Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($) | Jun. 30, 2022 | Dec. 31, 2021 |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 100.81% | | 98.74% | |
United States Treasury Obligations, Value | | $ 39,725,297 | | $ 31,996,668 | |
Affiliated investments, at value (cost $68,787,177 and $79,277,598, respectively) | | 68,746,023 | | 79,239,151 | |
Investments in Securities, Value | | 108,471,320 | | 111,235,819 | |
Investments in Securities, Cost | | $ 108,594,825 | | $ 111,275,102 | |
Affiliated Investments [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 63.89% | | 70.34% | |
Affiliated investments, at value (cost $68,787,177 and $79,277,598, respectively) | | $ 68,746,023 | | $ 79,239,151 | |
Investments in Securities, Cost | | $ 68,787,177 | | $ 79,277,598 | |
U.S. Treasury Bills, 0.670% due July 7, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 4.65% | | | |
United States Treasury Obligations, Value | [1] | $ 4,999,390 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 5,000,000 | | | |
Investment Interest Rate | [1] | 0.67% | | | |
Investment Maturity Date | [1] | Jul. 07, 2022 | | | |
U.S. Treasury Bills, 1.850% due October 6, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 4.63% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 4,976,696 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 5,000,000 | | | |
Investment Interest Rate | [1],[2] | 1.85% | | | |
Investment Maturity Date | [1],[2] | Oct. 06, 2022 | | | |
U.S. Treasury Bills, 1.385% due November 10, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 13.83% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 14,889,381 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 15,000,000 | | | |
Investment Interest Rate | [1],[2] | 1.385% | | | |
Investment Maturity Date | [1],[2] | Nov. 10, 2022 | | | |
U.S. Treasury Bills, 1.580% due December 1, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 13.81% | | | |
United States Treasury Obligations, Value | [1],[2] | $ 14,859,830 | | | |
United States Treasury Obligations, Principal Value | [1],[2] | $ 15,000,000 | | | |
Investment Interest Rate | [1],[2] | 1.58% | | | |
Investment Maturity Date | [1],[2] | Dec. 01, 2022 | | | |
United States Treasury Obligations [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 36.92% | | 28.40% | |
United States Treasury Obligations, Value | [1] | $ 39,725,297 | | $ 31,996,668 | |
Investments in Securities, Cost | [1] | 39,807,648 | | 31,997,504 | |
Restricted for maintenance margin | | $ 27,790,300 | [1] | $ 26,992,800 | |
Exchange Traded Funds [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [3] | 10.63% | | 10.15% | |
Affiliated investments, at value (cost $68,787,177 and $79,277,598, respectively) | [3] | $ 11,436,480 | | $ 11,439,187 | |
Affiliated Investments, Shares | [3] | 108,300 | | 108,300 | |
Exchange Traded Funds [Member] | Affiliated Investments [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Affiliated investments, at value (cost $68,787,177 and $79,277,598, respectively) | | $ 11,436,480 | | $ 11,439,187 | |
Investments in Securities, Cost | [3] | $ 11,477,634 | | $ 11,477,634 | |
Invesco Government & Agency Portfolio, Institutional Class [Member] | Affiliated Investments [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 53.26% | [3],[4] | 60.19% | |
Affiliated investments, at value (cost $68,787,177 and $79,277,598, respectively) | | $ 57,309,543 | [3],[4] | $ 67,799,964 | |
Affiliated Investments, Shares | | 57,309,543 | [3],[4] | 67,799,964 | |
Investment Interest Rate | [3] | 1.39% | [4] | 0.03% | [5] |
Investments in Securities, Cost | [3] | $ 57,309,543 | [4] | $ 67,799,964 | [5] |
U.S. Treasury Bills, 0.040% due January 6, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | | | 4.44% | |
United States Treasury Obligations, Value | [1] | | | $ 5,000,000 | |
United States Treasury Obligations, Principal Value | [1] | | | $ 5,000,000 | |
Investment Interest Rate | [1] | | | 0.04% | |
Investment Maturity Date | [1],[6] | | | Jan. 06, 2022 | |
U.S. Treasury Bills, 0.050% due January 13, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[6] | | | 3.55% | |
United States Treasury Obligations, Value | [1],[6] | | | $ 3,999,989 | |
United States Treasury Obligations, Principal Value | [1],[6] | | | $ 4,000,000 | |
Investment Interest Rate | [1],[6] | | | 0.05% | |
Investment Maturity Date | [1],[6] | | | Jan. 13, 2022 | |
U.S. Treasury Bills, 0.050% due February 3, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[6] | | | 4.44% | |
United States Treasury Obligations, Value | [1],[6] | | | $ 5,001,293 | |
United States Treasury Obligations, Principal Value | [1],[6] | | | $ 5,001,400 | |
Investment Interest Rate | [1],[6] | | | 0.05% | |
Investment Maturity Date | [1],[6] | | | Feb. 03, 2022 | |
U.S. Treasury Bills, 0.065% due May 12, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[6] | | | 13.31% | |
United States Treasury Obligations, Value | [1],[6] | | | $ 14,995,431 | |
United States Treasury Obligations, Principal Value | [1],[6] | | | $ 15,000,000 | |
Investment Interest Rate | [1],[6] | | | 0.065% | |
Investment Maturity Date | [1],[6] | | | May 12, 2022 | |
U.S. Treasury Bills, 0.055% due January 27, 2022 [Member] | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[6] | | | 2.66% | |
United States Treasury Obligations, Value | [1],[6] | | | $ 2,999,955 | |
United States Treasury Obligations, Principal Value | [1],[6] | | | $ 3,000,000 | |
Investment Interest Rate | [1],[6] | | | 0.055% | |
Investment Maturity Date | [1],[6] | | | Jan. 27, 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 $27,790,300 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]The rate shown is the 7-day SEC standardized yield as of June 30, 2022.[5]The rate shown is the 7-day SEC standardized yield as of December 31, 2021.[6]United States Treasury Obligations of $26,992,800 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. | |