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CONTRACTS AND AGREEMENTS -Brokerage Commission (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Brokerage commissions | $ 616,021 | $ 570,108 | $ 1,895,834 | $ 1,916,737
Commission |  |  |  |
Brokerage commissions |  |  | $ 1,895,834 | $ 1,916,737
Percentage of average daily net assets | 0.17% | 0.14% | 0.17% | 0.14%
Rebalancing Investments Transaction |  |  |  |
Brokerage commissions |  |  | $ 1,602,426 | $ 1,651,071
Percentage of average daily net assets | 84.52% | 86.14% | 84.52% | 86.14%
Creation And Redemption Activity |  |  |  |
Brokerage commissions |  |  | $ 293,408 | $ 265,666
Percentage of average daily net assets | 15.48% | 13.86% | 15.48% | 13.86%

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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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