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FINANCIAL HIGHLIGHTS (Tables) | 6 Months Ended
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Jun. 30, 2024
FINANCIAL HIGHLIGHTS |
Summary of per share performance data and other supplemental financial data | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three months ended |  | Three months ended | ​ |  | Six months ended |  | Six months ended |
​ | ​ | June 30, 2024 |  | June 30, 2023# | ​ | ​ | June 30, 2024 | ​ | June 30, 2023# | ​
​ | ​ | (Unaudited) | ​ | (Unaudited) | ​ | ​ | (Unaudited) | ​ | (Unaudited) | ​
Per Share Operating Performance: |  | ​ |  | ​ | ​ |  | ​ |  | ​ |  |  | ​ |  |
Net asset value, beginning of period | ​ | $ | 14.74 | ​ | $ | 28.05 | ​ | ​ | $ | 20.36 | ​ | $ | 56.90 | ​
Total income (loss) | ​ |  | 2.70 | ​ |  | 1.88 | ​ | ​ |  | (2.86) | ​ |  | (26.88) | ​
Total expenses | ​ |  | (0.05) | ​ |  | (0.07) | ​ | ​ |  | (0.11) | ​ |  | (0.16) | ​
Net increase (decrease) in net asset value | ​ |  | 2.65 | ​ |  | 1.81 | ​ | ​ |  | (2.97) | ​ |  | (27.04) | ​
Net asset value, end of period | ​ | $ | 17.39 | ​ | $ | 29.86 | ​ | ​ | $ | 17.39 | ​ | $ | 29.86 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Return | ​ |  | 17.98 | % |  | 6.42 | % | ​ |  | (14.59) | % |  | (47.52) | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ratios to Average Net Assets | ​ |  |  | ​ |  |  | ​ | ​ |  |  | ​ |  |  | ​
Total income (loss) | ​ |  | 21.95 | % |  | 9.90 | % | ​ |  | 1.79 | % |  | (32.62) | %
Management fees* | ​ |  | 0.60 | % |  | 0.60 | % | ​ |  | 0.60 | % |  | 0.60 | %
Total expenses excluding management fees* | ​ |  | 0.65 | % |  | 0.41 | % | ​ |  | 0.65 | % |  | 0.47 | %
Net income (loss) | ​ |  | 21.64 | % |  | 9.65 | % | ​ |  | 1.17 | % |  | (33.15) | %
* | Annualized.
# | On January 23, 2024 there was a 1 - for - 4 reverse share split. The Financial Highlights have been adjusted for the periods shown to reflect the 1 – for – 4 reverse share split on a retroactive basis.

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