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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 | ​ | $ | 16.85 | ​ | $ | 20.36 | ​
Total income (loss) | ​ |  | 4.75 | ​ |  | (5.56) | ​
Total expenses | ​ |  | (0.06) | ​ |  | (0.06) | ​
Net increase (decrease) in net asset value | ​ |  | 4.69 | ​ |  | (5.62) | ​
Net asset value, end of period | ​ | $ | 21.54 | ​ | $ | 14.74 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Return | ​ |  | 27.83 | % |  | (27.60) | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ratios to Average Net Assets | ​ |  | ​ | ​ |  |  | ​
Total income (loss) | ​ |  | 34.42 | % |  | (19.68) | %
Management fees# | ​ |  | 0.60 | % |  | 0.60 | %
Total expenses excluding management fees# | ​ |  | 0.68 | % |  | 0.65 | %
Net income (loss) | ​ |  | 34.10 | % |  | (20.00) | %
# | Annualized.

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