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FINANCIAL HIGHLIGHTS (Tables) | 12 Months Ended
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Dec. 31, 2022
FINANCIAL HIGHLIGHTS |
Schedule of per unit performance data and other supplemental financial data | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year ended |  | Year ended |  | Year ended |
​ | ​ | December 31, 2022 | ​ | December 31, 2021 | ​ | December 31, 2020 |
Per Share Operating Performance: |  | ​ |  |  | ​ |  |  | ​ |  | ​
Net asset value, beginning of year | ​ | $ | 54.18 | ​ | $ | 33.07 | ​ | $ | 102.27 | ​
Total income (loss) | ​ |  | 16.31 | ​ |  | 21.48 | ​ |  | (68.95) | ​
Total expenses | ​ |  | (0.44) | ​ |  | (0.37) | ​ |  | (0.25) | ​
Net increase (decrease) in net asset value | ​ |  | 15.87 | ​ |  | 21.11 | ​ |  | (69.20) | ​
Net asset value, end of year | ​ | $ | 70.05 | ​ | $ | 54.18 | ​ | $ | 33.07 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Return | ​ |  | 29.29 | % |  | 63.83 | % |  | (67.66) | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ratios to Average Net Assets | ​ |  | ​ | ​ |  | ​ | ​ |  |  | ​
Total income (loss) | ​ |  | 31.22 | % |  | 54.68 | % |  | (54.88) | %
Management fees | ​ |  | 0.45 | % |  | 0.45 | % |  | 0.45 | %
Total expenses excluding management fees | ​ |  | 0.15 | % |  | 0.36 | % |  | 0.38 | %
Net income (loss) | ​ |  | 30.61 | % |  | 53.87 | % |  | (55.71) | %
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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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