Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($) | Mar. 31, 2024 | Dec. 31, 2023 |
Schedule of Investments [Line Items] | | | | | |
United States Treasury Obligations, Value | | $ 197,911,057 | | $ 294,000,317 | |
Total Investments in Securities | | $ 332,077,129 | | $ 405,534,374 | |
Investment, Identifier [Axis]: Affiliated Investments | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | | | 28.70% | |
United States Treasury Obligations, Value | | | | $ 111,534,057 | |
Affiliated Investments, at Cost | | | | $ 111,534,057 | |
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 5.25% | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 40.27% | | | |
Affiliated Investments, Shares | [1],[2] | 134,166,072 | | 111,534,057 | |
Investments in Securities, Value | [1],[2] | $ 134,166,072 | | | |
Investment Interest Rate | [1],[2] | 5.25% | | | |
Affiliated Investments, at Cost | [1],[2] | $ 134,166,072 | | | |
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 5.29% | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | | | 28.70% | |
Investments in Securities, Value | | | | $ 111,534,057 | |
Investment Interest Rate | [3],[4] | | | 5.29% | |
Affiliated Investments, at Cost | [3],[4] | | | $ 111,534,057 | |
Investment, Identifier [Axis]: Investments in Securities | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 99.67% | | 104.34% | |
Total Investments in Securities | | $ 332,077,129 | | $ 405,534,374 | |
Investments in Securities, Cost | | $ 332,053,935 | | $ 405,235,143 | |
Investment, Identifier [Axis]: U.S. Treasury Bills, 5.250% due March 7, 2024 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [5] | | | 6.37% | |
United States Treasury Obligations, Value | [5] | | | $ 24,765,221 | |
United States Treasury Obligations, Principal Value | [5] | | | $ 25,000,000 | |
Investment Interest Rate | [5] | | | 5.25% | |
Investment Maturity Date | [5] | | | Mar. 07, 2024 | |
Investment, Identifier [Axis]: United States Treasury Obligation, U.S. Treasury Bills, 5.105% due September 5, 2024 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6] | 7.34% | | | |
United States Treasury Obligations, Value | [6] | $ 24,442,432 | | | |
United States Treasury Obligations, Principal Value | [6] | $ 25,000,000 | | | |
Investment Interest Rate | [6],[7] | 5.105% | | | |
Investment Maturity Date | [6],[7] | Sep. 05, 2024 | | | |
Investment, Identifier [Axis]: United States Treasury Obligations | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 59.40% | [6] | 75.64% | [5] |
United States Treasury Obligations, Value | | $ 197,911,057 | [6] | $ 294,000,317 | [5] |
Investments in Securities, Cost | | $ 197,887,863 | [6] | $ 293,701,086 | [5] |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 5.190% due June 6, 2024 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [5] | | | 6.29% | |
United States Treasury Obligations, Value | [5] | | | $ 24,453,458 | |
United States Treasury Obligations, Principal Value | [5] | | | $ 25,000,000 | |
Investment Interest Rate | [5] | | | 5.19% | |
Investment Maturity Date | [5] | | | Jun. 06, 2024 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 5.240% Due June 6, 2024 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6],[7] | 7.43% | | | |
United States Treasury Obligations, Value | [6],[7] | $ 24,761,094 | | | |
United States Treasury Obligations, Principal Value | [6],[7] | $ 25,000,000 | | | |
Investment Interest Rate | [6],[7] | 5.24% | | | |
Investment Maturity Date | [6],[7] | Jun. 06, 2024 | | | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 5.240% due May 30, 2024 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [5],[7] | | | 62.98% | |
United States Treasury Obligations, Value | [5],[7] | | | $ 244,781,638 | |
United States Treasury Obligations, Principal Value | [5],[7] | | | $ 250,000,000 | |
Investment Interest Rate | [5],[8] | | | 5.24% | |
Investment Maturity Date | [5],[8] | | | May 30, 2024 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 5.255% Due May 30, 2024 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6],[7] | 44.63% | | | |
United States Treasury Obligations, Value | [6],[7] | $ 148,707,531 | | | |
United States Treasury Obligations, Principal Value | [6],[7] | $ 150,000,000 | | | |
Investment Interest Rate | [6],[7] | 5.255% | | | |
Investment Maturity Date | [6],[7] | May 30, 2024 | | | |
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[1] Affiliated issuer. The issuer and/or the Fund is a wholly-owned subsidiary of Invesco Ltd., or is affiliated by having an investment adviser that is under common control of Invesco Ltd. See Note 8. The rate shown is the 7-day SEC standardized yield as of March 31, 2024. Affiliated issuer. The issuer and/or the Fund is a wholly-owned subsidiary of Invesco Ltd., or is affiliated by having an investment adviser that is under common control of Invesco Ltd. See Note 8. The rate shown is the 7-day SEC standardized yield as of December 31, 2023 . Security may be traded on a discount basis. The interest rate shown represents the discount rate at the most recent auction date of the security prior to period end. Security may be traded on a discount basis. The interest rate shown represents the discount rate at the most recent auction date of the security prior to period end. United States Treasury Obligations of $ 44,586,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. United States Treasury Obligations of $ 68,537,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. | |