iShares Russell 1000 ETF (IWB)'s 30-day implied volatility (IV30) was 16.6% at the close on October 30, 2026, up from 13.4% the day before, against a 52-week range of 11.1% to 26.8%. Its 20-day historical volatility was 10.2%.

Key numbers

30-day implied volatility (IV30): 16.6%
IV30 52-week range: 11.1% to 26.8% (median 14.2%)
Historical volatility: 20-day 10.2%, 1-year 13.1%
Implied move by the nearest expiration: ±0.8%

Data as of October 30, 2026.

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

Name: IWB Implied Volatility
Creator: Market Chameleon