Gerdau S.A. (GGB)'s 30-day implied volatility (IV30) was 42.8% at the close on November 12, 2026, up from 41.1% the day before, against a 52-week range of 20.6% to 70.4%. Its 20-day historical volatility was 37.9%.
Key numbers
30-day implied volatility (IV30): 42.8%
IV30 52-week range: 20.6% to 70.4% (median 35.4%)
Historical volatility: 20-day 37.9%, 1-year 38.8%
Implied move by the nearest expiration: ±2.3%
Data as of November 12, 2026.
GGB Implied Volatility (IV) vs Historical Volatility (HV)
The GGB IV term structure shows the implied volatility difference between different maturity dates.