Arch Capital Group Ltd. (ACGL)'s 30-day implied volatility (IV30) was 24.7% at the close on November 6, 2026, down from 26.3% the day before, against a 52-week range of 14.5% to 35.9%. Its 20-day historical volatility was 24.4%.

Key numbers

30-day implied volatility (IV30): 24.7%
IV30 52-week range: 14.5% to 35.9% (median 22.5%)
Historical volatility: 20-day 24.4%, 1-year 21.3%
Implied move by the nearest expiration: ±1.7%

Data as of November 6, 2026.

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

Name: ACGL Implied Volatility
Creator: Market Chameleon