Southern Company (SO)'s 30-day implied volatility (IV30) was 15.7% at the close on November 9, 2026, down from 21.2% the day before, against a 52-week range of 13.0% to 24.4%. Its 20-day historical volatility was 19.1%.
Key numbers
30-day implied volatility (IV30): 15.7%
IV30 52-week range: 13.0% to 24.4% (median 19.1%)
Historical volatility: 20-day 19.1%, 1-year 18.4%
Implied move by the nearest expiration: ±1.5%
Data as of November 9, 2026.
SO Implied Volatility (IV) vs Historical Volatility (HV)
The SO IV term structure shows the implied volatility difference between different maturity dates.
