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Organization | 12 Months Ended
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Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Organization | Note 1 – Organization Invesco DB US Dollar Index Bearish Fund (the “Fund”), a separate series of Invesco DB US Dollar Index Trust (the “Trust”) was formed as a Delaware statutory trust on August 3, 2006. The term of the Fund is perpetual (unless terminated earlier in certain circumstances) as provided for in the Fifth Amended and Restated Declaration of Trust and Trust Agreement of the Fund, as amended (the “Trust Agreement”). The Fund has an unlimited number of shares authorized for issuance. Invesco Capital Management LLC has served as the managing owner (the “Managing Owner”), commodity pool operator and commodity trading advisor of the Fund since February 23, 2015. The Managing Owner holds 40 general shares (the “General Shares”) of the Fund. The fiscal year end of the Fund is December 31 st. The Fund establishes short positions in certain futures contracts (the “DX Contracts”) with a view to tracking the changes, whether positive or negative, in the level of the Deutsche Bank Short USD Currency Portfolio Index–Excess Return TM (the “Index”) over time. The performance of the Fund also is intended to reflect the excess, if any, of the sum of the Fund’s interest income from its holdings of United States Treasury Obligations (“Treasury Income”), dividends from its holdings in money market mutual funds (affiliated or otherwise) (“Money Market Income”) and dividends or distributions of capital gains from its holdings of T-Bill ETFs (as defined below) (“T-Bill ETF Income”) over the expenses of the Fund. The Fund may invest directly in United States Treasury Obligations. The Fund may also gain exposure to United States Treasury Obligations through investments in exchange-traded funds (“ETFs”) (affiliated or otherwise) that track indexes that measure the performance of United States Treasury Obligations with a maximum remaining maturity of up to 12 months (“T-Bill ETFs”). The Fund may hold as collateral United States Treasury Obligations, money market mutual funds and T-Bill ETFs (affiliated or otherwise), if any, for margin and/or cash management purposes. While the Fund’s performance reflects the appreciation and depreciation of those holdings, the Fund’s performance, whether positive or negative, is driven primarily by its strategy of trading DX Contracts with the aim of seeking to track the Index. If the Managing Owner determines in its commercially reasonable judgment that it has become impracticable, including in scenarios wherein the futures market for a DX Contract is thinly traded, or inefficient for any reason for the Fund to gain full or partial exposure to a DX Contract, the Fund may invest in: • a different month DX Contract other than the specific DX Contract that was originally required by the Index, • another futures contract substantially similar to the DX Contracts, if available, • the futures contracts referencing the Index Currencies, or • a forward agreement, swap, or other OTC derivative referencing the Index Currencies, if, in the commercially reasonable judgment of the Managing Owner, such an instrument tends to exhibit trading prices that correlate with the DX Contract. The Index is calculated to reflect the changes in market value over time, whether positive or negative, of short positions in DX Contracts. DX Contracts are traded through the currency markets of ICE Futures U.S. (formerly known as the New York Board of Trade®), under the symbol “DX.” The Index reflects the changes in market value over time, whether positive or negative, of the DX Contracts which expires during the months of March, June, September and December. The Fund seeks to track the Index by establishing short positions in DX Contracts. DX Contracts are linked to the six underlying currencies (the “Index Currencies”) of the ICE U.S. Dollar Index (USDX®) (the “USDX®”). The Index Currencies are the Euro, Japanese Yen, British Pound, Canadian Dollar, Swedish Krona and Swiss Franc. The notional amounts of the Index Currencies included in the USDX® reflect a geometric weighted average of the change in the Index Currencies’ exchange rates against the U.S. dollar relative to March 1973. March 1973 was chosen as a base period of the USDX® because it represents a significant milestone in foreign exchange history when the world’s major trading nations allowed their currencies to float freely against each other. The Fund offers common units of beneficial interest (the “Shares”) only to certain eligible financial institutions (the “Authorized Participants”) in one or more blocks of 50,000 Shares (“Creation Units”). The Fund commenced investment operations on February 15, 2007. The Fund commenced trading on the American Stock Exchange (which became the NYSE Alternext US LLC) on February 20, 2007 and, since November 25, 2008, has been listed on the NYSE Arca, Inc. (the “NYSE Arca”). This Annual Report (the “Annual Report”) covers the years ended December 31, 2025, 2024 and 2023. Past performance of the Fund is not necessarily indicative of future performance.

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