State Street Technology Select Sector SPDR ETF (XLK)'s 30-day implied volatility (IV30) was 26.0% at the close on October 21, 2026, up from 25.7% the day before, against a 52-week range of 18.9% to 37.6%. Its 20-day historical volatility was 22.0%.

Key numbers

30-day implied volatility (IV30): 26.0%
IV30 52-week range: 18.9% to 37.6% (median 26.2%)
Historical volatility: 20-day 22.0%, 1-year 27.0%
Implied move by the nearest expiration: ±1.6%

Data as of October 21, 2026.

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

Name: XLK Implied Volatility
Creator: Market Chameleon