Rex American Resources (REX)'s 30-day implied volatility (IV30) was 32.4% at the close on October 30, 2026, up from 31.5% the day before, against a 52-week range of 22.3% to 52.3%. Its 20-day historical volatility was 42.4%.

Key numbers

30-day implied volatility (IV30): 32.4%
IV30 52-week range: 22.3% to 52.3% (median 33.4%)
Historical volatility: 20-day 42.4%, 1-year 40.1%
Implied move by the nearest expiration: ±1.9%

Data as of October 30, 2026.

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

Name: REX Implied Volatility
Creator: Market Chameleon