iShares S&P Mid-Cap 400 Growth ETF (IJK)'s 30-day implied volatility (IV30) was 15.9% at the close on October 20, 2026, up from 15.6% the day before, against a 52-week range of 11.3% to 29.8%. Its 20-day historical volatility was 14.1%.

Key numbers

30-day implied volatility (IV30): 15.9%
IV30 52-week range: 11.3% to 29.8% (median 16.9%)
Historical volatility: 20-day 14.1%, 1-year 19.4%
Implied move by the nearest expiration: ±1.0%

Data as of October 20, 2026.

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

Name: IJK Implied Volatility
Creator: Market Chameleon