Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($) | Sep. 30, 2022 | Dec. 31, 2021 |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 141.77% | | 88.21% | |
United States Treasury Obligations, Value | | $ 191,355,788 | | $ 112,005,375 | |
Affiliated investments, Value | | 225,041,490 | | 317,739,851 | |
Investments in Securities, Value | | 416,397,278 | | 429,745,226 | |
Investments in Securities, cost | | $ 416,673,065 | | $ 429,717,441 | |
Affiliated Investments [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 76.62% | | 65.22% | |
Affiliated investments, Value | | $ 225,041,490 | | $ 317,739,851 | |
Affiliated Investments,Cost | | $ 225,099,604 | | $ 317,713,448 | |
U.S. Treasury Bills, 2.470% due October 20, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 6.80% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 19,976,412 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 20,000,000 | | | |
Investment Interest Rate | [1],[2] | 2.47% | | | |
Investment Maturity Date | [1],[2] | Oct. 20, 2022 | | | |
Restricted for maintenance margin | | $ 191,342,200 | | | |
U.S. Treasury Bills, 2.520% due October 27, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 11.90% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 34,940,150 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 35,000,000 | | | |
Investment Interest Rate | [1],[2] | 2.52% | | | |
Investment Maturity Date | [1],[2] | Oct. 27, 2022 | | | |
U.S. Treasury Bills, 2.610% due November 17, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 18.66% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 54,806,263 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 55,000,000 | | | |
Investment Interest Rate | [1],[2] | 2.61% | | | |
Investment Maturity Date | [1],[2] | Nov. 17, 2022 | | | |
U.S. Treasury Bills, 2.740% due November 25, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 16.95% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 49,793,092 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 50,000,000 | | | |
Investment Interest Rate | [1] | 2.74% | | | |
Investment Maturity Date | [1] | Nov. 25, 2022 | | | |
U.S. Treasury Bills, 2.880% due December 1, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 6.78% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 19,905,354 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 20,000,000 | | | |
Investment Interest Rate | [1],[2] | 2.88% | | | |
Investment Maturity Date | [1],[2] | Dec. 01, 2022 | | | |
U.S. Treasury Bills, 2.965% due December 8, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 4.06% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 11,934,517 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 12,000,000 | | | |
Investment Interest Rate | [1],[2] | 2.965% | | | |
Investment Maturity Date | [1],[2] | Dec. 08, 2022 | | | |
Exchange-Traded Fund [Member] | Affiliated Investments [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [3] | 6.81% | | 7.40% | |
Affiliated investments, Value | [3] | $ 20,001,124 | | $ 36,070,938 | |
Affiliated Investments, Shares | [3] | 189,800 | | 341,500 | |
Affiliated Investments,Cost | [3] | $ 20,059,238 | | $ 36,044,535 | |
Money Market Funds [Member] | Affiliated Investments [Member] | Invesco Government and Agency Portfolio Institutional Class [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [3] | 69.81% | [4] | 57.82% | [5] |
Affiliated investments, Value | [3] | $ 205,040,366 | [4] | $ 281,668,913 | [5] |
Affiliated Investments, Shares | [3] | 205,040,366 | [4] | 281,668,913 | [5] |
Investment Interest Rate | [3] | 2.88% | [4] | 0.03% | [5] |
Affiliated Investments,Cost | [3] | $ 205,040,366 | [4] | $ 281,668,913 | [5] |
United States Treasury Obligations [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 65.15% | | 22.99% | |
United States Treasury Obligations, Value | [1] | $ 191,355,788 | | $ 112,005,375 | |
Investments in Securities, cost | [1] | $ 191,573,461 | | $ 112,003,993 | |
U.S. Treasury Bills, 0.040% due January 6, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 5.13% | |
United States Treasury Obligations, Value | [1] | | | $ 25,000,002 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 25,000,000 | |
Investment Interest Rate | [1] | | | 0.04% | |
Investment Maturity Date | [1] | | | Jan. 06, 2022 | |
U.S. Treasury Bills, 0.055% due January 20, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 5.13% | |
United States Treasury Obligations, Value | [1] | | | $ 24,999,911 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 25,000,000 | |
Investment Interest Rate | [1] | | | 0.055% | |
Investment Maturity Date | [1] | | | Jan. 20, 2022 | |
U.S. Treasury Bills, 0.055% due January 27, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[6] | | | 5.13% | |
United States Treasury Obligations, Value | [1],[6] | | | $ 24,999,625 | |
United States Treasury Obligations, Principal Value | [1],[6] | | | $ 25,000,000 | |
Investment Interest Rate | [1],[6] | | | 0.055% | |
Investment Maturity Date | [1],[6] | | | Jan. 27, 2022 | |
Restricted for maintenance margin | | | | $ 31,996,800 | |
U.S. Treasury Bills, 0.050% due February 3, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[6] | | | 5.14% | |
United States Treasury Obligations, Value | [1],[6] | | | $ 25,006,662 | |
United States Treasury Obligations, Principal Value | [1],[6] | | | $ 25,007,200 | |
Investment Interest Rate | [1],[6] | | | 0.05% | |
Investment Maturity Date | [1],[6] | | | Feb. 03, 2022 | |
U.S. Treasury Bills, 0.070% due March 10, 2022 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[6] | | | 2.46% | |
United States Treasury Obligations, Value | [1],[6] | | | $ 11,999,175 | |
United States Treasury Obligations, Principal Value | [1],[6] | | | $ 12,000,000 | |
Investment Interest Rate | [1],[6] | | | 0.07% | |
Investment Maturity Date | [1],[6] | | | Mar. 10, 2022 | |
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[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 $191,342,200 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.[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 September 30, 2022.[5]The rate shown is the 7-day SEC standardized yield as of December 31, 2021[6]United States Treasury Obligations of $31,996,800 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. | |