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Financial Highlights Per Share Performance | 12 Months Ended
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Dec. 31, 2023
Investment Company, Financial Highlights [Abstract] |
Financial Highlights Per Share Performance | 9. Financial Highlights Per Share Performance
|  | Years Ended December 31, |
| 2023 |  |  | 2022 |  |  | 2021 |
Per Share Data |  |  |  |  |  |  |  |  |  |  |  |
Principal Market net asset value, beginning of year |  | $ | 15.11 |  |  | $ | 42.72 |  |  | $ | 27.73 |
Net increase (decrease) in net assets from investment operations: |  |  |  |  |  |  |  |  |  |  |  |
Net investment loss |  |  | (0.52 | ) |  |  | (0.52 | ) |  |  | (0.89 | )
Net realized and unrealized gain (loss) |  |  | 23.47 |  |  |  | (27.09 | ) |  |  | 15.88 |
Net increase (decrease) in net assets resulting from operations |  |  | 22.95 |  |  |  | (27.61 | ) |  |  | 14.99 |
Principal Market net asset value, end of year |  | $ | 38.06 |  |  | $ | 15.11 |  |  | $ | 42.72 |
Total return |  |  | 151.89 | % |  |  | (64.63 | )% |  |  | 54.06 | %
Ratios to average net assets: |  |  |  |  |  |  |  |  |  |  |  |
Net investment loss |  |  | (2.00 | )% |  |  | (2.00 | )% |  |  | (2.00 | )%
Expenses |  |  | (2.00 | )% |  |  | (2.00 | )% |  |  | (2.00 | )%
An individual shareholder’s return, ratios, and per Share performance may vary from those presented above based on the timing of Share transactions. The amount shown for a Share outstanding throughout the period may not correlate with the Statement of Operations for the period due to the number of Shares issued in Creations occurring at an operational value derived from an operating metric as defined in the Trust Agreement. Total return is calculated assuming an initial investment made at the Principal Market NAV at the beginning of the year and assuming redemption on the last day of the year.

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