iShares U.S. Basic Materials ETF (IYM)'s 30-day implied volatility (IV30) was 19.1% at the close on October 29, 2026, down from 20.7% the day before, against a 52-week range of 11.8% to 28.9%. Its 20-day historical volatility was 17.0%.

Key numbers

30-day implied volatility (IV30): 19.1%
IV30 52-week range: 11.8% to 28.9% (median 20.2%)
Historical volatility: 20-day 17.0%, 1-year 21.2%
Implied move by the nearest expiration: ±1.3%

Data as of October 29, 2026.

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

Name: IYM Implied Volatility
Creator: Market Chameleon