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Summary Prospectus

Touchstone Strategic Income Opportunities ETFApril 28, 2023

Ticker Symbol: SIO

Principal U.S. Listing Exchange: NYSE Arca

Before you invest, you may want to review the Fund’s prospectus, which contains information about the Fund and its risks. The Fund’s prospectus and Statement of Additional Information, both dated April 28, 2023, as amended from time to time, are incorporated by reference into this summary prospectus. For free paper or electronic copies of the Fund’s prospectus and other information about the Fund, go to TouchstoneInvestments.com/Resources, call (833) 368-7383, or ask a financial intermediary through which shares of the Fund are sold.

Touchstone Strategic Income Opportunities ETF Summary

The Fund’s Investment Goal

The Touchstone Strategic Income Opportunities ETF (the “Fund”) seeks a high level of current income with a focus on capital preservation.

The Fund’s Fees and Expenses

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and example below.

	Touchstone Strategic Income Opportunities ETF
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Management Fees	0.55%
Distribution and/or Shareholder Service (12b-1) Fees(1)	0.00%
Other Expenses(2)	0.34%
Total Annual Fund Operating Expenses	0.89%
Fee Waiver and/or Expense Reimbursement(3)	(0.24)%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement(3)	0.65%

(1)

The Fund has adopted a Distribution (12b-1) Plan pursuant to which the Fund may incur and pay a Distribution (12b-1) Fee of up to a maximum of 0.25%. No such fee is currently incurred and paid by the Fund. The Fund will not incur and pay such a Distribution (12b-1) Fee until such time as approved by the Fund’s Board of Trustees (the “Board”).

(2)

“Other Expenses” are based on estimated amounts for the current fiscal year.

(3)

Touchstone Advisors, Inc. (the “Adviser” or “Touchstone Advisors”) and Touchstone ETF Trust (the “Trust”) have entered into a contractual expense limitation agreement whereby Touchstone Advisors will waive a portion of its fees or reimburse certain Fund expenses (excluding dividend and interest expenses relating to short sales; interest; taxes; brokerage commissions and other transaction costs; portfolio transaction and investment related expenses, including expenses associated with the Fund's interfund lending program, if any; other expenditures which are capitalized in accordance with U.S. generally accepted accounting principles; the cost of “Acquired Fund Fees and Expenses”, if any; and other extraordinary expenses not incurred in the ordinary course of business) in order to limit annual Fund operating expenses to 0.65% of average daily net assets. This contractual expense limitation is effective through April 29, 2024, but can be terminated by a vote of the Board if it deems the termination to be beneficial to the Fund’s shareholders. The terms of the contractual expense limitation agreement provide that Touchstone Advisors is

Touchstone Strategic Income Opportunities ETFApril 28, 2023

entitled to recoup, subject to approval by the Board, such amounts waived or reimbursed for a period of up to three years from the date on which the Adviser reduced its compensation or assumed expenses for the Fund. The Fund will make repayments to the Adviser only if such repayment does not cause the annual Fund operating expenses (after the repayment is taken into account) to exceed either (1) the expense cap in place when such amounts were waived or reimbursed or (2) the Fund’s current expense limitation.

Example. This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other exchange-traded funds (“ETFs”). The example assumes that you invest $10,000 in the Fund for the time periods indicated and then, except as indicated, redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year, that the Fund’s operating expenses remain the same and that all fee waivers or expense limits for the Fund will expire after one year. Although your actual costs may be higher or lower, based on these assumptions your costs would be:


1 Year	$66
3 Years	$260

Portfolio Turnover. The Fund pays transaction costs, such as brokerage 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. The Fund commenced operations on July 21, 2022. The portfolio turnover rate that represents the period from commencement of operations July 21, 2022 through December 31, 2022 was 47% of the average value of the Fund's portfolio.

The Fund’s Principal Investment Strategies

The Fund invests, under normal market conditions, at least 80% of its assets in income producing fixed-income securities. This is a non-fundamental investment policy that the Fund’s Board can change upon 60 days’ prior notice to shareholders. Income producing securities generally include corporate debt securities, mortgage-related securities, asset-backed securities, government securities (both U.S. government securities and foreign sovereign debt), and preferred stocks. The Fund will engage in frequent and active trading as part of its principal investment strategies.

The Fund’s sub-adviser, Fort Washington Investment Advisors, Inc. (“Fort Washington”), seeks to employ a high conviction, yield-oriented investment approach with a relatively focused number of issuers, coupled with sector diversification and diligent risk management intended to result in attractive risk-adjusted returns via high levels of income. In selecting individual securities for the Fund, Fort Washington applies a rigorous bottom-up security selection process. A key characteristic of this process is the identification and implementation of high conviction ideas that can result in meaningful alpha generation. Fort Washington utilizes a variety of proprietary tools to assist with security screening and analysis.

A starting point for Fort Washington’s identification of attractive opportunities is the quantification of return potential along with associated risk. Fort Washington seeks to identify opportunities with the highest level of expected return relative to the risk. Fort Washington quantifies risk as downside risk (i.e., what can happen in a recession), not volatility. The quantification of risk and reward are an important part of the investment process that is combined with the company specific credit analysis.

In building the Fund’s portfolio, Fort Washington invests at least 50% of the Fund’s portfolio in investment-grade rated debt securities. The Fund may also invest up to 50% of the Fund’s portfolio in non-investment-grade debt securities. Non-investment-grade debt securities are often referred to as “junk bonds” and are considered speculative. The Fund’s investment policies are based on credit ratings at the time of purchase. The proportion of non-investment grade debt is influenced by the top-down component of Fort Washington’s investment process

Touchstone Strategic Income Opportunities ETFApril 28, 2023

that assesses the current macro environment focusing on trends in the global economy, financial conditions, sentiment, and valuation. Generally, the exposure to non-investment grade debt increases when credit spreads are wide, taking account of economic growth, financial conditions, and sentiment. The Fund may also invest up to 20% of its total assets in income producing fixed-income securities that are emerging markets debt securities denominated in either the U.S. dollar or a foreign currency.

Additionally, in order to implement its investment strategy, the Fund may invest in mortgage dollar-roll transactions, reverse repurchase agreements, and other derivatives, including forwards, futures contracts, interest rate and credit default swap agreements, and options. These investments may be used to gain or hedge market exposure, to adjust the Fund’s duration, to manage interest rate risk, and for any other purposes consistent with the Fund’s investment strategies and limitations. Outside of the Fund’s policy to invest at least 80% of its assets in income producing fixed-income securities, the Fund may also invest up to 20% of its assets in public equities.

The Fund will generally sell a security if the price/yield no longer adequately compensates for the risk profile or if there is a change to allocation between sectors based on relative value.

The Fund’s Principal Risks

The Fund’s share price will fluctuate. You could lose money on your investment in the Fund and the Fund could also return less than other investments. Investments in the Fund are not bank guaranteed, are not deposits, and are not insured by the Federal Deposit Insurance Corporation or any other federal government agency. As with any ETF, there is no guarantee that the Fund will achieve its investment goal. You can find more information about the Fund’s investments and risks under the “Principal Investment Strategies and Risks” section of the Fund’s prospectus. The Fund is subject to the principal risks summarized below.

Fixed-Income Risk: The market value of the Fund’s fixed-income securities responds to economic developments, particularly interest rate changes, as well as to perceptions about the creditworthiness of individual issuers, including governments. Generally, the Fund’s fixed-income securities will decrease in value if interest rates rise and increase in value if interest rates fall. Normally, the longer the maturity or duration of the fixed-income securities the Fund owns, the more sensitive the value of the Fund’s shares will be to changes in interest rates.

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Non-Investment-Grade Debt Securities Risk: Non-investment-grade debt securities are sometimes referred to as “junk bonds” and are considered speculative with respect to their issuers’ ability to make payments of interest and principal. There is a high risk that the Fund could suffer a loss from investments in non-investment-grade debt securities caused by the default of an issuer of such securities. Non-investment-grade debt securities may also be less liquid than investment- grade debt securities.

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Asset-Backed Securities Risk: Asset-backed securities are fixed-income securities backed by other assets such as credit card, automobile or consumer loan receivables, retail installment loans, or participations in pools of leases. The values of these securities are sensitive to changes in the credit quality of the underlying collateral, the credit strength of any credit enhancement feature, changes in interest rates, and, at times, the financial condition of the issuer.

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Mortgage-Backed Securities Risk: Mortgage-backed securities are fixed-income securities representing an interest in a pool of underlying mortgage loans. Mortgage-backed securities are sensitive to changes in interest rates, but may respond to these changes differently from other fixed-income securities due to the possibility of prepayment of the underlying mortgage loans. Mortgage-backed securities may fluctuate in price based on deterioration in the value of the collateral underlying the pool of mortgage loans, which may result in the collateral being worth less than the remaining principal amount owed on the mortgages in the pool.

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Credit Risk: The fixed-income securities in the Fund’s portfolio are subject to the possibility that a deterioration, whether sudden or gradual, in the financial condition of an issuer, or a deterioration in general

Touchstone Strategic Income Opportunities ETFApril 28, 2023

economic conditions, could cause an issuer to fail to make timely payments of principal or interest, when due. This may cause the issuer’s securities to decline in value.

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Interest Rate Risk: In general, when interest rates rise, the prices of debt securities fall, and when interest rates fall, the prices of debt securities rise. The price volatility of a debt security also depends on its maturity. Longer-term securities are generally more volatile, so the longer the average maturity or duration of these securities, the greater their price risk. Duration is a measure used to determine the sensitivity of a security’s price to changes in interest rates that incorporates a security’s yield, coupon, final maturity, and call features, among other characteristics. The longer a fixed-income security’s duration, the more sensitive it will be to changes in interest rates. Maturity, on the other hand, is the date on which a fixed-income security becomes due for payment of principal. Recent and potential future changes in government policy may affect interest rates.

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Investment-Grade Debt Securities Risk: Investment-grade debt securities may be downgraded by a nationally recognized statistical rating organization (“NRSRO”) to below-investment-grade status, which would increase the risk of holding these securities. Investment-grade debt securities rated in the lowest rating category by a NRSRO involve a higher degree of risk than fixed-income securities with higher credit ratings.

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U.S. Government Securities Risk: Certain U.S. government securities are backed by the right of the issuer to borrow from the U.S. Treasury while others are supported only by the credit of the issuer or instrumentality. While the U.S. government is able to provide financial support to U.S. government-sponsored agencies or instrumentalities, no assurance can be given that it will always do so. Such securities are generally neither issued nor guaranteed by the U.S. Treasury.

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Prepayment Risk: The risk that a debt security may be paid off and proceeds reinvested earlier than anticipated. Prepayment impacts both the interest rate sensitivity of the underlying asset, such as an asset-backed or mortgage-backed security and its cash flow projections. Therefore, prepayment risk may make it difficult to calculate the average duration of the Fund’s asset- or mortgage-backed securities which in turn would make it difficult to assess the interest rate risk of the Fund.

ETF Risk: As an ETF, the Fund is subject to the following risks:

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Authorized Participants Concentration Risk: The Fund has a limited number of financial institutions that may act as Authorized Participants (“APs”), which are responsible for the creation and redemption activity for the Fund. To the extent APs exit the business, become unable or are otherwise unwilling to engage in creation and redemption transactions with the Fund and no other AP steps in to create or redeem, Fund shares may trade at a material discount to net asset value (“NAV”) and possibly face delisting from the Exchange.

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Premium/Discount Risk: As with all ETFs, Fund shares may only be bought and sold in the secondary market at market prices. There may be times when the trading prices of Fund shares in the secondary market are more than the NAV (a premium) or less than the NAV (a discount). As a result, shareholders of the Fund may pay more than NAV when purchasing shares and receive less than NAV when selling Fund shares. This risk is heightened in times of market volatility or periods of steep market declines. In such market conditions, market or stop loss orders to sell Fund shares may be executed at prices well below a Fund’s NAV.

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Secondary Market Trading Risk: Investors buying or selling shares in the secondary market will normally pay brokerage commissions, which are often a fixed amount and may be a significant proportional cost for investors buying or selling relatively small amounts of Fund shares. Secondary market trading is subject to bid-ask spreads and trading in Fund shares may be halted by the Exchange because of market conditions or other reasons. If a trading halt occurs, a shareholder may temporarily be unable to purchase or sell shares of

Touchstone Strategic Income Opportunities ETFApril 28, 2023

the Fund. In addition, although the Fund’s shares are listed on the Exchange, there can be no assurance that an active trading market for shares will develop or be maintained or that the Fund’s shares will continue to be listed.

Management Risk: In managing the Fund’s portfolio, the Adviser engages one or more sub-advisers to make investment decisions for a portion of or the entire portfolio. There is a risk that the Adviser may be unable to identify and retain sub-advisers who achieve superior investment returns relative to other similar sub-advisers.

Economic and Market Events Risk: Events in the U.S. and global financial markets, including actions taken by the U.S. Federal Reserve or foreign central banks to stimulate or stabilize economic growth, may at times, and for varying periods of time, result in unusually high market volatility, which could negatively impact the Fund’s performance and cause the Fund to experience illiquidity, shareholder redemptions, or other potentially adverse effects. Reduced liquidity in credit and fixed-income markets could negatively affect issuers worldwide. Financial institutions could suffer losses as interest rates rise or economic conditions deteriorate. In addition, the Funds' service providers are susceptible to operational and information or cyber security risks that could result in losses to a Fund and its shareholders. Cyber security breaches are either intentional or unintentional events that allow an unauthorized party to gain access to Fund assets, customer data, or proprietary information, or cause a Fund or Fund service provider to suffer data corruption or lose operational functionality. A cyber security breach could result in the loss or theft of customer data or funds, loss or theft of proprietary information or corporate data, physical damage to a computer or network system, or costs associated with system repairs, any of which could have a substantial impact on a Fund. Such incidents could affect issuers in which a Fund invests, thereby causing the Fund’s investments to lose value.

Equity Securities Risk: The Fund is subject to the risk that stock prices will fall over short or extended periods of time. Individual companies may report poor results or be negatively affected by industry and/or economic trends and developments, or as a result of irregular and/or unexpected trading activity among retail investors. The prices of securities issued by these companies may decline in response to such developments, which could result in a decline in the value of the Fund’s shares.

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Preferred Stock Risk: In the event an issuer is liquidated or declares bankruptcy, the claims of owners of bonds take precedence over the claims of those who own preferred and common stock. If interest rates rise, the fixed dividend on preferred stocks may be less attractive, causing the price of preferred stocks to decline.

Foreign Securities Risk: Investing in foreign securities poses additional risks since political and economic events unique in a country or region will affect those markets and their issuers, while such events may not necessarily affect the U.S. economy or issuers located in the United States. In addition, investments in foreign securities are generally denominated in foreign currency. As a result, changes in the value of those currencies compared to the U.S. dollar may affect (positively or negatively) the value of the Fund’s investments. There are also risks associated with foreign accounting standards, government regulation, market information, and clearance and settlement procedures. Foreign markets may be less liquid and more volatile than U.S. markets and offer less protection to investors.

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Emerging Markets Risk: Emerging markets may be more likely to experience political turmoil or rapid changes in market or economic conditions than more developed countries. In addition, the financial stability of issuers (including governments) in emerging market countries may be more precarious than that of issuers in other countries.

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Sovereign Debt Risk: The actions of foreign governments concerning their respective economies could have an important effect on their ability or willingness to service their sovereign debt. Such actions could have significant effects on market conditions and on the prices of securities and instruments held by the Fund, including the securities and instruments of foreign private issuers.

Touchstone Strategic Income Opportunities ETFApril 28, 2023

Derivatives Risk: The use of derivatives may expose the Fund to additional risks that it would not be subject to if it invested directly in the securities underlying those derivatives. Risks associated with derivatives may include the risk that the derivative does not correlate well with the security, index, or currency to which it relates, the risk that the Fund will be unable to sell or close out the derivative due to an illiquid market, the risk that the counterparty may be unwilling or unable to meet its obligations, and the risk that the derivative could expose the Fund to the risk of magnified losses resulting from leverage. These additional risks could cause the Fund to experience losses to which it would otherwise not be subject.

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Leverage Risk: Leverage occurs when the Fund uses borrowings, derivatives (such as futures or options), or similar instruments or techniques to gain exposure to investments in an amount that exceeds the Fund’s initial investment. The use of leverage magnifies changes in the Fund’s net asset value and thus may result in increased portfolio volatility and increased risk of loss. Leverage can create an interest expense that may lower the Fund’s overall returns. There can be no guarantee that a leveraging strategy will be successful.

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Forward Foreign Currency Exchange Contract Risk: A forward foreign currency exchange contract is an agreement to buy or sell a specific currency at a future date and at a price set at the time of the contract. Forward foreign currency exchange contracts may reduce the risk of loss from a change in value of a currency, but they also limit any potential gains and do not protect against fluctuations in the value of the underlying position.

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Futures Contracts Risk: The risks associated with the Fund’s futures positions include liquidity and counterparty risks associated with derivative instruments.

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Options Risk: Options trading is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. The value of options can be highly volatile, and their use can result in loss if the sub-adviser is incorrect in its expectation of price fluctuations. Options, whether exchange traded or over-the-counter, may also be illiquid.

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Swap Agreements Risk: Swap agreements (“swaps”) are individually negotiated and structured to include exposure to a variety of different types of investments or market factors. Swaps may increase or decrease the overall volatility of the investments of the Fund and its share price. The performance of swaps may be affected by a change in the specific interest rate, currency, or other factors that determine the amounts of payments due to and from the Fund. A swap can be a form of leverage, which can magnify the Fund’s gains or losses.

Mortgage Dollar Roll Risk: Mortgage “dollar rolls” are transactions in which mortgage-backed securities are sold for delivery in the current month and the seller simultaneously contracts to repurchase substantially similar securities on a specified future date. If the broker-dealer to whom the Fund sells the security becomes insolvent, the Fund’s right to repurchase the security may be restricted. Other risks involved in entering into mortgage dollar rolls include the risk that the value of the security may change adversely over the term of the mortgage dollar roll and that the security the Fund is required to repurchase may be worth less than the security that the Fund held.

Portfolio Turnover Risk: Frequent and active trading may result in greater expenses to the Fund, which may lower the Fund’s performance and may result in the realization of substantial capital gains, including net short-term capital gains. As a result, high portfolio turnover may reduce the Fund’s returns.

Repurchase Agreement Risk: Under all repurchase agreements entered into by the Fund, the Fund’s custodian or its agent must take possession of the underlying collateral. However, if the counterparty defaults, the Fund could realize a loss on the sale of the underlying security to the extent that the proceeds of sale, including accrued interest, are less than the resale price provided in the agreement including interest. In addition, even though the Bankruptcy Code provides protection for most repurchase agreements, if the seller should be involved in bankruptcy or

Touchstone Strategic Income Opportunities ETFApril 28, 2023

insolvency proceedings, the Fund may incur delay and costs in selling the underlying security or may suffer a loss of principal and interest if the Fund is treated as an unsecured creditor and is required to return the underlying security to the seller’s estate. Repurchase agreements are considered loans by the Fund.

The Fund’s Performance

The Fund’s performance information is only shown when it has had a full calendar year of operations. Since the Fund commenced operations in 2022, there is no performance information included in this prospectus.

The Fund’s Management

Investment Adviser

Touchstone Advisors, Inc. serves as the Fund’s investment adviser.

Sub-Adviser	Portfolio Managers	Investment Experience with the Fund	Primary Title with Sub-Adviser
Fort Washington Investment Advisors, Inc.	Daniel J. Carter, CFA	Since inception in July 2022	Managing Director and Senior Portfolio Manager
	Austin R. Kummer, CFA	Since inception in July 2022	Vice President, Senior Portfolio Manager
	Brendan M. White, CFA	Since inception in July 2022	Senior Vice President, Co-Chief Investment Officer and Portfolio Manager

Buying and Selling Fund Shares

The Fund is an ETF. Individual Fund shares may only be purchased and sold on a national securities exchange through a broker-dealer and may not be purchased or redeemed directly with the Fund. The price of Fund shares is based on market price, and because ETF shares trade at market prices rather than NAV, shares may trade at a price greater than NAV (a premium) or less than NAV (a discount). An investor may incur costs attributable to the difference between the highest price a buyer is willing to pay to purchase shares of the Fund (“bid”) and the lowest price a seller is willing to accept for shares (“ask”) when buying or selling shares in the secondary market (the “bid-ask spread”). Recent information, including information about the Fund’s NAV, market price, premiums and discounts, and bid-ask spreads, is included on the Fund’s website at TouchstoneInvestments.com/ETFs.

Tax Information

The Fund intends to make distributions that may be taxed as ordinary income or capital gains except when shares are held through a tax-advantaged account, such as a 401(k) plan or an IRA. Withdrawals from a tax-advantaged account, however, may be taxable.

Financial Intermediary Compensation

If you purchase shares in the Fund through a broker-dealer or other financial intermediary (such as a bank), the Adviser and its related companies may pay the intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the broker-dealer or other financial intermediary and your salesperson to recommend the Fund over another investment. Ask your salesperson or visit your financial intermediary’s website for more information.

ETF-2657-SIO-2304

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