Steel Dynamics (STLD)'s 30-day implied volatility (IV30) was 38.1% at the close on October 23, 2026, down from 39.0% the day before, against a 52-week range of 30.1% to 49.9%. Its 20-day historical volatility was 32.5%.
Key numbers
30-day implied volatility (IV30): 38.1%
IV30 52-week range: 30.1% to 49.9% (median 40.0%)
Historical volatility: 20-day 32.5%, 1-year 36.3%
Implied move by the nearest expiration: ±2.5%
Data as of October 23, 2026.
STLD Implied Volatility (IV) vs Historical Volatility (HV)
The STLD IV term structure shows the implied volatility difference between different maturity dates.