Somnigroup International (SGI)'s 30-day implied volatility (IV30) was 56.6% at the close on October 21, 2026, up from 55.3% the day before, against a 52-week range of 26.7% to 62.0%. Its 20-day historical volatility was 35.0%.

Key numbers

30-day implied volatility (IV30): 56.6%
IV30 52-week range: 26.7% to 62.0% (median 40.7%)
Historical volatility: 20-day 35.0%, 1-year 38.8%
Implied move by the nearest expiration: ±3.5%

Data as of October 21, 2026.

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

Name: SGI Implied Volatility
Creator: Market Chameleon