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CONTRACTS AND AGREEMENTS - Brokerage and Futures Commissions Merchant Agreements (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Total commissions accrued to brokers | $ 763 | $ 390 | $ 1,550 | $ 521
Total commissions as annualized percentage of average total net assets | 0.04% | 0.03% | 0.04% | 0.03%
Rebalancing Investments Transaction [Member] |  |  |  |
Total commissions accrued to brokers |  |  | $ 994 | $ 358
Total commissions as annualized percentage of average total net assets | 64.13% | 68.71% | 64.13% | 68.71%
Creation And Redemption Activity [Member] |  |  |  |
Total commissions accrued to brokers |  |  | $ 556 | $ 163
Total commissions as annualized percentage of average total net assets | 35.87% | 31.29% | 35.87% | 31.29%

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- Definition The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees. + References No definition available. + Details
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- Details
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