Cullen/Frost Bankers (CFR)'s 30-day implied volatility (IV30) was 25.7% at the close on October 20, 2026, down from 27.8% the day before, against a 52-week range of 18.3% to 34.7%. Its 20-day historical volatility was 19.3%.

Key numbers

30-day implied volatility (IV30): 25.7%
IV30 52-week range: 18.3% to 34.7% (median 24.8%)
Historical volatility: 20-day 19.3%, 1-year 22.7%
Implied move by the nearest expiration: ±1.8%

Data as of October 20, 2026.

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

Name: CFR Implied Volatility
Creator: Market Chameleon