iShares Dow Jones U.S. ETF (IYY)'s 30-day implied volatility (IV30) was 12.3% at the close on October 29, 2026, down from 12.8% the day before, against a 52-week range of 9.8% to 25.6%. Its 20-day historical volatility was 10.6%.

Key numbers

30-day implied volatility (IV30): 12.3%
IV30 52-week range: 9.8% to 25.6% (median 12.8%)
Historical volatility: 20-day 10.6%, 1-year 13.4%
Implied move by the nearest expiration: ±0.8%

Data as of October 29, 2026.

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

Name: IYY Implied Volatility
Creator: Market Chameleon