Commercial Metals Company (CMC)'s 30-day implied volatility (IV30) was 32.8% at the close on October 21, 2026, up from 31.9% the day before, against a 52-week range of 30.7% to 53.7%. Its 20-day historical volatility was 32.6%.

Key numbers

30-day implied volatility (IV30): 32.8%
IV30 52-week range: 30.7% to 53.7% (median 39.1%)
Historical volatility: 20-day 32.6%, 1-year 37.0%
Implied move by the nearest expiration: ±2.0%

Data as of October 21, 2026.

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

Name: CMC Implied Volatility
Creator: Market Chameleon