Direxion Daily Silver Bear 2X ETF Investment Risks - Direxion Daily Silver Bear 2X ETF |
Oct. 31, 2025 |
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| Shorting or Inverse Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Shorting or Inverse Risk – The Fund will lose money when the value of a Reference ETP rises because of the Fund’s inverse or short exposure – this result is the opposite from a traditional index fund. The Fund’s assets will increase in value when a Reference ETP’s daily return decreases. The Fund’s assets will decrease in value when a Reference ETP’s daily return increases. Because historically most assets have risen in value over the long term, short exposure or positions and therefore, the value of the Fund is expected to depreciate in value over time, notwithstanding any separate effects of compounding and the Fund’s daily repositioning of inverse exposure. Additionally, if the level of a Reference ETP approaches a 50% increase at any point in the day, an investor could lose their entire investment. Accordingly, short positions and exposure may be riskier and more speculative than traditional investments. The costs of obtaining short exposure or maintaining short positions will lower the Fund’s returns. To the extent that the Fund obtains short exposure from derivatives, the Fund may be exposed to heightened volatility, reduced correlation to a Reference ETP or limited liquidity related to the reference asset of the underlying short position, which will adversely impact the Fund’s ability to meet its investment objective or adversely impact its performance. If the Fund were to experience this volatility or decreased liquidity, the Fund may be required to obtain short exposure through alternative investment strategies that may have less correlation to a Reference ETP, less liquidity or are more costly to implement. If the reference asset underlying the short position is thinly traded or has a limited market, there may be a lack of available securities or counterparties for the Fund to enter into a short position or obtain short exposure from a derivative instrument. |
| Effects of Compounding and Market Volatility Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk — |
| Leverage Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Leverage Risk — The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund typically results in the magnification of a decline in the daily performance of a Reference ETP resulting in a larger loss being incurred than if there was no leverage utilized. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in a Reference ETP, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could lose an amount greater than its net assets in the event of a Reference ETP decline of more than 50% of a Reference ETP. This would result in a total loss of a shareholder’s investment in one day even if a Reference ETP subsequently reverses all or a portion of its previous movement prior to the end of the day. A total loss of a shareholder’s investment in the Fund may occur in a single day even if a Reference ETP’s value does not move fully opposite from the Fund’s investment objective. Leverage will also have the effect of magnifying any differences in the Fund’s inverse correlation with a Reference ETP and may increase the volatility of the Fund. To the extent that the instruments utilized by the Fund are thinly traded or have a limited market, the Fund may be unable to meet its investment objective due to a lack of available investments or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. As a result, the Fund’s shares could trade at a premium or discount to their net asset value and/or the bid-ask spread of the Fund’s shares could widen. Under such circumstances, the Fund may increase its transaction fee, change its investment objective by, for example, seeking to track an alternative ETP, reduce its leverage or close. |
| Derivatives Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Derivatives Risk — Derivatives are financial instruments that derive value from the underlying reference asset or assets, such as digital assets, stocks, bonds, funds (including ETFs), interest rates or indexes. Investing in derivatives may be considered aggressive and may expose the Fund to greater risks, and may result in larger losses or smaller gains, than investing directly in the reference assets underlying those derivatives, which may prevent the Fund from achieving its investment objective. Swap agreements are the type of derivatives traded by the Fund, although in certain circumstances, the Fund may also invest in futures contracts. The Fund’s investments in derivatives may pose risks in addition to, and greater than, those associated with directly shorting securities, digital assets or other ordinary investments, including risk related to the market, leverage, imperfect daily correlations with underlying investments or the Fund’s other portfolio holdings, higher price volatility, lack of availability, counterparty risk, liquidity, valuation and legal restrictions. The use of derivatives is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. The use of derivatives may result in larger losses or smaller gains than directly shorting securities or digital assets. When the Fund uses derivatives, there may be imperfect correlation between the value of the reference assets and the derivative, which may prevent the Fund from achieving its investment objective. Because derivatives often require only a limited initial investment, the use of derivatives may expose the Fund to losses in excess of those amounts initially invested. The primary risks associated with the use of swaps are mispricing or improper valuation, imperfect correlation between movements of the notional value of a swap and the price of the reference asset, and the failure of a counterparty to perform. If a swap counterparty’s creditworthiness for an “over-the-counter” swap declines, the value of the swap would also likely decline. There is no guarantee that the Fund could eliminate its exposure under an outstanding swap by entering into offsetting swap with the same or another party. |
| Counterparty Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Counterparty Risk — If a counterparty is unwilling or unable to make timely payments to meet its contractual obligations or fails to return holdings that are subject to the agreement with the counterparty, the Fund will lose money and/or not be able to meet its daily inverse leveraged investment objective. Because the Fund may enter into swap agreements with a limited number of counterparties, this increases the Fund’s exposure to counterparty credit risk. Further, there is a risk that no suitable counterparties will be willing to enter into, or continue to enter into, transactions with the Fund and, as a result, the Fund may not be able to achieve its inverse leveraged investment objective or rebalance properly, which may result in significant losses to the Fund. The risk that no suitable counterparties will enter into or continue to provide swap exposure to the Fund may be heightened when there is significant volatility in the overall market or the reference asset. |
| Intra Day Investment Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Intra-Day Investment Risk— The intra-day performance of Fund shares traded in the secondary market will be different from the performance of the Fund when measured from the close of the market on a given trading day until the close of the market on the subsequent trading day. An investor that purchases shares intra-day may experience performance that is greater than, or less than, the Fund’s stated investment objective. If there is a significant intra-day market event and/or the securities selected as Reference ETPs experience a significant change in value, the Fund may not meet its investment objective or may be unable to rebalance its portfolio appropriately, resulting in significant losses or reduced gains. In response to significant intraday market volatility, among other actions, the Adviser may determine to trade a portion or all of the rebalance trade for the Fund prior to market close, which may result in the Fund not achieving its investment objective. Additionally, the Fund’s Shares traded on the secondary market may experience significant premiums or discounts, or widened bid-ask spreads. |
| Daily Correlation Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Daily Inverse Correlation Risk - There is no guarantee that the Fund will achieve a high degree of inverse correlation to a Reference ETP and therefore achieve its daily inverse leveraged investment objective. The Fund’s exposure to a Reference ETP is impacted by a Reference ETP’s movement. Because of this, it is unlikely that the Fund will be perfectly exposed to a Reference ETP at the end of each day. The possibility of the Fund being materially over- or under-exposed to a Reference ETP increases on days when a Reference ETP is volatile near the close of the trading day. Market disruptions, regulatory restrictions and high volatility will also adversely affect the Fund’s ability to adjust exposure to the required levels. The Fund may have difficulty achieving its daily inverse leveraged investment objective for many reasons, including fees, expenses, transaction costs, financing costs related to the use of derivatives, accounting standards and their application to income items, disruptions, illiquid or high volatility in the markets for the securities or financial instruments in which the Fund invests, early and unanticipated closings of the markets on which the holdings of the Fund trade, resulting in the inability of the Fund to execute intended portfolio transactions, regulatory and tax considerations, which may cause the Fund to hold (or not to hold) a Reference ETP. The Fund may be required to trade more frequently or may refrain from taking certain positions to ensure compliance with regulatory restrictions or to ensure qualification as a registered investment company or to improve tax efficiency, or for other reasons, each of which may negatively impact the Fund’s desired inverse correlation with a Reference ETP or increase its required distributions. The derivative instruments or other investments the Fund utilizes to obtain exposure may not provide the expected correlation to a Reference ETP, resulting in the Fund not performing as expected. The Fund may be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being over- or under-exposed to a Reference ETP. Any of these factors could decrease the inverse correlation between the performance of the Fund and a Reference ETP and may hinder the Fund’s ability to meet its daily inverse leveraged investment objective on or around that day. |
| Rebalancing Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Rebalancing Risk — If for any reason the Fund is unable to rebalance all or a part of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with its investment objective which may lead to greater losses or reduced gains. In these instances, the Fund may have investment exposure to a Reference ETP that is significantly greater or significantly less than its stated investment objective. Additionally, the Fund may close to purchases and sales of Shares prior to the close of trading on the NYSE Arca or other national securities listing exchanges where Shares are listed and incur significant losses. |
| Silver Investing Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Silver Risk - The price of silver may be volatile, and physical silver-related exchange-traded products and derivatives may be highly sensitive to the price of silver. The price of physical silver can be significantly affected by international monetary and political developments such as currency devaluation or revaluation, central bank movements, economic and social conditions within a country, transactional or trade imbalances, or trade or currency restrictions between countries. physical silver has sales commission, storage, insurance and auditing expenses. |
| Underlying ETF Investment Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Reference ETP Investment Risk— The Fund will invest in, or obtain exposure to, one or more exchange-traded products to pursue its investment objective. When investing in an Reference ETP, the Fund becomes a shareholder of that Reference ETP and as a result, Fund shareholders indirectly bear the Fund’s proportionate share of the fees and expenses of the Reference ETP in addition to the fees and expenses of the Fund’s own operations. If the Reference ETP fails to achieve its investment objective or its shares trade at a significant premium or discount, the Fund’s performance will likely be adversely affected. |
| Other Investment Companies including ETFs Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Other Investment Companies (including ETFs) Risk— |
| NonAffiliation Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Non-Affiliation Risk — The Reference ETPs are not affiliated with the Trust, the Adviser or any affiliates thereof and are not involved with this offering in any way, and have no obligation to consider the Fund in taking any corporate actions that might affect the value of the Fund. The Trust, the Fund and any affiliate are not responsible for the performance of a Reference ETP and make no representation as to the performance of a Reference ETP. Investing in the Fund is not equivalent to investing in a Reference ETP. Fund shareholders will not have voting rights or rights to receive dividends or other distributions or any other rights with respect to a Reference ETP. |
| Cash Transaction Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Cash Transaction Risk— Unlike most ETFs, the Fund currently intends to effect creations and redemptions principally for cash, rather than principally for in-kind securities, because of the nature of the financial instruments held by the Fund. As a result, the Fund is not expected to be tax efficient and will incur brokerage and financing costs related to buying and selling securities and/or obtaining short derivative exposure to achieve its investment objective thus incurring additional expenses than other funds that primarily effect creations and redemptions in kind. To the extent that such costs are not offset by transaction fees paid by an authorized participant, the Fund may bear such costs, which will decrease the Fund’s net asset value. |
| Liquidity Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Liquidity Risk — Holdings of the Fund may be difficult to buy or sell or may be illiquid, particularly during times of market turmoil. Illiquid securities may be difficult to value, especially in changing or volatile markets. If the Fund is forced to buy or sell an illiquid security or derivative instrument at an unfavorable time or price, the Fund may be adversely impacted. Certain market conditions or restrictions, such as market rules related to short sales, may prevent the Fund from limiting losses, realizing gains or achieving a high correlation with a Reference ETP. There is no assurance that a security or derivative instrument that is deemed liquid when purchased will continue to be liquid. Market illiquidity may cause losses for the Fund. To the extent that the value of a Reference ETP increases or decreases significantly, the Fund may be one of many market participants that are attempting to transact in the Reference ETPs. Under such circumstances, the market for the Reference ETPs may lack sufficient liquidity for all market participants' trades. Therefore, the Fund may have more difficulty transacting in the Reference ETPs and the Fund's transactions could exacerbate the price changes of the Reference ETPs and may impact the ability of the Fund to achieve its investment objective. In certain cases, the market for the Fund’s investments may lack sufficient liquidity for all market participants' trades. Therefore, the Fund may have difficulty transacting in it and/or in correlated investments, such as swap contracts. Further, the Fund's transactions could exacerbate illiquidity and volatility in the price of the securities and correlated derivative instruments. |
| Market Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Market Risk — The Fund’s investments are subject to changes in general economic conditions, general market fluctuations and the risks inherent in investment in securities markets. Investment markets can be volatile and prices of investments can change substantially due to various factors including, but not limited to, economic growth or recession, changes in interest rates, changes in the actual or perceived creditworthiness of issuers, general market liquidity, exchange trading suspensions and closures, geopolitical events, tariffs, trade wars, natural disasters, and public health risks. Interest rates and inflation rates may change frequently and drastically due to various factors and the Fund’s investments may be adversely impacted. The economic, fiscal, monetary and foreign policies of the U.S. government, including the imposition of tariffs, changes to its federal agencies and changes to regulatory policies, will impact the U.S. economy and could lead to increased market volatility and may adversely impact the overall market and individual securities. |
| Tax Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Tax Risk — In order to qualify for the special tax treatment accorded a regulated investment company (“RIC”) and its shareholders, the Fund must derive at least 90% of its gross income for each taxable year from “qualifying income,” meet certain asset diversification tests at the end of each taxable quarter, and meet annual distribution requirements. The Fund’s pursuit of its investment strategy will potentially be limited by the Fund’s intention to qualify for such treatment and could adversely affect the Fund’s ability to so qualify. The Fund may make certain investments, the treatment of which for these purposes is unclear. The Fund expects to gain exposure to silver and generate qualifying income by investing in silver indirectly through a wholly-owned subsidiary organized under the laws of the Cayman Islands. To comply with the asset diversification test applicable to a RIC, a Fund will limit its investments in such subsidiary to 25% of the Fund's total assets at the end of each tax quarter. A Fund may, however, exceed this amount from time to time if the Adviser believes doing so is in the best interests of the Fund, provided, however, that the Fund intends to continue to comply with the asset diversification test applicable to RICs. If the Fund's investments in the subsidiary were to exceed 25% of the Fund's total assets at the end of a tax quarter, the Fund may no longer be eligible to be treated as a RIC. The Adviser will carefully monitor the Fund's investments in the subsidiary to ensure that no more than 25% of the Fund's assets are invested in the subsidiary at the end of each tax quarter. The Fund intends to invest in complex derivatives for which there is not clear guidance from the Internal Revenue Service ("IRS") as to the calculation of such investments under the asset diversification test applicable to RICs. There are no assurances that the IRS will agree with the Fund's calculation under the asset diversification test which could cause the Fund to fail to qualify as a RIC. If, in any year, the Fund were to fail to qualify for the special tax treatment accorded a RIC and its shareholders, and were ineligible to or were not able to cure such failure, the Fund would be taxed in the same manner as an ordinary corporation subject to U.S. federal income tax on all its income at the fund level. The resulting taxes could substantially reduce the Fund’s net assets and the amount of income available for distribution. In addition, in order to requalify for taxation as a RIC, the Fund could be required to recognize unrealized gains, pay substantial taxes and interest, and make certain distributions. Please see the section entitled “Dividends, Other Distributions and Taxes” in the Statement of Additional Information for more information. |
| Subsidiary Investment Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Subsidiary Investment Risk — By investing in the Subsidiary, the Fund is indirectly exposed to the risks associated with the Subsidiary’s investments. Since the Subsidiary is organized under the law of the Cayman Islands and is not registered with the SEC under the Investment Company Act of 1940, as amended, the Fund will not receive all of the protections offered to shareholders of registered investment companies. Changes in the laws of the United States and/or the Cayman Islands could result in the inability of the Fund and/or the Subsidiary to operate as intended, which may negatively affect the Fund and its shareholders. |
| Futures Strategy Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Futures Contracts Risk — The use of futures contracts is subject to special risk considerations. The primary risks associated with the use of futures contracts are (a) the imperfect correlation between the change in market value of the instruments held by the Fund and the price of the futures contract; (b) the possible lack of a liquid secondary market for a futures contract and the resulting inability to close a futures contract when desired; (c) losses caused by unanticipated market movements, which are potentially unlimited; (d) the Adviser’s inability to predict correctly the direction of market prices, interest rates, currency exchange rates and other economic factors, as applicable; (e) the possibility that the counterparty will default in the performance of its obligations; and (f) if the Fund has insufficient cash, it may have to sell securities or financial instruments from its portfolio to meet daily variation margin requirements, which may lead to the Fund selling securities or financial instruments at a time when it may be disadvantageous to do so. The Fund does not intend to hold futures contracts through their expiration dates; therefore, as a futures contract approaches its settlement date, the Fund may sell futures contracts and replace the position with a similar contract with a more distant settlement date. This process is referred to as “rolling” a futures contract. Although the Fund will attempt to “roll” from an expiring futures contract to another contract that the Adviser believes will generate the greatest yield for the Fund, the Fund nevertheless may endure a cost to “roll” the contracts. In the event of a commodity futures market where near month contracts set to expire trade at a higher price than the next expiring month contract, a situation referred to as “backwardation,” then absent the impact of the overall movement in commodity prices, the Fund may benefit because it would be selling more expensive contracts and buying less expense contracts when it “rolls” the futures contracts. Conversely, in the event of a commodity futures market where near month contracts trade at a lower price than next expiring month contract, a situation referred to as “contango,” then absent the impact of the overall movement in commodity prices, the Fund may experience an adverse impact because it would be selling less expensive contracts and buying more expense contracts. The impact of backwardation and contango may cause the total return of the Fund to vary significantly from the total return of other price references (such as the spot price). In the event of a prolonged period of contango, and absent the impact of rising or falling spot prices, there could be a significant negative impact on the Fund when it “rolls” its futures contract positions. If the Fund’s ability to obtain exposure to futures contracts is consistent with its investment objective is disrupted for any reason, including limited liquidity in the futures market, margin requirements, position limits, accountability levels, or other limitations imposed by the Fund’s futures commission merchants, the listing exchanges or the CFTC, the Fund may not meet its investment objectives and may experience significant losses. Under such circumstances, the Adviser intends to take actions it believes is appropriate and in the best interests of the Fund. These actions may cause the Fund’s performance to deviate from that of the Index. |
| Early Close Trading Halt Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Early Close/Trading Halt Risk — An exchange or market may close early and unexpectedly or issue trading halts on specific securities or financial instruments. Under such circumstances, the Fund may be unable to execute intended portfolio transactions, rebalance its portfolio, or accurately price its investments, and may disrupt the Fund’s creation/redemption process which means the Fund may be unable to achieve its investment objective and it may incur substantial losses or reduced gains. Additionally, an exchange or market may also halt the trading of the Fund’s shares, limiting an investor’s ability to buy or sell Fund shares on that exchange or market. |
| High Portfolio Turnover Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | High Portfolio Turnover Risk— Daily rebalancing of the Fund’s holdings pursuant to its daily investment objective causes a much greater number of portfolio transactions when compared to most ETFs. Additionally, active secondary market trading of the Shares could cause more frequent creation and redemption activities, which would increase the number of portfolio transactions. High levels of portfolio transactions may cause higher transaction costs because of increased broker commissions resulting from such transactions and increased taxable capital gains. The Fund calculates portfolio turnover without including the short-term cash instruments or derivative transactions that comprise most of the Fund’s trading. As such, if the Fund’s extensive use of derivative instruments were reflected, the calculated portfolio turnover rate would be significantly higher. |
| Money Market Instrument Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Money Market Instrument Risk — The Fund may use a variety of money market instruments for cash management purposes, including money market funds, depositary accounts and repurchase agreements. Money market funds may be subject to credit risk with respect to the debt instruments in which they invest. Depository accounts may be subject to credit risk with respect to the financial institution in which the depository account is held. Money market instruments may lose money. |
| NonDiversification Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | 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, the credit of a single counterparty, and/or a single economic, political or regulatory event. |
| Concentration Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Concentration Risk — The Fund’s investments will be concentrated (i.e., more than 25% of the Fund’s total assets) in investments that provide exposure to silver. As a result, the Fund may be more volatile than a Fund with a more diversified portfolio. |
| New Fund Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | New Fund Risk — The Fund recently commenced operations, has a limited operating history, and started operations with a small asset base. There can be no assurance that the Fund will be successful or grow to or maintain a viable size, that an active trading market for the Fund’s shares will develop or be maintained, or that the Fund’s shares’ listing will continue unchanged. |
| Authorized Participants Concentration Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Authorized Participants Concentration Risk. The Fund may have a limited number of financial institutions that may act as Authorized Participants. To the extent that those Authorized Participants exit the business or are unable to process creation and/or redemption orders, Shares may trade at larger bid-ask spreads and/or premiums or discounts to net asset value. Authorized Participant concentration risk may be heightened for a fund that invests in non-U.S. securities or other securities or instruments that have lower trading volumes. |
| Absence of Active Market Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Absence of Active Market Risk. Although Shares are listed for trading on a stock exchange, there is no assurance that an active trading market for them will develop or be maintained. In the absence of an active trading market for Shares, they will likely trade with a wider bid/ask spread and at a greater premium or discount to net asset value. |
| Market Price Variance Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Market Price Variance Risk. Fund Shares can be bought and sold in the secondary market at market prices, which may be higher or lower than the net asset value of the Fund. When Shares trade at a price greater than net asset value, they are said to trade at a “premium.” When they trade at a price less than net asset value, they are said to trade at a “discount.” The market price of Shares fluctuates based on changes in the value of the Fund’s holdings, the supply and demand for Shares and other market factors. The market price of Shares may vary significantly from the Fund’s net asset value especially during times of market volatility or stress. Further, to the extent that exchange specialists, market makers, Authorized Participants, or other market participants are unavailable or unable to trade the Fund’s Shares and/or create or redeem Creation Units premiums or discounts may increase. |
| Trading Cost Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Trading Cost Risk. When buying or selling Shares in the secondary market, a buyer may incur brokerage commission or other charges. In addition, a buyer may incur the cost of the “spread” also known as the bid-ask spread, which is the difference between what investors are willing to pay for Fund shares (the “bid” price) and the price at which they are willing to sell Fund shares (the “ask” price). The bid-ask spread varies over time based on, among other things, trading volume, market liquidity and market volatility. Because of the costs inherent in buying or selling Fund shares, frequent trading may detract significantly from investment results. |
| Exchange Trading Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Exchange Trading Risk. Shares are listed for trading on the NYSE Arca. They also may be listed or traded on other U.S. and non-U.S. stock exchanges and may trade on electronic communication networks. Trading in Shares on their listing exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in Shares inadvisable, including if they fail to meet the listing requirements of the exchange. Under certain circumstances, Shares may even be delisted. Trading halts of Shares should be expected to disrupt the Fund’s creation/redemption process and may temporarily prevent investors from buying and selling Shares. Like other listed securities, Shares of the Fund may be sold short, and short positions in Shares may place downward pressure on their market price. |
| Risk Lose Money [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | The Fund may not achieve its inverse leveraged investment objective and there is a risk that you could lose all of your money invested in the Fund. |