State Street SPDR Dow Jones Industrial Average ETF Trust (DIA)'s 30-day implied volatility (IV30) was 14.4% at the close on October 30, 2026, up from 12.8% the day before, against a 52-week range of 10.5% to 25.5%. Its 20-day historical volatility was 10.6%.

Key numbers

30-day implied volatility (IV30): 14.4%
IV30 52-week range: 10.5% to 25.5% (median 13.5%)
Historical volatility: 20-day 10.6%, 1-year 13.3%
Implied move by the nearest expiration: ±0.7%

Data as of October 30, 2026.

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

Name: DIA Implied Volatility
Creator: Market Chameleon