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Financial Highlights - Summary of Financial Highlights (Details) - $ / shares | 7 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2025
Financial Highlights [Abstract] |  |  |  |
Net asset value per share, beginning of period (in Dollars per share) |  | $ 50 |  | $ 48.81
From investment operations: |  |  |  |
Net investment loss (in Dollars per share) | [1] | 0 |  | (0.06)
Net realized gain (loss) and change in unrealized appreciation (depreciation) from investments in ether (in Dollars per share) | [2] | (1.19) |  | (5.28)
Net decrease resulting from operations (in Dollars per share) |  | (1.19) |  | (5.34)
Net asset value per share, end of period (in Dollars per share) |  | $ 48.81 |  | $ 43.47
Total return | [3] | (2.38%) |  | (10.94%)
Ratios to average net assets |  |  |  |
Expenses before fee waiver |  | 0.20% | [4],[5] | 0.20%
Expenses after fee waiver |  | 0.00% | [4],[5] | 0.12%
Net investment loss |  | 0.00% | [4],[5] | (0.12%)
[1] | Net investment loss per share has been calculated based upon an average of daily shares outstanding.
[2] | The amount shown for a share outstanding throughout the period may not agree with the change in the aggregate gains and losses for the period because of the timing of sales and repurchases of the Trust’s shares in relation to fluctuating market values for the Trust.
[3] | Returns are not annualized and include adjustments required by GAAP. Returns for financial statements purposes may differ from net asset values and performance reported elsewhere by the Trust.
[4] | Annualized.
[5] | Calculated based upon daily average net assets from July 22, 2024 (Date of Effectiveness) to December 31, 2024.

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