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FINANCIAL HIGHLIGHTS (Tables) | 3 Months Ended
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Mar. 31, 2025
FINANCIAL HIGHLIGHTS |
Summary of per share performance data and other supplemental financial data | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three months ended |  | Three months ended |
​ | ​ | March 31, 2025 | ​ | March 31, 2024 | ​
​ | ​ | (Unaudited) | ​ | (Unaudited) | ​
Per Share Operating Performance: |  | ​ |  |  | ​ |  |
Net asset value, beginning of period | ​ | $ | 75.45 | ​ | $ | 66.91 | ​
Total income (loss) | ​ |  | 2.06 | ​ |  | 12.17 | ​
Total expenses | ​ |  | (0.16) | ​ |  | (0.15) | ​
Net increase (decrease) in net asset value | ​ |  | 1.90 | ​ |  | 12.02 | ​
Net asset value, end of period | ​ | $ | 77.35 | ​ | $ | 78.93 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Return | ​ |  | 2.52 | % |  | 17.96 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ratios to Average Net Assets | ​ |  | ​ | ​ |  | ​ | ​
Total income (loss) | ​ |  | 4.17 | % |  | 17.15 | %
Management fees# | ​ |  | 0.45 | % |  | 0.45 | %
Total expenses excluding management fees# | ​ |  | 0.39 | % |  | 0.37 | %
Net income (loss) | ​ |  | 3.97 | % |  | 16.95 | %
# | 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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