v3.25.1
Schedule of Investments (Unaudited) - Treasury Bills and Affiliated Investments - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Schedule of Investments [Line Items]    
Investments in Securities, Value $ 181,405,112 $ 208,478,795
United States Treasury Obligations, Value 39,990,580 53,470,939
Investments in Securities, Cost 39,990,432 $ 53,447,148
Restricted for maintenance margin $ 20,723,226  
Investment, Identifier [Axis]: Affiliated Investments    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 69.90% 73.07%
Investments in Securities, Value $ 141,414,532 $ 155,007,856
Affiliated Investments, Cost $ 141,387,549 $ 154,947,626
Investment, Identifier [Axis]: Affiliated Investments Exchange-Traded Fund Invesco Short Term Treasury ETF    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [1],[2] 26.68%  
Investments in Securities, Value [1],[2] $ 53,981,153  
Principal Value, Shares [1],[2] 511,500  
Affiliated Investments, Cost [1],[2] $ 53,954,170  
Investment, Identifier [Axis]: Affiliated Investments, Exchange-Traded Fund, Invesco Short Term Treasury ETF    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [3],[4]   25.46%
Investments in Securities, Value [3],[4]   $ 54,014,400
Principal Value, Shares [3],[4]   511,500
Affiliated Investments, Cost [3],[4]   $ 53,954,170
Investment, Identifier [Axis]: Affiliated Investments, Money Market Mutual Fund, Invesco Government & Agency Portfolio, Institutional Class    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 43.22% [2],[5] 47.61% [3],[6]
Investments in Securities, Value $ 87,433,379 [2],[5] $ 100,993,456 [3],[6]
Principal Value, Shares 87,433,379 [2],[5] 100,993,456 [3],[6]
Investment Interest Rate 4.29% [2],[5] 4.43% [3],[6]
Investment Maturity Date Mar. 31, 2025 [2],[5] Dec. 31, 2024 [3],[6]
Affiliated Investments, Cost $ 87,433,379 [2],[5] $ 100,993,456 [3],[6]
Investment, Identifier [Axis]: Investments in Securities    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 89.67% 98.28%
Investments in Securities, Value $ 181,405,112 $ 208,478,795
Investments in Securities, Cost $ 181,377,981 $ 208,394,774
Investment, Identifier [Axis]: United States Treasury Obligations    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 19.77% [7] 25.21% [8]
Investments in Securities, Value $ 39,990,580 [7] $ 53,470,939 [8]
Investments in Securities, Cost $ 39,990,432 [7] $ 53,447,148 [8]
Investment, Identifier [Axis]: United States Treasury Obligations, U.S. Treasury Bill, 4.230% due April 3, 2025    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [8]   18.66%
Investments in Securities, Value [8]   $ 39,573,344
United States Treasury Obligations, Principal Value [8]   $ 40,000,000
Investment Interest Rate [8]   4.23%
Investment Maturity Date [8]   Apr. 03, 2025
Investment, Identifier [Axis]: United States Treasury Obligations, U.S. Treasury Bill, 4.400% due March 6, 2025    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [8]   6.55%
Investments in Securities, Value [8]   $ 13,897,595
United States Treasury Obligations, Principal Value [8]   $ 14,000,000
Investment Interest Rate [8]   4.40%
Investment Maturity Date [8]   Mar. 06, 2025
Investment, Identifier [Axis]: United States Treasury Obligations, U.S. Treasury Bills, 4.270% due April 3, 2025    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [7] 19.77%  
Investments in Securities, Value [7] $ 39,990,580  
United States Treasury Obligations, Principal Value [7] $ 40,000,000  
Investment Interest Rate [7] 4.27%  
Investment Maturity Date [7] Apr. 03, 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 futures contracts. See Note 2K.
[5] The rate shown is the 7-day SEC standardized yield as of March 31, 2025.
[6] The rate shown is the 7-day SEC standardized yield as of December 31, 2024.
[7] 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.
[8] 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.