v3.26.1
Financial Highlights Per Share Performance - Summary of Per Share Data (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Investment Company, Financial Highlights [Roll Forward]        
Principal Market NAV, beginning of period $ 6.14 $ 9.21 $ 9.09 $ 14.33
Net decrease in net assets from investment operations:        
Net investment income (loss) 0.07 (0.07) 0.17 (0.15)
Net realized and unrealized loss (0.67) 2.39 (3.72) (2.65)
Net decrease in net assets resulting from operations (0.6) 2.32 (3.55) (2.8)
Principal Market NAV, end of period $ 5.54 $ 11.53 $ 5.54 $ 11.53
Total return (9.77%) 25.19% (39.05%) (19.54%)
Ratios to average net assets:        
Net investment income (loss) 4.49% 2.50% 5.14% 2.50%
Sponsor's Fee 0.34% 2.50% 0.34% 2.50%
Sponsor's Staking Fee 1.18% 0.00% 0.93% 0.00%
Gross Expenses 1.52% 2.50% 1.27% 2.50%
Sponsor's Fee Waiver 0.00% 0.00% 0.10% 0.00%
Net expenses (1.52%) (2.50%) (1.17%) (2.50%)