Stewart Information Servs (STC)'s 30-day implied volatility (IV30) was 35.9% at the close on October 21, 2026, up from 32.4% the day before, against a 52-week range of 19.7% to 39.7%. Its 20-day historical volatility was 38.5%.

Key numbers

30-day implied volatility (IV30): 35.9%
IV30 52-week range: 19.7% to 39.7% (median 26.4%)
Historical volatility: 20-day 38.5%, 1-year 36.4%
Implied move by the nearest expiration: ±2.0%

Data as of October 21, 2026.

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

Name: STC Implied Volatility
Creator: Market Chameleon