bid-ask spread” charged by the market makers or other participants that trade the particular security. The spread of the Fund’s shares varies over time based on the Fund’s trading volume and market liquidity and may increase if the Fund’s trading volume, the spread of the Fund’s underlying securities, or market liquidity decrease.
Trading in shares on NYSE Arca may be halted due to market conditions or for reasons that, in the view of NYSE Arca, make trading in shares inadvisable. In addition, trading in shares on NYSE Arca is subject to trading halts caused by extraordinary market volatility pursuant to NYSE Arca “circuit breaker” rules. If a trading halt or unanticipated closing of the exchange occurs, a shareholder may be unable to purchase or sell shares. There can be no assurance that the requirements of NYSE Arca necessary to maintain the listing of the Fund will continue to be met or will remain unchanged.
Regulatory and Legal Risk
U.S. and non-U.S. governmental agencies and other regulators regularly implement additional regulations and legislators pass new laws that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation applying to
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks (Con’t) 
the Fund (such as regulations related to investments in derivatives and other transactions). These regulations and laws impact the investment strategies, performance, costs and operations of the Fund or taxation of shareholders.
The SEC has recently proposed amendments to Rule 22e-4 of the 1940 Act that, if adopted, would result in changes to the Fund’s liquidity classification framework and could potentially increase the percentage of the Fund’s investments classified as illiquid. In addition, the Fund’s operations and investment strategies may be adversely impacted if the proposed amendments are adopted.
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Calvert  |  About Responsible Investing 
About Responsible Investing 
Investment Selection Process
As described above, each Fund seeks to replicate a specific Calvert Responsible Index (each, an “Index’ and collectively, the “Indexes”). Calvert seeks to include in the Index issuers that manage ESG risk exposures adequately and that are not exposed to excessive ESG risk through their principal business activities. Companies included in an Index are analyzed using The Calvert Principles for Responsible Investment (included as Appendix A to this Prospectus), a framework for considering ESG factors. Each issuer is evaluated relative to an appropriate peer group based on financially material ESG factors as determined by Calvert. Calvert’s evaluation of a particular security’s responsible investing characteristics generally involves both quantitative and qualitative analysis. In assessing investments, Calvert generally focuses on the ESG factors relevant to the issuer’s operations, and an issuer may be acceptable for investment based primarily on such assessment. Securities may be deemed suitable for investment even if the issuer does not operate in accordance with all elements of the Fund’s responsible investing criteria. An Index may also include issuers that  Calvert believes are likely to operate in accordance with the Principles pending Calvert’s engagement activity with such issuer.  In assessing issuers for which quantitative data is limited, subjective judgments may serve as the primary basis for Calvert’s evaluation. Calvert’s Index Committee may, in its discretion, remove an Index component before the next reconstitution if it has been determined that such Index component no longer meets the Calvert Principles. Calvert’s Index Committee may also, in its discretion, add a company that was previously excluded from the Index universe of the next rebalance, if it has been determined that such company meets the Calvert Principles.
As described above, or in the SAI, each Fund may invest in cash, money market instruments and ETFs. Such investments will generally not be subject to responsible investment analysis and will not be required to be consistent with the responsible investment criteria otherwise applicable to investments made by the Fund. In addition, ETFs in which a Fund may invest may hold securities of issuers that do not operate in accordance with the Fund’s responsible investment criteria.
High Social Impact Investments. Up to 3% of a Fund’s net assets may be invested in High Social Impact Investments. High Social Impact Investments are investments that, in Calvert’s opinion, offer the opportunity for significant sustainability and social impact and are consistent with the applicable Fund’s investment strategy, because Calvert believes these investments are consistent with the Calvert Principles. Investments in High Social Impact Investments are not included in an Index, and a Fund’s performance may deviate from the Index it seeks to track as a result.
High Social Impact Investment debt obligations are unrated and of below-investment grade quality, and involve a greater risk of default and price decline than investment grade investments. High Social Impact Investments are illiquid, and a Fund may be unable to dispose of them at current carrying values.
Any Fund investment in High Social Impact Investments is fair valued pursuant to valuation procedures adopted by a Fund’s Board and implemented by the Adviser. High Social Impact Investments by a Fund may be direct investments in an issuer or investments in an intermediate entity that then makes High Social Impact Investments, such as Calvert Impact Capital, Inc. (“CIC”) (as discussed below).
Pursuant to an exemptive order issued by the SEC, a Fund may invest in Community Investment Notes (“Notes”) issued by CIC as part of a Fund’s High Social Impact Investments. CIC is a nonstock corporation organized under the laws of the State of Maryland and designed to operate as a non-profit organization within the meaning of the Internal Revenue Code of 1986, as amended. CIC focuses its work on offering investors the ability to support organizations that strengthen communities and sustain our planet. CIC issues Notes with fixed-rates of interest to domestic individuals and institutional investors and the proceeds from the Notes primarily are used to provide financing to community development organizations, projects, funds and other social enterprises across a variety of impact sectors, including community development, microfinance, affordable housing, small business, renewable energy, environmental sustainability, education, health, and sustainable agriculture (collectively, the “Participating Borrowers”) with missions that may include addressing climate change, supporting quality education, promoting financial inclusion, strengthening women’s empowerment, and increasing access to quality affordable housing. CIC issues Notes with fixed interest rates determined at the time of issuance and terms currently ranging from six months to 20 years, and in turn makes loans to Participating Borrowers at rates determined through consideration of the general current market, the Participating Borrower’s positive social and/or environmental impact and the Participating Borrower’s risk level.
The Adviser has licensed use of the Calvert name to CIC and provides other types of support. An officer of the Adviser serves on the  CIC Board and an independent director/trustee on the Fund Board serves as a director  emeritus on the CIC Board.
Shareholder Advocacy and Corporate Responsibility
The Adviser has engaged Calvert to vote proxies consistent with Calvert’s Proxy Voting Policies and Procedures (“Proxy Policy”) and Global Proxy Voting Guidelines. The Adviser has also engaged Calvert to seek to actively engage with issuers. Calvert uses strategic engagement and shareholder advocacy to encourage positive change in companies. Calvert’s activities may include, but are not limited to:
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Calvert  |  Additional Information About Fund Investment Strategies and Related Risks 
Additional Information About Fund Investment Strategies and Related Risks (Con’t) 
Direct Dialogue with Company Management. Calvert, or its agent, may initiate dialogue with management through phone calls, letters and in-person meetings. Through its interaction, Calvert seeks to learn about management’s successes and challenges and to press for improvement on issues of concern.
Proxy Voting. As a shareholder of the companies in its portfolio, each Fund typically has an opportunity each year to express its views on issues of corporate governance and sustainability at annual stockholder meetings. Calvert votes proxies consistent with the Proxy Policy attached to the SAI.
Shareholder Resolutions. Calvert may propose that companies submit resolutions to their shareholders on a variety of ESG issues. Calvert believes that submitting shareholder resolutions may help establish dialogue with management and encourage companies to take action.
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Calvert  |  Fund Management 
Fund Management 
Adviser
Morgan Stanley Investment Management Inc., with principal offices at 1585 Broadway, New York, NY 10036, conducts a worldwide portfolio management business and provides a broad range of portfolio management services to customers in the United States and abroad. Morgan Stanley (NYSE: “MS”) is the parent of the Adviser. Morgan Stanley is a preeminent global financial services firm engaged in securities trading and brokerage activities, as well as providing investment banking, research and analysis, financing and financial advisory services. As of December 31, 2023, the Adviser, together with its affiliated asset management companies, had approximately $1.5 trillion in assets under management or supervision.
A discussion regarding the Board of Trustees’ approval of the Management Agreement is available in each Fund’s semi-annual report to shareholders for the period ending March 31, 2023.
The Adviser and/or its affiliates may make payments to one or more investors that contribute seed capital to one or more of the Funds. Such payments may continue for a specified period of time and/or until a specified dollar amount is reached. Those payments will be made from the assets of the Adviser and/or such affiliates (and not the Funds). Seed investors may contribute all or a majority of the assets in one or more of the Funds. There is a risk that such seed investors may redeem their investments in one or more of the Funds. As with redemptions by other large shareholders, such redemptions could have a significant negative impact on one or more of the Funds.
The Adviser will make a contribution from its own resources, annually after the end of each calendar year, to certain diversity, equity and inclusion initiatives in an amount of 0.02% of the net annualized assets under management of Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF.


The recipients of the contribution may include one or more organizations that focus on diversity, equity and inclusion-related causes. The Adviser maintains the option to increase, decrease or terminate this contribution in amount and/or frequency in its sole discretion. The Adviser will disclose, on an annual basis, the amount of any contributions made and the recipients of such contributions on the Fund’s website. An employee of the Adviser may serve on the board of directors of, or hold another position with, an organization that receives such contributions from the Adviser.
Management Fees
The Adviser receives a fee for management services equal to the portion of the average daily net assets as set forth in the table below.
Fund (as a percentage of average daily net assets)
Calvert International Responsible Index ETF
0.18%
Calvert US Large-Cap Core Responsible Index ETF
0.15%
Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF
0.14%
Calvert US Mid-Cap Core Responsible Index ETF
0.15%
Under the Management Agreement, the Adviser will pay substantially all the expenses of each Fund (including expenses of the Trust relating to each Fund), except for the distribution fees, if any brokerage expenses, acquired fund fees and expenses, taxes, interest, litigation expenses, and other extraordinary expenses, including the costs of proxies, not incurred in the ordinary course of each Fund’s business.
Portfolio Management
The Funds are managed by Thomas C. Seto, James Reber and Matthew Maillet, who are jointly and primarily responsible for the day-to-day management of the Funds.
Messrs. Seto and Reber are Managing Directors of the Adviser and have been associated with the Morgan Stanley organization for more than five years. Mr. Maillet has been an Executive Director of the Adviser since 2022 and was associated with Goldman Sachs Asset Management, L.P. from 2014 until he joined Morgan Stanley.
The Funds’ SAI provides additional information about the portfolio managers’ compensation structure, other accounts managed by the portfolio managers and the portfolio managers’ ownership of securities in the Funds.
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Shareholder Information 
Distribution of Fund Shares
The Distributor is the exclusive distributor of Creation Units of each Fund. The Distributor or its agent distributes Creation Units for each Fund on an agency basis. The Distributor does not maintain a secondary market in shares of the Funds. The Distributor has no role in determining the investment policies of a Fund or the securities that are purchased or sold by a Fund. The Distributor’s principal address is 3 Canal Plaza Suite 100, Portland, ME 04101.
The Board of Trustees of the Trust has adopted a distribution and service plan (“Plan”) pursuant to Rule 12b-1 under the 1940 Act. Under the Plan, each Fund is authorized to pay distribution fees in connection with the sale and distribution of its shares and pay service fees in connection with the provision of ongoing services to shareholders of a Fund and the maintenance of shareholder accounts in an amount up to 0.25% of its average daily net assets each year.
No Rule 12b-1 fees are currently paid by the Funds, and there are no current plans to impose these fees. However, in the event Rule 12b-1 fees are charged in the future, because these fees are paid out of a Fund’s assets on an ongoing basis, these fees will increase the cost of your investment in a Fund. By purchasing shares subject to distribution fees and service fees, you may pay more over time than you would by purchasing shares with other types of sales charge arrangements. Long-term shareholders may pay more than the economic equivalent of the maximum front-end sales charge permitted by the rules of FINRA. The net income attributable to shares will be reduced by the amount of distribution fees and service fees and other expenses of a Fund.
About Net Asset Value
A Fund’s NAV per share is  determined by dividing the total of the value of the Fund’s investments and other assets, less any liabilities attributable to the Fund, by the total number of outstanding shares of the Fund. In making this calculation, each Fund generally values its portfolio securities and other assets at market price.
When no market quotations are readily available for a security or other asset, including circumstances under which the Adviser determines that a market quotation is not accurate, fair value for the security or other asset will be determined in good faith using methods approved by the Board of Trustees. The Adviser, consistent with its procedures and applicable regulatory guidance, may (but need not) determine to make an adjustment to the previous closing prices of either domestic or foreign securities in light of significant events, to reflect what it believes to be the fair value of the securities at the time of determining the Fund’s NAV. In these cases, a Fund’s NAV will reflect certain portfolio securities’ fair value rather than their market price. In addition, the securities held by the Fund may be traded in markets that close at a different time than the exchange on which the Fund’s shares are listed. Accordingly, during the time when the Fund’s listing exchange is open but after the applicable market close, bid-ask spreads may widen and Fund shares may trade at a premium or discount to NAV. To the extent a Fund invests in open-end management companies (other than ETFs) that are registered under the 1940 Act, the Fund’s NAV is calculated based in relevant part upon the NAV of such funds. The prospectuses for such funds explain the circumstances under which they will use fair value pricing and its effects.
Fair value pricing involves subjective judgments and it is possible that the fair value determined for a security or other asset is materially different than the value that could be realized upon the sale of that security or other asset. With respect to securities that are primarily listed on foreign exchanges, the values of a Fund’s portfolio securities may change on days when you will not be able to purchase or sell your shares. The NAV of a Fund is based on the value of the Fund’s portfolio securities or other assets.
The Funds rely on various sources to calculate their NAVs. The ability of a Fund’s provider of administrative services to calculate the NAV per share of the Fund is subject to operational risks associated with processing or human errors, systems or technology failures, cyber attacks and errors caused by third party service providers, data sources, or trading counterparties. Such failures may result in delays in the calculation of the Fund’s NAV and/or the inability to calculate NAV over extended time periods. A Fund may be unable to recover any losses associated with such failures. In addition, if the third party service providers and/or data sources upon which a Fund directly or indirectly relies to calculate its NAV or price individual securities are unavailable or otherwise unable to calculate the NAV correctly, it may be necessary for alternative procedures to be utilized to price the securities at the time of determining the Fund’s NAV.
A Fund’s NAV per share is subject to various investment and other risks. Please refer to the “Additional Information About Fund Investment Strategies and Related Risks” and “Investment Strategies and Techniques” sections of the Prospectus and  SAI, respectively, for more information regarding risks associated with an investment in a Fund.
Book Entry
The Depository Trust Company (“DTC”) serves as securities depository for the shares. The shares may be held only in book-entry form; stock certificates will not be issued. DTC, or its nominee, is the record or registered owner of all outstanding shares. Beneficial ownership of shares will be shown on the records of DTC or its participants (described below). Beneficial owners of shares are not entitled to have shares registered in their names, will not receive or be entitled to receive physical delivery of certificates in definitive form and are not considered the registered holder thereof. Accordingly, to exercise any rights of a holder of shares, each beneficial owner must rely on the procedures of: (i) DTC; (ii) “DTC Participants,” i.e., securities brokers and dealers, banks, trust companies,
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Shareholder Information (Con’t) 
clearing corporations and certain other organizations, some of whom (and/or their representatives) own DTC; and (iii) “Indirect Participants,” i.e., brokers, dealers, banks and trust companies that clear through or maintain a custodial relationship with a DTC Participant, either directly or indirectly, through which such beneficial owner holds its interests. The Trust understands that under existing industry practice, in the event the Trust requests any action of holders of shares, or a beneficial owner desires to take any action that DTC, as the record owner of all outstanding shares, is entitled to take, DTC would authorize the DTC Participants to take such action and that the DTC Participants would authorize the Indirect Participants and beneficial owners acting through such DTC Participants to take such action and would otherwise act upon the instructions of beneficial owners owning through them. As described above, the Trust recognizes DTC or its nominee as the owner of all shares for all purposes.
Buying and Selling Shares
Shares of the Fund may be acquired or redeemed directly from a Fund at NAV only in Creation Units or multiples thereof, as discussed in the Creations and Redemptions section of the Prospectus. Only an Authorized Participant (as defined in the Creations and Redemptions section below) may engage in creation or redemption transactions directly with a Fund. Once created, shares of a Fund generally trade in the secondary market in amounts less than a Creation Unit.
Shares of a Fund are listed for trading on a national securities exchange during the trading day. Shares can be bought and sold throughout the trading day at market price like shares of other publicly traded companies. However, there can be no guarantee that an active trading market will develop or be maintained, or that the Fund shares listing will continue or remain unchanged. The Trust does not impose any minimum investment for shares of the Fund purchased on an exchange. Buying or selling the Fund’s shares involves certain costs that apply to all securities transactions. When buying or selling shares of the Fund through a financial intermediary, you may incur a brokerage commission or other charges determined by your financial intermediary. Due to these brokerage costs, if any, frequent trading may detract significantly from investment returns. In addition, you may also incur the cost of the spread (the difference between the bid price and the ask price). The commission is frequently a fixed amount and may be a significant cost for investors seeking to buy or sell small amounts of shares. The spread varies over time for shares of the Fund based on its trading volume and market liquidity, and is generally less if the Fund has more trading volume and market liquidity and more if the Fund has less trading volume and market liquidity.
The Fund’s primary listing exchange is NYSE Arca. NYSE Arca is open for trading Monday through Friday and is closed on the following holidays: New Year’s Day, Martin Luther King, Jr. Day, Presidents’ Day, Good Friday, Memorial Day, Juneteenth National Independence Day, Independence Day, Labor Day, Thanksgiving Day and Christmas Day.
A “business day” with respect to the Fund is each day the New York Stock Exchange, NYSE Arca, and the Trust are open and includes any day that the Fund is required to be open under Section 22(e) of the 1940 Act. Orders from authorized participants to create or redeem Creation Units will only be accepted on a business day. On days when NYSE Arca closes earlier than normal, the Fund may require orders to create or redeem Creation Units to be placed earlier in the day. See the SAI for more information.
The Trust’s Board of Trustees has not adopted a policy of monitoring for frequent purchases and redemptions of Fund shares (“frequent trading”) that appear to attempt to take advantage of potential arbitrage opportunities presented by a lag between a change in the value of the Fund’s portfolio securities after the close of the primary markets for the Fund’s portfolio securities and the reflection of that change in the Fund’s NAV (“market timing”). The Trust believes this is appropriate because ETFs, such as the Fund, are intended to be attractive to arbitrageurs, as trading activity is critical to ensuring that the market price of Fund shares remains at or close to NAV. Since the Fund issues and redeems Creation Units at NAV plus applicable transaction fees, and the Fund’s shares may be purchased and sold on NYSE Arca at prevailing market prices, the risks of frequent trading are limited.
Section 12(d)(1) of the 1940 Act generally restricts investments by investment companies, including foreign and unregistered investment companies, in the securities of other investment companies. For example, a registered investment company (the “Acquired Fund”), such as a Fund, may not knowingly sell or otherwise dispose of any security issued by the Acquired Fund to any investment company (the “Acquiring Fund”) or any company or companies controlled by the Acquiring Fund if, immediately after such sale or disposition: (i) more than 3% of the total outstanding voting stock of the Acquired Fund is owned by the Acquiring Fund and any company or companies controlled by the Acquiring Fund, or (ii) more than 10% of the total outstanding voting stock of the Acquired Fund is owned by the Acquiring Fund and other investment companies and companies controlled by them. However, registered investment companies are permitted to invest in a Fund beyond the limits set forth in Section 12(d)(1), subject to certain terms and conditions set forth in SEC rules. In order for a registered investment company to invest in shares of a Fund beyond the limitations of Section 12(d)(1) in reliance on Rule 12d1-4 under the 1940 Act, the registered investment company must, among other things, enter into an agreement with the Trust. Foreign investment companies are permitted to invest in the Fund only up to the limits set forth in Section 12(d)(1), subject to any applicable SEC Staff no-action relief.
The Fund and the Distributor will have the sole right to accept orders to purchase shares and reserve the right to reject any purchase order in whole or in part.
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Creations and Redemptions
Prior to trading in the secondary market, shares of a Fund are “created” at NAV by market makers, large investors and institutions only in block-size Creation Units or multiples thereof. Each “creator” or authorized participant (an “Authorized Participant”) enters into an authorized participant agreement with the Funds’ Distributor. An Authorized Participant is a member or participant of a clearing agency registered with the SEC, which has a written agreement with the Fund or one of its service providers that allows such member or participant to place orders for the purchase and redemption of Creation Units.
A creation transaction, which is subject to acceptance by JPMorgan Chase Bank, N.A., as the Trust’s transfer agent, generally takes place when an Authorized Participant deposits into the Fund a designated portfolio of securities (including any portion of such securities for which cash may be substituted) and a specified amount of cash in exchange for a specified number of Creation Units.
Similarly, shares can be redeemed only in Creation Units, generally for a designated portfolio of securities (including any portion of such securities for which cash may be substituted) held by a Fund and a specified amount of cash. Except when aggregated in Creation Units, shares are not redeemable by a Fund.
The prices at which creations and redemptions occur are based on the next calculation of NAV after a creation or redemption order is received in an acceptable form under the authorized participant agreement.
Only an Authorized Participant may create or redeem Creation Units directly with the Fund.
In the event of a system failure or other interruption, including disruptions at market makers or authorized participants, orders to purchase or redeem Creation Units either may not be executed according to the Fund’s instructions or may not be executed at all, or the Fund may not be able to place or change orders.
To the extent the Fund engages in in-kind transactions, the Fund intends to comply with the U.S. federal securities laws in accepting securities for deposit and satisfying redemptions with redemption securities by, among other means, assuring that any securities accepted for deposit and any securities used to satisfy redemption requests will be sold in transactions that would be exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”). Further, an Authorized Participant that is not a “qualified institutional buyer,” as such term is defined under Rule 144A of the Securities Act, will not be able to receive restricted securities eligible for resale under Rule 144A.
The in-kind arrangements are intended to protect ongoing shareholders from adverse effects on  the Fund’s portfolio that could arise from frequent cash creation and redemption transactions and generally will not lead to a tax event for the Fund or its ongoing shareholders.
Creations and redemptions must be made through a firm that is either a member of the Continuous Net Settlement System of the National Securities Clearing Corporation or a DTC Participant and has executed an agreement with the Distributor with respect to creations and redemptions of Creation Unit aggregations. Information about the procedures regarding creation and redemption of Creation Units (including the cut-off times for receipt of creation and redemption orders) and the applicable transaction fees is included in the Fund’s SAI.
Portfolio Holdings
A description of the Trust’s policies and procedures with respect to the disclosure of each Fund’s portfolio securities is available in the Trust’s SAI.
Inactive Accounts and Risk of Escheatment
In accordance with state “unclaimed property” laws, your Fund shares may legally be considered abandoned and required to be transferred to the relevant state (also known as “escheatment”) under various circumstances. These circumstances, which vary by state, can include inactivity (e.g., no owner-initiated contact for a certain period), returned mail (e.g., when mail sent to a shareholder is returned by the post office as undeliverable), uncashed checks or a combination of these. An incorrect address may cause a shareholder’s account statements and other mailings to be returned to the Fund or your Financial Intermediary. Since states’ statutory requirements regarding inactivity differ, it is important to regularly contact your Financial Intermediary or the Fund’s transfer agent. The process described above, and the application of state escheatment laws, may vary by state and/or depending on how shareholders hold their shares in the Fund.
It is your responsibility to ensure that you maintain a valid mailing address for your account, keep your account active by contacting your Financial Intermediary or the Fund’s transfer agent (e.g., by mail or telephone), and promptly cash all checks for dividends, capital gains and redemptions. Neither the Fund nor the Adviser will be liable to shareholders or their representatives for good faith compliance with escheatment laws.
For more information, please contact us at 800-836-2414.
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Dividends and Distributions
General Policies
Dividends from net investment income, if any, generally are declared and paid quarterly by a Fund. Distributions of net realized securities gains, if any, generally are declared and paid once a year, but the Trust may make distributions on a more frequent basis for a Fund. The Trust reserves the right to declare special distributions if, in its reasonable discretion, such action is necessary or advisable to preserve its status as a regulated investment company or to avoid imposition of income or excise taxes on undistributed income or realized gains. Dividends and other distributions on shares of a Fund are distributed on a pro rata basis to beneficial owners of such shares. Dividend payments are made through DTC participants and indirect participants to beneficial owners then of record with proceeds received from a Fund.
Dividend Reinvestment Service
No dividend reinvestment service is provided by the Trust. Broker-dealers may make available the DTC book-entry dividend reinvestment service for use by beneficial owners of a Fund for reinvestment of their dividend distributions. Beneficial owners should contact their broker to determine the availability and costs of the service and the details of participation therein. Brokers may require beneficial owners to adhere to specific procedures and timetables. If this service is available and used, dividend distributions of both income and realized gains will be automatically reinvested in additional whole shares of a Fund purchased in the secondary market.
Taxes
As with any investment, you should consider how your Fund investment will be taxed. The tax information in this Prospectus is provided as general information. You should consult your own tax professional about the tax consequences of an investment in a Fund. Unless your investment in a Fund is through a tax deferred retirement account, such as a 401(k) plan or IRA, you need to be aware of the possible tax consequences when the Fund makes distributions and when you sell shares.
Taxation of Distributions. Your distributions normally are subject to federal and state income tax when they are paid, whether you take them in cash or reinvest them in Fund shares. A distribution also may be subject to local income tax. Any income dividend distributions and any short-term capital gain distributions are taxable to you as ordinary income. Any long-term capital gain distributions are taxable as long-term capital gains, no matter how long you have owned shares in the Fund.
If certain holding period requirements are met with respect to your shares, a portion of the income dividends you receive may be taxed at the same rates as long-term capital gains. However, even if income received in the form of income dividends is taxed at the same rates as long-term capital gains, such income will not be considered long-term capital gains for other federal income tax purposes. For example, you will not be permitted to offset income dividends with capital losses. Short term capital gain distributions will continue to be taxed as ordinary income taxes.


If certain holding period requirements are met, corporate shareholders may be entitled to a dividends-received deduction for the portion of dividends they receive which are attributable to dividends received by the Fund from U.S. corporations.
If you buy shares of a Fund before a distribution, you may be subject to tax on the entire amount of the taxable distribution you receive. Distributions are taxable to you even if they are paid from income or gain earned by the Fund before your investment (and thus were included in the price you paid for your Fund shares).
Investment income received by a Fund from sources within foreign countries may be subject to foreign income, withholding, and other taxes. Tax conventions between certain countries and the U.S. may reduce or eliminate such taxes. If more than 50% of the total assets of the Calvert International Responsible Index ETF at the close of a year consists of non-U.S. stocks or securities (generally, for this purpose, depositary receipts, no matter where traded, of non-U.S. companies are treated as “non-U.S.”), generally the Fund may “pass through” to you certain non-U.S. income taxes (including withholding taxes) paid by the Fund. This means that you would be considered to have received as an additional dividend your share of such non-U.S. taxes, but you may be entitled to either a corresponding tax deduction in calculating your taxable income, or, subject to certain limitations, a credit in calculating your U.S. federal income tax.
You will be sent a statement (Internal Revenue Service (“IRS”) Form 1099-DIV) by February of each year showing the taxable distributions paid to you in the previous year. The statement provides information on your dividends and any capital gains for tax purposes.
Taxation of Sales. Your sale of Fund shares normally is subject to federal and state income tax and may result in a taxable gain or loss to you. A sale also may be subject to local income tax. When you sell your shares, you will generally recognize a capital gain or loss in an amount equal to the difference between your adjusted tax basis in the shares and the amount received. Generally, this capital gain or loss is long-term or short-term depending on whether your holding period exceeds one year, except that any loss realized on shares held for six months or less will be treated as a long-term capital loss to the extent of any long-term capital gain dividends that were received on the shares. Additionally, any loss realized on a sale of shares of a Fund may be disallowed under “wash sale” rules to the
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extent the shares disposed of are replaced with other shares of the Fund within a period of 61 days beginning 30 days before and ending 30 days after the date of disposition, such as pursuant to a dividend reinvestment in Fund shares. If disallowed, the loss will be reflected in an adjustment to the basis of the shares acquired.
Creations and Redemptions. A person who exchanges securities for Creation Units generally will recognize a gain or loss. The gain or loss will be equal to the difference between the market value of the Creation Units at the time of exchange and the sum of the exchanger’s aggregate basis in the securities surrendered and the amount of any cash paid for such Creation Units. A person who exchanges Creation Units for securities will generally recognize a gain or loss equal to the difference between the exchanger’s basis in the Creation Units and the sum of the aggregate market value of the securities received. The IRS, however, may assert that a loss realized upon an exchange of primarily securities for Creation Units cannot be deducted currently under the rules governing “wash sales,” or on the basis that there has been no significant change in economic position. Persons exchanging securities for Creation Units or redeeming Creation Units should consult their own tax adviser with respect to whether wash sale rules apply and when a loss might be deductible and the tax treatment of any creation or redemption transaction.
Under current U.S. federal income tax laws, any capital gain or loss realized upon a redemption (or creation) of Creation Units is generally treated as long-term capital gain or loss if the Fund shares (or securities surrendered) have been held for more than one year and as a short-term capital gain or loss if the Fund shares (or securities surrendered) have been held for one year or less.
Other Information. An additional 3.8% Medicare tax is imposed on certain net investment income (including ordinary dividends and capital gain distributions received from a Fund and net gains from redemptions or other taxable dispositions of Fund shares) of U.S. individuals, estates and trusts to the extent that such person’s “modified adjusted gross income” (in the case of an individual) or “adjusted gross income” (in the case of an estate or trust) exceeds certain threshold amounts.
You may be subject to backup withholding at a rate of 24% with respect to taxable distributions if you do not provide your correct taxpayer identification number, or certify that it is correct, or if you have been notified by the IRS that you are subject to backup withholding.
Shareholders who are not citizens or residents of the United States and certain foreign entities will generally be subject to withholding of U.S. tax of 30% on distributions made by a Fund of investment income and short-term capital gains.
Withholding of U.S. tax is required (at a 30% rate) on payments of taxable dividends made to certain non-U.S. entities that fail to comply (or be deemed compliant) with extensive reporting and withholding requirements designed to inform the U.S. Department of the Treasury of U.S.-owned foreign investment accounts. Shareholders may be requested to provide additional information to a Fund to enable the Fund to determine whether withholding is required.
Reporting to you and the IRS is required annually on Form 1099-B with respect to not only the gross proceeds of Fund shares you sell or redeem but also their cost basis. Shareholders should contact their intermediaries with respect to reporting of cost basis and available elections with respect to their accounts. You should carefully review the cost basis information provided by the applicable intermediary and make any additional basis, holding period or other adjustments that are required when reporting these amounts on your federal income tax returns.
Because each investor’s tax circumstances are unique and the tax laws may change, you should consult your tax advisor about your investment.
It is not expected that shareholders of Calvert US Large-Cap Diversity, Equity and Inclusion Index ETF would receive a charitable contribution or other tax benefit in respect of the Adviser’s contributions.
Tax-Advantaged Product Structure
Unlike interests in many conventional mutual funds, the shares are traded throughout the day on a national securities exchange, whereas mutual fund interests are typically only bought and sold at closing NAVs. The shares have been designed to be tradable in the secondary market on a national securities exchange on an intra-day basis, and to be created and redeemed in Creation Units at each day’s next calculated NAV. For each of the Funds, shares are created and redeemed principally in kind. The in-kind arrangements are designed to protect ongoing shareholders from adverse effects on a Fund’s portfolio that could arise from frequent cash creation and redemption transactions. In a conventional mutual fund, redemptions can have an adverse tax impact on taxable shareholders because the mutual fund may need to sell portfolio securities to obtain cash to meet fund redemptions. These sales may generate taxable gains for the shareholders of the mutual fund, whereas the shares’ in-kind redemption mechanism generally will not lead to a tax event for a Fund or its ongoing shareholders.  There is no guarantee that these tax advantages will be realized or will materially reduce the amount of taxable capital gains distributed by a Fund to shareholders. To the extent a Fund substitutes cash in lieu of certain portfolio securities for redemption transactions, the Fund may be required to sell portfolio securities and subsequently recognize gains on such sales that the Fund might not have recognized if it were to distribute such portfolio securities in-kind.
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Description of Underlying Indices
The Calvert Diversity Research Indices and Calvert US Responsible Indices (collectively, the “Indices” and each, an “Index”) are proprietary indices owned by Calvert. Each Index is composed of companies that meet Calvert’s requirements for Index inclusion as described in this document and in each Index’s rules and methodology. The Indices are as follows:
Calvert US Large-Cap Diversity Research Index (Ticker: CALDEI)
 
Calvert International Responsible Index (Ticker: CALDMI)
 
Calvert US Large-Cap Core Responsible Index (Ticker: CALCOR)
 
Calvert US Mid-Cap Core Responsible Index (Ticker: CALMID)
 
The Calvert Index Committee (the “Committee”) is composed of at least two members who are appointed by and may include Calvert’s Chief Executive Officer. The Committee oversees each Index and will be responsible for approving any changes in the Index rules and methodology, as described herein, and for overseeing construction of each Index and the activities of the calculation agent, Solactive AG (the “Calculation Agent”). Calvert will derive the universe for each Index on an annual basis. As described above, each Fund seeks to track the performance of a specific Index. Calvert seeks to include in the Indices issuers that manage ESG  risk exposures adequately and that are not exposed to excessive ESG risk through their principal business activities. Companies included in an Index are analyzed using The Calvert Principles (included as Appendix A to this Prospectus), a framework for considering ESG factors. Each issuer is evaluated relative to an appropriate peer group based on financially material ESG factors as determined by Calvert. Calvert’s evaluation of a particular security’s responsible investing characteristics generally involves both quantitative and qualitative analysis. In assessing investments, Calvert generally focuses on the ESG factors relevant to the issuer’s operations, and an issuer may be acceptable for investment based primarily on such assessment. Securities may be deemed suitable for investment even if the issuer does not operate in accordance with all elements of the Fund’s responsible investing criteria. In assessing issuers for which quantitative data is limited, subjective judgments may serve as the primary basis for Calvert’s evaluation. Calvert’s Index Committee may, in its discretion, remove an Index component before the next reconstitution if it has been determined that such Index component no longer meets the Calvert Principles or, if Calvert’s Index Committee determines, based on information available to Calvert, that such Index component has exposure to a product and/or environmental factor that is believed to present significant health or environmental risks. Calvert’s Index Committee may also, in its discretion, add to an Index at its next rebalance (i) a company that was previously excluded from an Index Universe if it had been determined that such company meets the Calvert Principles; or (ii) a company that was previously excluded by Calvert’s Index Committee if Calvert’s Index Committee has determined that such company no longer presents significant health or environmental risks.
Index Disclaimers
Calvert and each Fund make no representation or warranty, express or implied, to the owners of shares of a Fund or any member of the public regarding the advisability of investing in securities generally or in a Fund particularly or the ability of the Index to track general stock market performance. Calvert is the owner of each Index. Calvert has no obligation to take the needs of a Fund or the owners of shares of a Fund, or the requirements of the 1940 Act, into consideration in determining, composing, or calculating each Index. Calvert and each Fund do not guarantee the accuracy, completeness, or performance of each Index or the data included therein and shall have no liability in connection with each Index or Index calculation. An Index’s past performance is not necessarily an indication of how the Index will perform in the future. It is not possible to invest directly in an Index. Calvert has contracted with an independent calculation agent to calculate each Index. The method for calculating and constructing each Index may change over time.
Potential Conflicts of Interest
As a diversified global financial services firm, Morgan Stanley, the parent company of the Adviser, engages in a broad spectrum of activities, including financial advisory services, investment management activities, lending, commercial banking, sponsoring and managing private investment funds, engaging in broker-dealer transactions and principal securities, commodities and foreign exchange transactions, research publication and other activities. In the ordinary course of its business, Morgan Stanley is a full-service investment banking and financial services firm and therefore engages in activities where Morgan Stanley’s interests or the interests of its clients may conflict with the interests of a Fund. Morgan Stanley advises clients and sponsors, manages or advises other investment funds and investment programs, accounts and businesses (collectively, together with any new or successor funds, programs, accounts or businesses, the ‘‘Affiliated Investment Accounts’’) with a wide variety of investment objectives that in some instances may overlap or conflict with a Fund’s investment objectives and present conflicts of interest. In addition, Morgan Stanley may also from time to time create new or successor Affiliated Investment Accounts that may compete with a Fund and present similar conflicts of interest. The discussion below enumerates certain actual, apparent and potential conflicts of interest. There is no assurance that conflicts of interest will be resolved in favor of Fund shareholders and, in fact, they may not be. Conflicts of interest not described below may also exist.
For more information about conflicts of interest, see the section entitled “Potential Conflicts of Interest” in the SAI.
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Calvert  |  Shareholder Information 
Shareholder Information (Con’t) 
Material Nonpublic Information. It is expected that confidential or material nonpublic information regarding an investment or potential investment opportunity may become available to the Adviser. If such information becomes available, the Adviser may be precluded (including by applicable law or internal policies or procedures) from pursuing an investment or disposition opportunity with respect to such investment or investment opportunity. Morgan Stanley has established certain information barriers and other policies to address the sharing of information between different businesses within Morgan Stanley. In limited circumstances, however, including for purposes of managing business and reputational risk, and subject to policies and procedures and any applicable regulations, personnel, including personnel of the Adviser, on one side of an information barrier may have access to information and personnel on the other side of the information barrier through “wall crossings.” The Adviser faces conflicts of interest in determining whether to engage in such wall crossings. Information obtained in connection with such wall crossings may limit or restrict the ability of the Adviser to engage in or otherwise effect transactions on behalf of the Funds (including purchasing or selling securities that the Adviser may otherwise have purchased or sold for a Fund in the absence of a wall crossing).
Investments by Morgan Stanley and its Affiliated Investment Accounts. In serving in multiple capacities to Affiliated Investment Accounts, Morgan Stanley, including the Adviser and the Investment team, may have obligations to other clients or investors in Affiliated Investment Accounts, the fulfillment of which may not be in the best interests of a Fund or its shareholders. A Fund’s investment objectives may overlap with the investment objectives of certain Affiliated Investment Accounts. As a result, the members of an Investment team may face conflicts in the allocation of investment opportunities among a Fund and other investment funds, programs, accounts and businesses advised by or affiliated with the Adviser. Certain Affiliated Investment Accounts may provide for higher management or incentive fees or greater expense reimbursements or overhead allocations, all of which may contribute to this conflict of interest and create an incentive for the Adviser to favor such other accounts. To seek to reduce potential conflicts of interest and to attempt to allocate such investment opportunities in a fair and equitable manner, the Adviser has implemented allocation policies and procedures. These policies and procedures are intended to give all clients of the Adviser, including the Funds, fair access to investment opportunities consistent with the requirements of organizational documents, investment strategies, applicable laws and regulations, and the fiduciary duties of the Adviser.
Payments to Broker-Dealers and Other Financial Intermediaries. The Adviser and/or the Distributor may pay compensation, out of their own funds and not as an expense of a Fund, to certain Financial Intermediaries (which may include affiliates of the Adviser and Distributor), including recordkeepers and administrators of various deferred compensation plans, in connection with the sale, distribution, marketing and retention of shares of the Fund and/or shareholder servicing. The prospect of receiving, or the receipt of, additional compensation, as described above, by Financial Intermediaries may provide such Financial Intermediaries and their financial advisors and other salespersons with an incentive to favor sales of shares of a Fund over other investment options with respect to which these Financial Intermediaries do not receive additional compensation (or receives lower levels of additional compensation). These payment arrangements, however, will not change the price that an investor pays for shares of a Fund or the amount that the Fund receives to invest on behalf of an investor. Investors may wish to take such payment arrangements into account when considering and evaluating any recommendations relating to Fund shares and should review carefully any disclosures provided by Financial Intermediaries as to their compensation. In addition, in certain circumstances, the Adviser restricts, limits or reduces the amount of a Fund’s investment, or restricts the type of governance or voting rights it acquires or exercises, where the Fund (potentially together with Morgan Stanley) exceeds a certain ownership interest, or possesses certain degrees of voting or control or has other interests.
Morgan Stanley Trading and Principal Investing Activities. Notwithstanding anything to the contrary herein, Morgan Stanley will generally conduct its sales and trading businesses, publish research and analysis, and render investment advice without regard for a Fund’s holdings, although these activities could have an adverse impact on the value of one or more of the Fund’s investments, or could cause Morgan Stanley to have an interest in one or more portfolio investments that is different from, and potentially adverse to, that of a Fund.
Morgan Stanley’s Investment Banking and Other Commercial Activities. Morgan Stanley advises clients on a variety of mergers, acquisitions, restructuring, bankruptcy and financing transactions. Morgan Stanley may act as an advisor to clients, including other investment funds that may compete with a Fund and with respect to investments that a Fund may hold. Morgan Stanley may give advice and take action with respect to any of its clients or proprietary accounts that may differ from the advice given, or may involve an action of a different timing or nature than the action taken, by a Fund. Morgan Stanley may give advice and provide recommendations to persons competing with a Fund and/or any of a Fund’s investments that are contrary to the Fund’s best interests and/or the best interests of any of its investments. Morgan Stanley’s activities on behalf of its clients (such as engagements as an underwriter or placement agent) may restrict or otherwise limit investment opportunities that may otherwise be available to a Fund.
Morgan Stanley may be engaged to act as a financial advisor to a company in connection with the sale of such company, or subsidiaries or divisions thereof, may represent potential buyers of businesses through its mergers and acquisition activities and may provide lending and other related financing services in connection with such transactions. Morgan Stanley’s compensation for such activities is usually based upon realized consideration and is usually contingent, in substantial part, upon the closing of the transaction. Under these circumstances, the Fund may be precluded from participating in a transaction with or relating to the company being sold or participating in any financing activity related to a merger or an acquisition.
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Calvert  |  Financial Highlights 
Financial Highlights 
The financial highlights tables that follow are intended to help you understand the financial performance of the shares of the Funds  since inception. Certain information reflects financial results for a single Fund share. The total returns in the tables represent the rate that an investor would have earned (or lost) on an investment in the  Funds (assuming reinvestment of all dividends and distributions).
The information below has been derived from the financial statements audited by  Ernst & Young LLP, the Funds’  independent registered public accounting firm. Ernst & Young LLP’s report, along with the Funds’ financial statements, are incorporated by reference into the Funds’  SAI. The Annual Report to Shareholders (which includes the Funds’ financial statements) and SAI are available at no cost from the Trust at the toll-free number noted on the back cover to this Prospectus.
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Calvert  |  Financial Highlights 
Calvert International Responsible Index ETF 
 
Selected Per Share Data and Ratios
Period from  January 30, 2023(1)
to September 30, 2023
Net Asset Value, Beginning of Period
$
50.00
Income (Loss) from Investment Operations:
 
Net Investment Income(2)
 
1.02
Net Realized and Unrealized Loss
 
(1.82
)
Total from Investment Operations
 
(0.80
)
Distributions from and/or in Excess of:
 
Net Investment Income
 
(0.79
)
Net Asset Value, End of Period
$
48.41
Total Return(3)
 
(1.66
)%
(4)
Ratios to Average Net Assets and Supplemental Data:
 
Net Assets, End of Period (Thousands)
$
58,090
Ratio of Expenses
 
0.18
%
(5)(6)
Ratio of Net Investment Income
 
3.01
%
(5)(6)
Ratio of Rebate from Morgan Stanley Affiliates
 
0.00
%
(5)(7)
Portfolio Turnover Rate
 
13
%
(4)(8)
(1)
Commencement of Operations.
(2)
Per share amount is based on average shares outstanding.
(3)
Calculated based on the net asset value as of the last business day of the period.
(4)
Not annualized.
(5)
Annualized.
(6)
The Ratio of Expenses and Ratio of Net Investment Income reflect the rebate of certain Fund expenses in connection with the investments in Morgan Stanley affiliates during the period. The effect of the rebate on the ratios is disclosed in the above table as “Ratio of Rebate from Morgan Stanley Affiliates.”
(7)
Amount is less than 0.005%.
(8)
In-kind transactions are not included in portfolio turnover calculations.
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Calvert  |  Financial Highlights 
Calvert US Large-Cap Core Responsible Index ETF 
 
Selected Per Share Data and Ratios
Period from  January 30, 2023(1)
to September 30, 2023
Net Asset Value, Beginning of Period