Equifax (EFX)'s 30-day implied volatility (IV30) was 39.5% at the close on October 20, 2026, down from 46.8% the day before, against a 52-week range of 26.7% to 50.9%. Its 20-day historical volatility was 37.6%.
Key numbers
30-day implied volatility (IV30): 39.5%
IV30 52-week range: 26.7% to 50.9% (median 38.8%)
Historical volatility: 20-day 37.6%, 1-year 37.3%
Implied move by the nearest expiration: ±2.9%
Data as of October 20, 2026.
EFX Implied Volatility (IV) vs Historical Volatility (HV)
The EFX IV term structure shows the implied volatility difference between different maturity dates.
