Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($) | Sep. 30, 2021 | Dec. 31, 2020 |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 94.12% | | 78.08% | |
United States Treasury Obligations, Value | | $ 178,991,649 | | $ 65,983,080 | |
Affiliated investments, Value | | 219,758,208 | | 69,754,530 | |
Investments in Securities, Value | | 398,749,857 | | $ 135,737,610 | |
Investment Interest Rate | [1] | | | 0.14% | |
Investment Maturity Date | [1] | | | Oct. 7, 2021 | |
Investments in Securities, cost | | $ 398,709,119 | | $ 135,688,386 | |
Affiliated Investments [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 51.87% | | 40.12% | |
Affiliated investments, Value | | $ 219,758,208 | | $ 69,754,530 | |
Affiliated Investments, Cost | | $ 219,719,853 | | $ 69,709,628 | |
U.S. Treasury Bills, 0.050% due October 7, 2021 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 2.36% | | | |
United States Treasury Obligations, Value | [1] | $ 9,999,955 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 10,000,000 | | | |
Investment Interest Rate | [1] | 0.05% | | | |
Investment Maturity Date | [1] | Oct. 7, 2021 | | | |
U.S. Treasury Bills, 0.050% due November 4, 2021 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 2.36% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 9,999,473 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 10,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.05% | | | |
Investment Maturity Date | [1],[2] | Nov. 4, 2021 | | | |
Restricted for maintenance margin | | $ 29,996,000 | | | |
U.S. Treasury Bills, 0.045% due December 2, 2021 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 8.26% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 34,998,493 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 35,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.045% | | | |
Investment Maturity Date | [1],[2] | Dec. 2, 2021 | | | |
U.S. Treasury Bills, 0.045% due December 9, 2021 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 2.84% | | | |
United States Treasury Obligations, Value | [1] | $ 11,999,534 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 12,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.045% | | | |
Investment Maturity Date | [1],[2] | Dec. 9, 2021 | | | |
U.S. Treasury Bills, 0.040% due January 6, 2022 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 5.90% | | | |
United States Treasury Obligations, Value | [1] | $ 24,998,127 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 25,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.04% | | | |
Investment Maturity Date | [1],[2] | Jan. 6, 2022 | | | |
U.S. Treasury Bills, 0.050% due January 20, 2022 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 5.90% | | | |
United States Treasury Obligations, Value | [1] | $ 24,997,546 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 25,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.05% | | | |
Investment Maturity Date | [1],[2] | Jan. 20, 2022 | | | |
U.S. Treasury Bills, 0.050% due January 27, 2022 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 5.90% | | | |
United States Treasury Obligations, Value | [1] | $ 24,996,927 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 25,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.05% | | | |
Investment Maturity Date | [1],[2] | Jan. 27, 2022 | | | |
U.S. Treasury Bills, 0.055% due February 3, 2022 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 5.90% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 25,003,727 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 25,007,200 | | | |
Investment Interest Rate | [1],[2] | 0.055% | | | |
Investment Maturity Date | [1],[2] | Feb. 3, 2022 | | | |
U.S. Treasury Bills, 0.050% due March 10, 2022 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 2.83% | | | |
United States Treasury Obligations, Value | [1] | $ 11,997,867 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 12,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.05% | | | |
Investment Maturity Date | [1],[2] | Mar. 10, 2022 | | | |
United States Treasury Obligations [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 42.25% | | 37.96% | |
United States Treasury Obligations, Value | [1] | $ 178,991,649 | | $ 65,983,080 | |
Investments in Securities, cost | [1] | $ 178,989,266 | | $ 65,978,758 | |
Exchange-Traded Fund [Member] | Affiliated Investments [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 8.52% | [3] | 9.23% | [4] |
Affiliated investments, Value | | $ 36,082,890 | [3] | $ 16,051,273 | [4] |
Affiliated Investments, Shares | | 341,500 | [3] | 151,900 | [4] |
Affiliated Investments, Cost | | $ 36,044,535 | [3] | $ 16,006,371 | [4] |
Money Market Mutual Fund - Premier U.S. Government Money Portfolio - Institutional Class [Member] | Invesco Government And Agency Portfolio Institutional Class [Member] | Affiliated Investments [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 43.35% | [3],[5] | 30.89% | [4],[6] |
Affiliated investments, Value | | $ 183,675,318 | [3],[5] | $ 53,703,257 | [4],[6] |
Affiliated Investments, Shares | | 183,675,318 | [3],[5] | 53,703,257 | [4],[6] |
Investment Interest Rate | | 0.03% | [3],[5] | 0.03% | [4],[6] |
Affiliated Investments, Cost | | $ 183,675,318 | [3],[5] | $ 53,703,257 | [4],[6] |
U.S. Treasury Bills, 0.085% due February 25, 2021 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[7] | | | 11.50% | |
United States Treasury Obligations, Value | [1],[7] | | | $ 19,998,339 | |
United States Treasury Obligations, Principal Value | [1],[7] | | | $ 20,000,000 | |
Investment Interest Rate | [1],[7] | | | 0.085% | |
Investment Maturity Date | [1],[7] | | | Feb. 25, 2021 | |
Restricted for maintenance margin | | | | $ 19,998,000 | |
U.S. Treasury Bills, 0.080% due March 11, 2021 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 10.93% | |
United States Treasury Obligations, Value | [1] | | | $ 18,997,736 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 19,000,000 | |
Investment Interest Rate | [1],[7] | | | 0.08% | |
Investment Maturity Date | [1],[7] | | | Mar. 11, 2021 | |
U.S. Treasury Bills, 0.090% due June 10, 2021 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 5.75% | |
United States Treasury Obligations, Value | [1] | | | $ 9,996,827 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 10,000,000 | |
Investment Interest Rate | [1] | | | 0.09% | |
Investment Maturity Date | [1] | | | Jun. 10, 2021 | |
U.S. Treasury Bills, 0.140% due September 9, 2021 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 4.03% | |
United States Treasury Obligations, Value | [1] | | | $ 6,996,311 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 7,000,000 | |
Investment Interest Rate | [1] | | | 0.14% | |
Investment Maturity Date | [1] | | | Sep. 9, 2021 | |
U.S. Treasury Bills, 0.140% due October 7, 2021 [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 5.75% | |
United States Treasury Obligations, Value | [1] | | | $ 9,993,867 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 10,000,000 | |
| |
[1] | 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. | |
[2] | United States Treasury Obligations of $ 29,996,000 | |
[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] | 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. | |
[5] | The rate shown is the 7-day SEC standardized yield as of September 30, 2021. | |
[6] | The rate shown is the 7-day SEC standardized yield as of December 31, 2020. | |
[7] | United States Treasury Obligations of $19,998,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. | |