Amentum Holdings (AMTM)'s 30-day implied volatility (IV30) was 37.2% at the close on October 28, 2026, down from 44.7% the day before, against a 52-week range of 33.9% to 80.3%. Its 20-day historical volatility was 40.5%.

Key numbers

30-day implied volatility (IV30): 37.2%
IV30 52-week range: 33.9% to 80.3% (median 47.7%)
Historical volatility: 20-day 40.5%, 1-year 43.5%
Implied move by the nearest expiration: ±2.7%

Data as of October 28, 2026.

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

Name: AMTM Implied Volatility
Creator: Market Chameleon