Schedule of Investments (Unaudited) - Treasury Bills and Affiliated Investments - USD ($) | Jun. 30, 2021 | Dec. 31, 2020 |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 99.95% | | 99.35% | |
United States Treasury Obligations, Value | | $ 39,996,269 | | $ 19,993,340 | |
Affiliated Investments, Value | | 69,118,537 | | 38,268,976 | |
Investments in Securities, Value | | 109,114,806 | | 58,262,316 | |
Investments in Securities, cost | | $ 109,085,839 | | $ 58,232,948 | |
Affiliated Investments [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 63.31% | | 65.26% | |
Affiliated Investments, Value | | $ 69,118,537 | | $ 38,268,976 | |
Affiliated investments, at cost | | $ 69,090,396 | | $ 38,240,835 | |
U.S. Treasury Bills, 0.040% due August 5, 2021 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 16.49% | | | |
United States Treasury Obligations, Value | [1] | $ 17,999,317 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 18,000,000 | | | |
Investment Interest Rate | [1] | 0.04% | | | |
Investment Maturity Date | [1] | Aug. 5, 2021 | | | |
U.S. Treasury Bills, 0.050% due August 12, 2021 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 4.58% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 4,999,723 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 5,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.05% | | | |
Investment Maturity Date | [1],[2] | Aug. 12, 2021 | | | |
Restricted for maintenance margin | | $ 11,998,300 | | | |
U.S. Treasury Bills, 0.025% due September 9, 2021 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 1.83% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 1,999,839 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 2,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.025% | | | |
Investment Maturity Date | [1],[2] | Sep. 9, 2021 | | | |
Restricted for maintenance margin | | $ 11,998,300 | | | |
U.S. Treasury Bills, 0.050% due October 7, 2021 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 4.58% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 4,999,422 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 5,000,000 | | | |
Investment Interest Rate | [1],[2] | 0.05% | | | |
Investment Maturity Date | [1],[2] | Oct. 7, 2021 | | | |
Restricted for maintenance margin | | $ 11,998,300 | | | |
U.S. Treasury Bills, 0.035% due December 2, 2021 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 9.16% | | | |
United States Treasury Obligations, Value | [1] | $ 9,997,968 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 10,000,000 | | | |
Investment Interest Rate | [1] | 0.035% | | | |
Investment Maturity Date | [1] | Dec. 2, 2021 | | | |
US Treasury and Government | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 36.64% | | 34.09% | |
United States Treasury Obligations, Value | [1] | $ 39,996,269 | | $ 19,993,340 | |
Investments in Securities, cost | | $ 39,995,443 | | $ 19,992,113 | |
Exchange Traded Funds | Affiliated Investments [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [3] | 9.21% | | 17.16% | |
Affiliated Investments, Value | [3] | $ 10,059,784 | | $ 10,059,784 | |
Affiliated Investments, Shares | [3] | 95,200 | | 95,200 | |
Affiliated investments, at cost | [3] | $ 10,031,643 | | $ 10,031,643 | |
U.S. Treasury Bills, 0.080% due March 11, 2021 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[4] | | | 13.64% | |
United States Treasury Obligations, Value | [1],[4] | | | $ 7,999,047 | |
United States Treasury Obligations, Principal Value | [1],[4] | | | $ 8,000,000 | |
Investment Interest Rate | [1],[4] | | | 0.08% | |
Investment Maturity Date | [1],[4] | | | Mar. 11, 2021 | |
Restricted for maintenance margin | | | | $ 7,998,400 | |
U.S. Treasury Bills, 0.090% due June 10, 2021 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 8.52% | |
United States Treasury Obligations, Value | [1] | | | $ 4,998,414 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 5,000,000 | |
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] | | | 3.41% | |
United States Treasury Obligations, Value | [1] | | | $ 1,998,946 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 2,000,000 | |
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] | | | 8.52% | |
United States Treasury Obligations, Value | [1] | | | $ 4,996,933 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 5,000,000 | |
Investment Interest Rate | [1] | | | 0.14% | |
Investment Maturity Date | [1] | | | Oct. 7, 2021 | |
Money Market Mutual Fund - Invesco Government & Agency Portfolio, Institutional Class [Member] | Affiliated Investments [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [3] | 54.10% | [5] | 48.10% | [6] |
Affiliated Investments, Value | [3] | $ 59,058,753 | [5] | $ 28,209,192 | [6] |
Affiliated Investments, Shares | [3] | 59,058,753 | [5] | 28,209,192 | [6] |
Investment Interest Rate | [3] | 0.03% | [5] | 0.03% | [6] |
Affiliated investments, at cost | [3] | $ 59,058,753 | [5] | $ 28,209,192 | [6] |
| |
[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 $11,998,300 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] | United States Treasury Obligations of $7,998,400 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. | |
[5] | The rate shown is the 7-day SEC standardized yield as of June 30, 2021. | |
[6] | The security and the Fund are advised by wholly-owned subsidiaries of Invesco Ltd. and are therefore considered to be affiliated. The rate shown is the 7-day SEC standardized yield as of December 31, 2020. | |