iShares Bitcoin Trust ETF (IBIT)'s 30-day implied volatility (IV30) was 36.8% at the close on October 23, 2026, down from 37.5% the day before, against a 52-week range of 31.8% to 86.4%. Its 20-day historical volatility was 30.2%.

Key numbers

30-day implied volatility (IV30): 36.8%
IV30 52-week range: 31.8% to 86.4% (median 41.1%)
Historical volatility: 20-day 30.2%, 1-year 42.5%
Implied move by the nearest expiration: ±2.0%

Data as of October 23, 2026.

IBIT Implied Volatility (IV) vs Historical Volatility (HV)

Name: IBIT Implied Volatility
Creator: Market Chameleon