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CONTRACTS AND AGREEMENTS -Brokerage Commission (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Brokerage commissions | $ 6,104,865 | $ 2,423,017 | $ 2,538,611
Commission |  |  |
Brokerage commissions | $ 6,104,865 | $ 2,423,017 | $ 2,538,611
Percentage of average daily net assets | 0.18% | 0.17% | 0.14%
Rebalancing Investments Transaction |  |  |
Brokerage commissions | $ 5,072,915 | $ 2,052,263 | $ 2,145,268
Percentage of average daily net assets | 83.10% | 84.70% | 84.51%
Creation And Redemption Activity |  |  |
Brokerage commissions | $ 1,031,950 | $ 370,754 | $ 393,343
Percentage of average daily net assets | 16.90% | 15.30% | 15.49%

X
- 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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