Aci Worldwide (ACIW)'s 30-day implied volatility (IV30) was 31.1% at the close on October 19, 2026, down from 31.8% the day before, against a 52-week range of 18.7% to 48.0%. Its 20-day historical volatility was 27.3%.
Key numbers
30-day implied volatility (IV30): 31.1%
IV30 52-week range: 18.7% to 48.0% (median 31.4%)
Historical volatility: 20-day 27.3%, 1-year 35.4%
Implied move by the nearest expiration: ±2.0%
Data as of October 19, 2026.
ACIW Implied Volatility (IV) vs Historical Volatility (HV)
The ACIW IV term structure shows the implied volatility difference between different maturity dates.
