Schedule of Investments - Treasury Bills and Affiliated Investments - USD ($) | Dec. 31, 2022 | Dec. 31, 2021 |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 97.96% | | 102.11% | |
United States Treasury Obligations, Value | | $ 104,390,943 | | $ 37,999,954 | |
Affiliated Investments, Value | | 46,472,701 | | 71,801,967 | |
Investments in Securities, Value | | 150,863,644 | | 109,801,921 | |
Investments in Securities, cost | | $ 150,831,611 | | $ 109,777,768 | |
Affiliated Investments [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 30.17% | | 66.77% | |
Affiliated Investments, Value | | $ 46,472,701 | | $ 71,801,967 | |
Affiliated investments, at cost | | $ 46,475,976 | | $ 71,778,110 | |
U.S. Treasury Bills, 3.820% due January 19, 2023 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 12.97% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 19,967,867 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 20,000,000 | | | |
Investment Interest Rate | [1],[2] | 3.82% | | | |
Investment Maturity Date | [1],[2] | Jan. 19, 2023 | | | |
Restricted for maintenance margin | | $ 59,690,000 | | | |
U.S. Treasury Bills, 4.155% due February 16, 2023 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 9.69% | | | |
United States Treasury Obligations, Value | [1] | $ 14,925,498 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 15,000,000 | | | |
Investment Interest Rate | [1] | 4.155% | | | |
Investment Maturity Date | [1] | Feb. 16, 2023 | | | |
U.S. Treasury Bills, 4.285% due March 2, 2023 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 25.80% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 39,727,150 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 40,000,000 | | | |
Investment Interest Rate | [1],[2] | 4.285% | | | |
Investment Maturity Date | [1],[2] | Mar. 02, 2023 | | | |
Restricted for maintenance margin | | $ 59,690,000 | | | |
U.S. Treasury Bills, 4.270% due March 9, 2023 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 19.33% | | | |
United States Treasury Obligations, Value | [1] | $ 29,770,428 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 30,000,000 | | | |
Investment Interest Rate | [1] | 4.27% | | | |
Investment Maturity Date | [1] | Mar. 09, 2023 | | | |
United States Treasury Obligations [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 67.79% | | 35.34% | |
United States Treasury Obligations, Value | [1] | $ 104,390,943 | | $ 37,999,954 | |
Investments in Securities, cost | | $ 104,355,635 | | $ 37,999,658 | |
Exchange Traded Funds [Member] | Affiliated Investments [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [3] | 6.51% | | 9.35% | |
Affiliated Investments, Value | [3] | $ 10,028,368 | | $ 10,055,500 | |
Affiliated Investments, Shares | [3] | 95,200 | | 95,200 | |
Affiliated investments, at cost | [3] | $ 10,031,643 | | $ 10,031,643 | |
Invesco Government And Agency Portfolio [Member] | Affiliated Investments [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [3] | 23.66% | [4] | 57.42% | [5] |
Affiliated Investments, Value | [3] | $ 36,444,333 | [4] | $ 61,746,467 | [5] |
Affiliated Investments, Shares | [3] | 36,444,333 | [4] | 61,746,467 | [5] |
Investment Interest Rate | [3] | 4.22% | [4] | 0.03% | [5] |
Affiliated investments, at cost | [3] | $ 36,444,333 | [4] | $ 61,746,467 | [5] |
U.S. Treasury Bills, 0.040% due January 6, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 6.51% | |
United States Treasury Obligations, Value | [1] | | | $ 7,000,001 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 7,000,000 | |
Investment Interest Rate | [1] | | | 0.04% | |
Investment Maturity Date | [1] | | | Jan. 06, 2022 | |
U.S. Treasury Bills, 0.055% due January 20, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 11.16% | |
United States Treasury Obligations, Value | [1] | | | $ 11,999,957 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 12,000,000 | |
Investment Interest Rate | [1] | | | 0.055% | |
Investment Maturity Date | [1] | | | Jan. 20, 2022 | |
U.S. Treasury Bills, 0.050% due February 3, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[6] | | | 7.44% | |
United States Treasury Obligations, Value | [1],[6] | | | $ 8,002,128 | |
United States Treasury Obligations, Principal Value | [1],[6] | | | $ 8,002,300 | |
Investment Interest Rate | [1],[6] | | | 0.05% | |
Investment Maturity Date | [1],[6] | | | Feb. 03, 2022 | |
Restricted for maintenance margin | | | | $ 16,997,300 | |
U.S. Treasury Bills, 0.070% due March 10, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 0.93% | |
United States Treasury Obligations, Value | [1] | | | $ 999,931 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 1,000,000 | |
Investment Interest Rate | [1] | | | 0.07% | |
Investment Maturity Date | [1] | | | Mar. 10, 2022 | |
U.S. Treasury Bills, 0.060% due April 21, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[6] | | | 9.30% | |
United States Treasury Obligations, Value | [1],[6] | | | $ 9,997,937 | |
United States Treasury Obligations, Principal Value | [1],[6] | | | $ 10,000,000 | |
Investment Interest Rate | [1],[6] | | | 0.06% | |
Investment Maturity Date | [1],[6] | | | Apr. 21, 2022 | |
Restricted for maintenance margin | | | | $ 16,997,300 | |
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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 $59,690,000 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 December 31, 2022.[5]The rate shown is the 7-day SEC standardized yield as of December 31, 2021.[6]United States Treasury Obligations of $16,997,300 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. | |