Greenbrier Companies (GBX)'s 30-day implied volatility (IV30) was 30.9% at the close on October 29, 2026, up from 26.7% the day before, against a 52-week range of 23.8% to 71.2%. Its 20-day historical volatility was 34.5%.

Key numbers

30-day implied volatility (IV30): 30.9%
IV30 52-week range: 23.8% to 71.2% (median 32.3%)
Historical volatility: 20-day 34.5%, 1-year 31.3%
Implied move by the nearest expiration: ±1.6%

Data as of October 29, 2026.

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

Name: GBX Implied Volatility
Creator: Market Chameleon