State Street SPDR Portfolio Developed World Ex-Us ETF (SPDW)'s 30-day implied volatility (IV30) was 16.5% at the close on October 23, 2026, up from 16.4% the day before, against a 52-week range of 9.6% to 27.4%. Its 20-day historical volatility was 13.0%.

Key numbers

30-day implied volatility (IV30): 16.5%
IV30 52-week range: 9.6% to 27.4% (median 15.3%)
Historical volatility: 20-day 13.0%, 1-year 17.3%
Implied move by the nearest expiration: ±1.0%

Data as of October 23, 2026.

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

Name: SPDW Implied Volatility
Creator: Market Chameleon