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CONTRACTS AND AGREEMENTS - Brokerage Commissions (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Brokerage commissions | $ 25,440 | $ 24,361 | $ 51,724 | $ 48,093
Percentage Of Average Daily Net Assets | 0.11% | 0.10% | 0.11% | 0.10%
Rebalancing Investments Transaction [Member] |  |  |  |
Brokerage commissions |  |  | $ 50,744 | $ 46,242
Percentage Of Average Daily Net Assets | 98.11% | 96.15% | 98.11% | 96.15%
Creation And Redemption Activity [Member] |  |  |  |
Brokerage commissions |  |  | $ 980 | $ 1,851
Percentage Of Average Daily Net Assets | 1.89% | 3.85% | 1.89% | 3.85%

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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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