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CONTRACTS AND AGREEMENTS (Tables) | 3 Months Ended
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Mar. 31, 2021
CONTRACTS AND AGREEMENTS |
Schedule of brokerage commissions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months | ​ | Three months | ​
​ | ​ | ended | ​ | ended | ​
​ | ​ | March 31, 2021 | ​ | March 31, 2020 | ​
Total commissions accrued to brokers | ​ | $ | 257,862 | ​ | $ | 572,700 | ​
Total commissions as annualized percentage of average total net assets |  | ​ | 0.30 | % | ​ | 0.50 | %
Commissions accrued as a result of rebalancing | ​ | $ | 225,188 | ​ | $ | 496,696 | ​
Percentage of commissions accrued as a result of rebalancing | ​ | ​ | 87.33 | % | ​ | 86.73 | %
Commissions accrued as a result of creation and redemption activity | ​ | $ | 32,674 | ​ | $ | 76,004 | ​
Percentage of commissions accrued as a result of creation and redemption activity | ​ |  | 12.67 | % |  | 13.27 | %

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