Atmos Energy (ATO)'s 30-day implied volatility (IV30) was 16.1% at the close on November 12, 2026, up from 15.5% the day before, against a 52-week range of 12.6% to 23.2%. Its 20-day historical volatility was 18.7%.
Key numbers
30-day implied volatility (IV30): 16.1%
IV30 52-week range: 12.6% to 23.2% (median 17.7%)
Historical volatility: 20-day 18.7%, 1-year 17.8%
Implied move by the nearest expiration: ±0.9%
Data as of November 12, 2026.
ATO Implied Volatility (IV) vs Historical Volatility (HV)
The ATO IV term structure shows the implied volatility difference between different maturity dates.