iShares Biotechnology ETF (IBB)'s 30-day implied volatility (IV30) was 25.9% at the close on October 30, 2026, up from 24.7% the day before, against a 52-week range of 16.1% to 30.9%. Its 20-day historical volatility was 28.9%.

Key numbers

30-day implied volatility (IV30): 25.9%
IV30 52-week range: 16.1% to 30.9% (median 22.5%)
Historical volatility: 20-day 28.9%, 1-year 23.1%
Implied move by the nearest expiration: ±1.6%

Data as of October 30, 2026.

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

Name: IBB Implied Volatility
Creator: Market Chameleon