iShares Core S&P U.S. Growth ETF (IUSG)'s 30-day implied volatility (IV30) was 20.1% at the close on October 21, 2026, down from 20.9% the day before, against a 52-week range of 14.5% to 31.1%. Its 20-day historical volatility was 15.1%.

Key numbers

30-day implied volatility (IV30): 20.1%
IV30 52-week range: 14.5% to 31.1% (median 19.6%)
Historical volatility: 20-day 15.1%, 1-year 18.3%
Implied move by the nearest expiration: ±1.3%

Data as of October 21, 2026.

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

Name: IUSG Implied Volatility
Creator: Market Chameleon