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FINANCIAL HIGHLIGHTS (Tables) | 3 Months Ended
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Mar. 31, 2023
FINANCIAL HIGHLIGHTS |
Schedule of per unit performance data and other supplemental financial data | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three months ended |  | Three months ended |
​ | ​ | March 31, 2023 | ​ | March 31, 2022 | ​
​ | ​ | (Unaudited) | ​ | (Unaudited) | ​
Per Share Operating Performance: |  | ​ |  |  | ​ |  | ​
Net asset value, beginning of period | ​ | $ | 70.05 | ​ | $ | 54.18 | ​
Total income (loss) | ​ |  | (3.47) | ​ |  | 19.75 | ​
Total expenses | ​ |  | (0.11) | ​ |  | (0.10) | ​
Net increase (decrease) in net asset value | ​ |  | (3.58) | ​ |  | 19.65 | ​
Net asset value, end of period | ​ | $ | 66.47 | ​ | $ | 73.83 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Return | ​ |  | (5.11) | % |  | 36.27 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ratios to Average Net Assets | ​ |  | ​ | ​ |  | ​ | ​
Total income (loss) | ​ |  | (3.95) | % |  | 28.67 | %
Management fees# | ​ |  | 0.45 | % |  | 0.45 | %
Total expenses excluding management fees# | ​ |  | 0.23 | % |  | 0.19 | %
Net income (loss) | ​ |  | (4.12) | % |  | 28.52 | %
# | Annualized.

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- Definition Tabular disclosure of per unit performance data and other supplemental financial data. + References No definition available. + Details
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