v3.26.1
Financial Highlights - Summary of Financial Highlights of NAV per Share (Details) - $ / shares
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Net Asset Value    
Net asset value per Share, beginning of period $ 8.37 $ 12.45
Net realized and change in unrealized gain (loss) on investments in Solana (0.79) (4.92)
Net investment income (loss) 0.05 0.11
Net income (loss) (0.74) (4.81)
Less: Distributions to shareholders from net investment income (0.06) (0.07)
Net asset value per Share, end of period 7.57 7.57
Market value per Share, beginning of period 8.3 12.41
Market value per Share, end of period $ 7.39 $ 7.39
Ratio to average Net Assets    
Net Investment income (loss) 2.62% 2.48%
Expenses 0.25% 0.25%
Total Return, at net asset value (8.89%) (38.65%)
Total Return, at market value (10.30%) (39.92%)