v3.25.1
Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Schedule Of Investments [Line Items]    
Affiliated Investments, Value $ 98,052,507 $ 100,657,602
Affiliated Investments, Cost 98,038,569 100,605,285
Restricted for maintenance margin $ 27,550,576 $ 15,000,000
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 4.29%    
Schedule Of Investments [Line Items]    
Percentage of Shareholders' Equity [1],[2] 39.10%  
Affiliated Investments, Shares [1],[2] 48,393,442  
Affiliated Investments, Value [1],[2] $ 48,393,442  
Investment Interest Rate [1],[2] 4.29%  
Investment Maturity Date [1],[2] Mar. 31, 2025  
Affiliated Investments, Cost [1],[2] $ 48,393,442  
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 4.43%    
Schedule Of Investments [Line Items]    
Percentage of Shareholders' Equity [3],[4]   45.68%
Affiliated Investments, Shares [3],[4]   51,500,959
Affiliated Investments, Value [3],[4]   $ 51,500,959
Investment Interest Rate [3],[4]   4.43%
Investment Maturity Date [1],[2]   Dec. 31, 2024
Affiliated Investments, Cost [3],[4]   $ 51,500,959
Investment, Identifier [Axis]: Cash held with Morgan Stanley & Co. LLC    
Schedule Of Investments [Line Items]    
Futures contracts collateralize   $ 15,000,000
Investment, Identifier [Axis]: Investments in Securities    
Schedule Of Investments [Line Items]    
Percentage of Shareholders' Equity 79.23% 89.28%
Affiliated Investments, Value $ 98,052,507 $ 100,657,602
Investment, Identifier [Axis]: United States Treasury Obligations    
Schedule Of Investments [Line Items]    
Percentage of Shareholders' Equity 40.13% [5] 43.60% [6]
Affiliated Investments, Value $ 49,659,065 [5] $ 49,156,643 [6]
Affiliated Investments, Cost $ 49,645,127 [5] 49,104,326 [6]
Restricted for maintenance margin   $ 19,660,000
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 4.195% due May 29, 2025    
Schedule Of Investments [Line Items]    
Percentage of Shareholders' Equity [5] 40.13%  
United States Treasury Obligations, Principal Value [5] $ 50,000,000  
Affiliated Investments, Value [5] $ 49,659,065  
Investment Interest Rate [5] 4.195%  
Investment Maturity Date [5] May 29, 2025  
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 4.340% due May 29, 2025    
Schedule Of Investments [Line Items]    
Percentage of Shareholders' Equity [6],[7]   43.60%
United States Treasury Obligations, Principal Value [6],[7]   $ 50,000,000
Affiliated Investments, Value [6],[7]   $ 49,156,643
Investment Interest Rate [6],[7]   4.34%
Investment Maturity Date [6],[7]   May 29, 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] The rate shown is the 7-day SEC standardized yield as of March 31, 2025.
[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] The rate shown is the 7-day SEC standardized yield as of December 31, 2024.
[5] 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.
[6] 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.
[7] United States Treasury Obligations of $19,660,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.