v3.26.1
Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Schedule of Investments [Line Items]    
Investments in Securities, Value $ 221,645,895 $ 145,567,003
Affiliated Investments [Member]    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 91.96% 56.52%
Investments in Securities, Value $ 221,645,895 $ 145,567,003
Investments in Securities, Cost $ 221,624,246 $ 145,529,042
Investment, Identifier [Axis]: Affiliated Investments Exchange-Traded Fund Invesco Short Term Treasury ETF    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 8.93% [1],[2] 8.36% [3],[4]
Investments in Securities, Value $ 21,525,723 [1],[2] $ 21,542,035 [3],[4]
Investments in Securities, Shares 203,900 [1],[2] 203,900 [3],[4]
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 3.57%    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [1],[5] 83.03%  
Investments in Securities, Value [1],[5] $ 200,120,172  
Investments in Securities, Shares [1],[5] 200,120,172  
Investment Interest Rate [1],[5] 3.57%  
Investment Maturity Date Jun. 30, 2026  
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 3.68%    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [3],[6]   48.16%
Investments in Securities, Value [3],[6]   $ 124,024,968
Investments in Securities, Shares [3],[6]   124,024,968
Investment Interest Rate [3],[6]   3.68%
Investment Maturity Date   Dec. 31, 2025
[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 future contracts. See Note 2K.
[5] The rate shown is the 7-day SEC standardized yield as of June 30, 2026.
[6] The rate shown is the 7-day SEC standardized yield as of December 31, 2025.