Schedule of Investments (Unaudited) - Treasury Bills and Affiliated Investments - USD ($) | Jun. 30, 2022 | Dec. 31, 2021 |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 103.88% | 102.39% | |
United States Treasury Obligations, Value | | $ 182,038,295 | $ 83,008,558 | |
Affiliated Investments, Value | | 345,627,559 | 361,947,746 | |
Investments in Securities, Value | | 527,665,854 | 444,956,304 | |
Investments in Securities, Cost | | $ 528,069,032 | $ 445,058,061 | |
Affiliated Investments [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 68.05% | 83.28% | |
Affiliated Investments, Value | | $ 345,627,559 | $ 361,947,746 | |
Affiliated Investments, Cost | | $ 345,740,837 | $ 362,050,622 | |
U.S. Treasury Bills, 0.670% due July 7, 2022 [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 5.90% | | |
United States Treasury Obligations, Value | | $ 29,996,344 | | |
United States Treasury Obligations, Principal Value | | $ 30,000,000 | | |
Investment Interest Rate | | 0.67% | | |
Investment Maturity Date | | Jul. 07, 2022 | | |
U.S. Treasury Bills, 0.910% due August 4, 2022 [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 5.90% | | |
United States Treasury Obligations, Value | | $ 29,967,027 | | |
United States Treasury Obligations, Principal Value | | $ 30,000,000 | | |
Investment Interest Rate | | 0.91% | | |
Investment Maturity Date | | Aug. 04, 2022 | | |
U.S. Treasury Bills, 1.120% due September 1, 2022 [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 2.95% | | |
United States Treasury Obligations, Value | | $ 14,960,895 | | |
United States Treasury Obligations, Principal Value | | $ 15,000,000 | | |
Investment Interest Rate | | 1.12% | | |
Investment Maturity Date | | Sep. 01, 2022 | | |
U.S. Treasury Bills, 1.850% due October 6, 2022 [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 5.88% | | |
United States Treasury Obligations, Value | | $ 29,860,175 | | |
United States Treasury Obligations, Principal Value | | $ 30,000,000 | | |
Investment Interest Rate | | 1.85% | | |
Investment Maturity Date | | Oct. 06, 2022 | | |
U.S. Treasury Bills, 1.580% due December 1, 2022 [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 9.74% | | |
United States Treasury Obligations, Value | | $ 49,532,765 | | |
United States Treasury Obligations, Principal Value | | $ 50,000,000 | | |
Investment Interest Rate | | 1.58% | | |
Investment Maturity Date | | Dec. 01, 2022 | | |
U.S. Treasury Bills, 1.710% due December 8, 2022 [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 5.46% | | |
United States Treasury Obligations, Value | | $ 27,721,089 | | |
United States Treasury Obligations, Principal Value | | $ 28,000,000 | | |
Investment Interest Rate | | 1.71% | | |
Investment Maturity Date | | Dec. 08, 2022 | | |
US Treasury and Government | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 35.83% | 19.11% | [1] |
United States Treasury Obligations, Value | | $ 182,038,295 | $ 83,008,558 | [1] |
Investments in Securities, Cost | | 182,328,195 | 83,007,439 | |
Restricted for maintenance margin | | $ 127,270,500 | $ 80,991,900 | |
Exchange Traded Funds | Affiliated Investments [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 8.65% | 10.11% | [2] |
Affiliated Investments, Value | | $ 43,940,160 | $ 43,950,562 | [2] |
Affiliated Investments, Shares | | 416,100 | 416,100 | [2] |
Affiliated Investments, Cost | | $ 44,053,438 | $ 44,053,438 | |
Money Market Funds | Affiliated Investments [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | | 59.40% | 73.17% | [2],[3] |
Affiliated Investments, Value | | $ 301,687,399 | $ 317,997,184 | [2],[3] |
Affiliated Investments, Shares | | 301,687,399 | 317,997,184 | [2],[3] |
Investment Interest Rate | | 1.39% | 0.03% | |
Affiliated Investments, Cost | | $ 301,687,399 | $ 317,997,184 | |
U.S. Treasury Bills, 0.050% due January 13, 2022 [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | [4] | | 4.60% | |
United States Treasury Obligations, Value | [4] | | $ 19,999,944 | |
United States Treasury Obligations, Principal Value | [4] | | $ 20,000,000 | |
Investment Interest Rate | | | 0.05% | |
Investment Maturity Date | | | Jan. 13, 2022 | |
U.S. Treasury Bills, 0.040% due January 6, 2022 [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | [4] | | 7.13% | |
United States Treasury Obligations, Value | [4] | | $ 31,000,003 | |
United States Treasury Obligations, Principal Value | [4] | | $ 31,000,000 | |
Investment Interest Rate | | | 0.04% | |
Investment Maturity Date | | | Jan. 06, 2022 | |
U.S. Treasury Bills, 0.050% due February 3, 2022 [Member] | | | | |
Schedule of Investments [Line Items] | | | | |
Percentage of Shareholders' Equity | [4] | | 7.38% | |
United States Treasury Obligations, Value | [4] | | $ 32,008,611 | |
United States Treasury Obligations, Principal Value | [4] | | $ 32,009,300 | |
Investment Interest Rate | | | 0.05% | |
Investment Maturity Date | | | Feb. 03, 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]Affiliated company. 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.[3]The rate shown is the 7-day SEC standardized yield as of December 31, 2021.[4]United States Treasury Obligations of $80,991,900 are on deposit with the Commodity Broker and held as maintenance margin for open futures | |