v3.25.1
Financial Highlights - Summary of Financial Highlights of NAV per Share (Details)
3 Months Ended
Mar. 31, 2025
$ / shares
Net Asset Value  
Net asset value per Share, beginning of period $ 33.28
Net realized and change in unrealized gain (loss) on investments in Ether (15.02)
Net investment income (loss) (0.02)
Net income (loss) (15.04)
Net asset value per Share, end of period 18.24
Market value per Share, beginning of period 33.39
Market value per Share, end of period $ 18.24
Ratio to average Net Assets  
Investment income (loss) (0.25%)
Expenses 0.25%
Total Return, at net asset value (45.19%)
Total Return, at market value (45.37%)