Atmos Energy (ATO)'s 30-day implied volatility (IV30) was 18.6% at the close on October 23, 2026, against a 52-week range of 12.6% to 23.2%. Its 20-day historical volatility was 16.8%.
Key numbers
30-day implied volatility (IV30): 18.6%
IV30 52-week range: 12.6% to 23.2% (median 17.7%)
Historical volatility: 20-day 16.8%, 1-year 17.7%
Implied move by the nearest expiration: ±1.2%
Data as of October 23, 2026.
ATO Implied Volatility (IV) vs Historical Volatility (HV)
The ATO IV term structure shows the implied volatility difference between different maturity dates.
