Comfort Systems USA (FIX)'s 30-day implied volatility (IV30) was 58.6% at the close on October 28, 2026, up from 58.5% the day before, against a 52-week range of 42.5% to 80.0%. Its 20-day historical volatility was 54.7%.

Key numbers

30-day implied volatility (IV30): 58.6%
IV30 52-week range: 42.5% to 80.0% (median 58.8%)
Historical volatility: 20-day 54.7%, 1-year 59.3%
Implied move by the nearest expiration: ±3.7%

Data as of October 28, 2026.

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

Name: FIX Implied Volatility
Creator: Market Chameleon