Grayscale Bitcoin Trust ETF (GBTC)'s 30-day implied volatility (IV30) was 37.0% at the close on November 11, 2026, down from 39.7% the day before, against a 52-week range of 30.6% to 91.1%. Its 20-day historical volatility was 35.6%.
Data as of November 11, 2026.