Silgan Hldgs (SLGN)'s 30-day implied volatility (IV30) was 31.9% at the close on October 30, 2026, down from 32.9% the day before, against a 52-week range of 15.4% to 42.9%. Its 20-day historical volatility was 29.9%.
Key numbers
30-day implied volatility (IV30): 31.9%
IV30 52-week range: 15.4% to 42.9% (median 28.0%)
Historical volatility: 20-day 29.9%, 1-year 30.6%
Implied move by the nearest expiration: ±2.1%
Data as of October 30, 2026.
SLGN Implied Volatility (IV) vs Historical Volatility (HV)
The SLGN IV term structure shows the implied volatility difference between different maturity dates.