Silgan Hldgs (SLGN)'s 30-day implied volatility (IV30) was 34.1% at the close on November 6, 2026, up from 33.7% the day before, against a 52-week range of 15.4% to 42.9%. Its 20-day historical volatility was 34.5%.
Key numbers
30-day implied volatility (IV30): 34.1%
IV30 52-week range: 15.4% to 42.9% (median 28.1%)
Historical volatility: 20-day 34.5%, 1-year 31.0%
Implied move by the nearest expiration: ±2.1%
Data as of November 6, 2026.
SLGN Implied Volatility (IV) vs Historical Volatility (HV)
The SLGN IV term structure shows the implied volatility difference between different maturity dates.