v3.26.1
Schedule of Investments (Unaudited) - Treasury Bills and Affiliated Investments - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Schedule of Investments [Line Items]    
Investments in Securities, Value $ 364,672,568 $ 195,278,284
Investment, Identifier [Axis]: Affiliated Investments, Exchange-Traded Fund, Invesco Short Term Treasury ETF    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 14.77% [1],[2] 26.46% [3],[4]
Investments in Securities, Value $ 53,988,825 [1],[2] $ 54,039,975 [3],[4]
Principal Value, Shares 511,500 [1],[2] 511,500 [3],[4]
Affiliated Investments, Cost $ 53,954,170 [1],[2] $ 53,954,170 [3],[4]
Investment, Identifier [Axis]: Affiliated Investments, Money Market Mutual Fund, Invesco Government & Agency Portfolio, Institutional Class    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 85.01% [1],[5] 69.16% [3],[6]
Investments in Securities, Value $ 310,683,743 [1],[5] $ 141,238,309 [3],[6]
Principal Value, Shares 310,683,743 [1],[5] 141,238,309 [3],[6]
Investment Interest Rate 3.58% [1],[5] 3.68% [3],[6]
Investment Maturity Date Mar. 31, 2026 [1],[5] Dec. 31, 2025 [3],[6]
Affiliated Investments, Cost $ 310,683,743 [1],[5] $ 141,238,309 [3],[6]
Affiliated Investments    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 99.78% 95.62%
Investments in Securities, Value $ 364,672,568 $ 195,278,284
Affiliated Investments, Cost $ 364,637,913 $ 195,192,479
[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.
[2] All or a portion of the value was pledged as collateral to cover margin requirements for open futures contracts. See Note 2K.
[3] 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.
[4] All or a portion of the value was pledged as collateral to cover margin requirements for open futures contracts. See Note 2K.
[5] The rate shown is the 7-day SEC standardized yield as of March 31, 2026.
[6] The rate shown is the 7-day SEC standardized yield as of December 31, 2025.