Summary Prospectus by Investment Company - Form 497K

SUMMARY PROSPECTUS

September 27, 2024, as supplemented November 13, 2024 

UltraPro Short 20+ Year Treasury

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Investment Objective

ProShares UltraPro Short 20+ Year Treasury (the "Fund") seeks daily investment results, before fees and expenses, that correspond to three times the inverse (-3x) of the daily performance of the ICE U.S. Treasury 20+ Year Bond Index (the "Index").

Important Information About the Fund

If the Fund is successful in meeting its investment objective, it should gain approximately three times as much as the Index loses when the Index falls on a given day. Conversely, it should lose approximately three times as much as the Index gains when the Index rises on a given day. The Fund does not seek to achieve three times the inverse (-3x) of the daily performance of the Index (the "Daily Target") for any period other than a day.

While the Fund has a daily investment objective, you may hold Fund shares for longer than one day if you believe doing so is consistent with your goals and risk tolerance. If you hold fund shares for any period other than a day, it is important for you to understand that over your holding period:

●Your return may be higher or lower than the Daily Target, and this difference may be significant.

●Factors that contribute to returns that are worse than the Daily Target include smaller Index gains or losses and higher Index volatility, as well as longer holding periods when these factors apply.

●Factors that contribute to returns that are better than the Daily Target include larger Index gains or losses and lower Index volatility, as well as longer holding periods when these factors apply.

●The more extreme these factors are, and the more they occur together, the more your return will tend to deviate from the Daily Target.

Fees and Expenses of the Fund

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 other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. 

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Management Fees	0.75%
Other Expenses	0.23%
Total Annual Fund Operating Expenses Before Fee Waivers and Expense Reimbursements	0.98%
Fee Waiver/Reimbursement1	-0.03%
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements	0.95%

fees and to reimburse expenses to the extent Total Annual Fund Operating Expenses Before Fee Waivers and Expense Reimbursements, as a percentage of average daily net assets, exceed 0.95% through September 30, 2025. Amounts waived or reimbursed in a particular contractual period may be recouped by ProShare Advisors within five years subject to certain limitations.

Example: This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds.

The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of each period. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same, except that the fee waiver/expense reimbursement is assumed only to pertain to the first year. Although your actual costs may be higher or lower, based on these assumptions your approximate costs would be: 

1 Year	3 Years	5 Years	10 Years
$97	$309	$539	$1,199

The Fund pays transaction and financing costs associated with the purchase and sale of securities and derivatives. These costs are not reflected in the table or the example above.

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 the Fund's shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example above, affect the Fund's performance. During the most recent fiscal year, the Fund's annual portfolio turnover rate was 0% of the average value of its portfolio. This portfolio turnover rate is calculated without regard to cash instruments or derivatives transactions. If such transactions were included, the Fund's portfolio turnover rate would be significantly higher.

Principal Investment Strategies

The Fund invests in financial instruments that ProShare Advisors believes, in combination, should produce daily returns consistent with the Daily Target.

The Index is designed to measure the performance of U.S. dollar denominated sovereign debt publicly issued by the U.S. government. The Index includes fixed rate securities with a minimum term to maturity greater than 20 years. The Index excludes inflation-linked securities, Treasury bills, cash management bills, any government agency debt issued with or without a government guarantee and zero-coupon issues that have been stripped from coupon-paying bonds. The bonds included in the Index are weighted based on market capitalization. The Index's positions are reset each month. The Index

is constructed and maintained by ICE Data Indices, LLC. More information about the Index can be found using the Bloomberg ticker symbol "IDCOT20."

Under normal circumstances, the Fund will obtain inverse leveraged exposure to at least 80% of its total assets in components of the Index or in instruments with similar economic characteristics.

The Fund will invest principally in the financial instruments listed below.

●Derivatives - Financial instruments whose value is derived from the value of an underlying asset or rate, such as stocks, bonds, ETFs, interest rates or indexes. These derivatives principally include:

○Swap Agreements - Contracts entered into primarily with major global financial institutions for a specified period ranging from a day to more than one year. In a standard swap transaction, two parties agree to exchange or "swap" payments based on the change in value of an underlying asset or benchmark. For example, two parties may agree to exchange the return (or differentials in rates of returns) earned or realized on a particular investment or instrument.

○Futures Contracts - Standardized contracts that obligate the parties to buy or sell an asset at a predetermined price and date in the future.

●Money Market Instruments - The Fund expects that any cash balances maintained in connection with its use of derivatives will typically be held in high quality, short-term money market instruments, for example:

○U.S. Treasury Bills - U.S. government securities that have initial maturities of one year or less, and are supported by the full faith and credit of the U.S. government.

○Repurchase Agreements - Contracts in which a seller of securities, usually U.S. government securities or other money market instruments, agrees to buy the securities back at a specified time and price.

ProShare Advisors uses a mathematical approach to investing in which it determines the type, quantity and mix of investment positions that it believes, in combination, the Fund should hold to produce daily returns consistent with the Daily Target. For these purposes a day is measured from the time of one net asset value ("NAV") calculation to the next.

The Fund seeks to remain fully invested at all times in financial instruments that, in combination, provide inverse leveraged exposure consistent with the investment objective, without regard to market conditions, trends or direction. However, the Fund may invest in or gain exposure to only a representative sample of the securities in the Index or to securities not contained in the Index or in financial instruments, with the intent of obtaining inverse leveraged exposure consistent with the investment objective.

The Fund seeks to rebalance its portfolio each day so that its exposure to the Index is consistent with the Daily Target. The Index's movements during the day will affect whether the Fund's portfolio needs to be rebalanced. For example, if the Index has risen on a given day, net assets of the Fund should fall (assuming there were no Creation Units issued). As a result, the Fund's exposure will need to be decreased. Conversely, if the Index has fallen on a given day, net assets of the Fund should rise (assuming there were no Creation Unit redemptions). As a result, the Fund's exposure will need to be increased.

Please see "Investment Objectives, Principal Investment Strategies and Related Risks" in the Fund's Prospectus for additional details.

Principal Risks

You could lose money by investing in the Fund.

●Short or Inverse Investing Risk - You will lose money when the Index rises - a result that is the opposite from a traditional index fund. Obtaining inverse or "short" exposure may be considered an aggressive investment technique. The costs of obtaining this short exposure will lower your returns.

●Leverage Risk - The Fund uses leverage and will lose more money when the value of the Index rises than a similar fund that does not use leverage. The use of leverage increases the risk of a total loss of your investment. If the Index approaches a 33% gain at any point in the day, you could lose your entire investment. As a result, an investment in the Fund may not be suitable for all investors. The use of leverage increases the volatility of your returns. The cost of obtaining this leverage will lower your returns.

●Holding Period Risk - The performance of the Fund for periods longer than a single day will likely differ from the Daily Target. This difference may be significant. If you are considering holding fund shares for longer than a day, it's important that you understand the impact of Index returns and Index volatility (how much the value of the Index moves up and down from day-to-day) on your holding period return. Index volatility has a negative impact on Fund returns. During periods of higher Index volatility, the Index volatility may affect the Fund's returns as much as or more than the return of the Index.

The following table illustrates the impact of Index volatility and Index return on Fund returns for a hypothetical one-year period. However, these effects will impact your return for any holding period other than a day. The longer you hold shares of the Fund, the more magnified these effects will be. As a result, you should consider monitoring your investments in the Fund in light of your individual investment goals and risk tolerance.

In the table areas shaded darker represent those scenarios where the Fund can be expected to return less than the

Daily Target. As the table shows, your return will tend to be worse than the Daily Target when there are smaller Index gains or losses and higher Index volatility. Your return will tend to be better than the Daily Target when there are larger Index gains or losses and lower Index volatility. You may lose money when the Index return is flat (i.e., close to zero) and you may lose money when the Index falls.

The table uses hypothetical annualized Index volatility and Index returns to illustrate the impact of these two factors on Fund performance over a one-year period. It does not represent actual returns. Each row corresponds to the level of a hypothetical Index return for a one-year period. Each column corresponds to a level of hypothetical annualized Index volatility. For example, the Fund may mistakenly be expected to achieve a -60% return on a yearly basis if the annual Index return were 20%. However, as the table shows, with a one-year Index return of 20% and an annualized Index volatility of 50%, the Fund could be expected to return -87.10%. 

Estimated Fund Returns
Index Performance	One Year Volatility Rate
One Year Index	Three Times the Inverse (-3x) of the One Year Index	10%	25%	50%	75%	100%
-60%	180%	1371.5%	973.9%	248.6%	-46.5%	-96.1%
-50%	150%	653.4%	449.8%	78.5%	-72.6%	-98.0%
-40%	120%	336.0%	218.2%	3.3%	-84.2%	-98.9%
-30%	90%	174.6%	100.4%	-34.9%	-90.0%	-99.3%
-20%	60%	83.9%	34.2%	-56.4%	-93.3%	-99.5%
-10%	30%	29.2%	-5.7%	-69.4%	-95.3%	-99.7%
0%	0%	-5.8%	-31.3%	-77.7%	-96.6%	-99.8%
10%	-30%	-29.2%	-48.4%	-83.2%	-97.4%	-99.8%
20%	-60%	-45.5%	-60.2%	-87.1%	-98.0%	-99.9%
30%	-90%	-57.1%	-68.7%	-89.8%	-98.4%	-99.9%
40%	-120%	-65.7%	-75.0%	-91.9%	-98.8%	-99.9%
50%	-150%	-72.1%	-79.6%	-93.4%	-99.0%	-99.9%
60%	-180%	-77.0%	-83.2%	-94.6%	-99.2%	-99.9%

Assumes: (a) no dividends paid with respect to securities included in the Index; (b) no Fund expenses; and (c) borrowing/lending rates (to obtain inverse leveraged exposure) of zero percent. If these were included the Fund's performance would be different from that shown.

The Index's annualized historical volatility rate for the five-year period ended May 31, 2024 was 17.37%. The Index's highest May to May volatility rate during the five-year period was 21.17% (May 29, 2020). The Index's annualized total return performance for the five-year period ended May 31, 2024 was -5.02%. Historical Index volatility and performance do not predict future Index volatility and performance.

For more information, including additional graphs and charts demonstrating the effects of Index volatility and Index return on the long-term performance of the Fund, see

"Understanding the Risks and Long-Term Performance of a Daily Objective Fund" in the Fund's Prospectus.

●Correlation Risk - A number of factors may affect the Fund's ability to achieve a high degree of inverse leveraged correlation with the Index. Fees, expenses, transaction costs, financing costs associated with the use of derivatives, among other factors, will adversely impact the Fund's ability to meet its Daily Target. In addition, the Fund may not have inverse leveraged exposure to all of the securities in the Index, its weighting of securities may be different from that of the Index, and it may invest in instruments not included in the Index. Moreover, if for any reason the Fund is unable to rebalance all or a portion of its investments, the Fund may have exposure to the Index that is significantly greater or less than the Daily Target. Any of these factors may prevent the Fund from achieving exposure consistent with the Daily Target.

●Derivatives Risk - Investing in derivatives to obtain inverse leveraged exposure may be considered aggressive and may expose the Fund to greater risks including counterparty risk and correlation risk. The Fund may lose money if its derivatives do not perform as expected and may even lose money if they do perform as expected. Any costs associated with using derivatives will reduce the Fund's return.

●Counterparty Risk - The Fund may lose money if a counterparty does not meet its contractual obligations. With respect to swap agreements, if the Index has a dramatic intraday move that causes a material decline in the Fund's net assets, the terms of a swap agreement between the Fund and its counterparty may permit the counterparty to immediately close out the transaction with the Fund. In that event, the Fund may be unable to enter into another swap agreement or invest in other derivatives to achieve its investment objective.

●Debt Instrument Risk - Debt instruments are subject to adverse issuer, political, regulatory, market and economic developments, as well as developments that affect specific economic sectors, industries or segments of the market. Debt markets can be volatile and the value of instruments correlated with these markets may fluctuate dramatically from day to day.

●Interest Rate Risk - Interest rate risk is the risk that debt instruments or related financial instruments may fluctuate in value due to changes in interest rates. A wide variety of factors can cause interest rates to fluctuate (e.g., central bank monetary policies, inflation rates, general economic conditions, etc.). Commonly, investments subject to interest rate risk will decrease in value when interest rates rise and increase in value when interest rates decline. A rising interest rate environment may cause the value of debt instruments to decrease and adversely impact the liquidity of debt instruments. Without taking into account other factors, the value of securities with longer maturities typically fluctuates more in response to interest rate changes than

securities with shorter maturities. These factors may cause the value of an investment in the Fund to change. As a fund seeking daily investment results, before fees and expenses, that correspond to three times the inverse (-3x) of the daily return of the Index, the Fund's performance will generally be more favorable when interest rates rise and less favorable when interest rates decline.

●U.S. Treasury Market Risk - The U.S. Treasury market can be volatile, and the value of instruments correlated with these markets may fluctuate dramatically from day to day. U.S. Treasury obligations may provide relatively lower returns than those of other securities. Similar to other debt instruments, U.S. Treasury obligations are subject to debt instrument risk and interest rate risk. In addition, changes to the financial condition or credit rating of the U.S. Government may cause the value of U.S. Treasury obligations to decline.

●Money Market Instruments Risk - Adverse economic, political or market events affecting issuers of money market instruments, defaults by counterparties or changes in government regulations may have a negative impact on the performance of the Fund.

●Non-Diversification Risk - The Fund has the ability to invest a relatively high percentage of its assets in the securities of a small number of issuers or in financial instruments with a single counterparty or a few counterparties. This may increase the Fund's volatility and increase the risk that the Fund's performance will decline based on the performance of a single issuer or the credit of a single counterparty.

●Index Performance Risk - The Index used by the Fund may underperform other asset classes and may underperform other similar indices. The Index is maintained by a third party provider unaffiliated with the Fund or ProShare Advisors. There can be no guarantee that the methodology underlying the Index or the daily calculation of the Index will be free from error.

●Intraday Price Performance Risk - The intraday performance of Fund shares traded in the secondary market generally will be different from the performance of the Fund when measured from one NAV calculation-time to the next. When shares are bought intraday, the performance of the Fund's shares relative to the Index until the Fund's next NAV calculation time will generally be higher or lower than the Daily Target.

●Market Price Variance Risk - Investors buy and sell Fund shares in the secondary market at market prices. Market prices may be different from the NAV per share of the Fund (i.e.,

the secondary market price may trade at a price greater than NAV (a premium) or less than NAV (a discount)). The market price of the Fund's shares will fluctuate in response to changes in the value of the Fund's holdings, supply and demand for shares and other market factors.

●Early Close/Late Close/Trading Halt Risk - An exchange or market may close early, close late or issue trading halts on specific securities or financial instruments. In these circumstances, the Fund may be unable to rebalance its portfolio, may be unable to accurately price its investments and/or may incur substantial trading losses.

Please see "Investment Objectives, Principal Investment Strategies and Related Risks" in the Fund's Prospectus for additional details.

Investment Results

The bar chart below shows how the Fund's investment results have varied from year to year, and the table shows how the Fund's average annual total returns for various periods compare with different broad measures of market performance. This information provides some indication of the risks of investing in the Fund. In addition, the Fund's performance information reflects applicable fee waivers and/or expense limitations, if any, in effect during the periods presented. Absent such fee waivers/expense limitations, if any, performance would have been lower.   Past results (before and after taxes) are not predictive of future results. Updated information on the Fund's results can be obtained by visiting the Fund's website (www.proshares.com).

Annual Returns as of December 31

  

Best Quarter	(ended	9/30/2023	):	52.82%
Worst Quarter	(ended	3/31/2020	):	-54.28%
Year-to-Date	(ended	6/30/2024	):	22.15%

Average Annual Total Returns

As of December 31, 2023 

	One Year	Five Years	Ten Years
Before Tax	-11.25%	-7.38%	-15.47%
After Taxes on Distributions	-15.27%	-8.39%	-15.95%
After Taxes on Distributions and Sale of Shares	-6.71%	-5.79%	-9.33%
ICE U.S. Treasury 20+ Year Bond Index1,2	2.16%	-1.80%	2.18%
ICE U.S. Treasury Core Bond Index1	3.88%	0.50%	1.25%
Bloomberg U.S. Aggregate Bond Index1,3	5.53%	1.10%	1.81%

Average annual total returns are shown on a before- and after-tax basis for the Fund. After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold shares through tax-deferred arrangements, such as a retirement account. After-tax returns may exceed the return before taxes due to a tax benefit from realizing a capital loss on a sale of shares.

Annual returns are required to be shown and should not be interpreted as suggesting that the Fund should or should not be held for longer periods of time.

Management

The Fund is advised by ProShare Advisors. Alexander Ilyasov, Senior Portfolio Manager, and James Linneman, Portfolio Manager, have jointly and primarily managed the Fund since April 2019 and March 2022, respectively.

Purchase and Sale of Fund Shares

The Fund will issue and redeem shares only to Authorized Participants (typically broker-dealers) in exchange for the deposit or delivery of a basket of assets (securities and/or cash) in large blocks, known as Creation Units. Shares of the Fund may only be purchased and sold by retail investors in secondary market transactions through broker-dealers or other financial intermediaries. Shares of the Fund are listed for trading on a national securities exchange and because shares trade at market prices rather than NAV, shares of the Fund may trade at a price greater than NAV (premium) or less than NAV (discount). In addition to brokerage commissions, investors incur the costs of 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 of the Fund (ask) when buying or selling shares in the secondary market (the "bid-ask spread"). The bid-ask spread varies over time for Fund shares based on trading volume and market liquidity. Recent information, including information about a Fund's NAV, market price, premiums and discounts, and bid-ask spreads, is included on the Fund's website (www.proshares.com).

Tax Information

Income and capital gains distributions you receive from the Fund generally are subject to federal income taxes and may also be subject to state and local taxes. The Fund intends to distribute income, if any, quarterly, and capital gains, if any, at least annually. Distributions for this Fund may be higher than those of most ETFs.

 

 

Investment Company Act file number 811-21114

ProShares Trust
7272 Wisconsin Avenue, 21st Floor, Bethesda, MD 20814
866.PRO.5125 866.776.5125
ProShares.com