Atmos Energy (ATO): analysis and statistics
Return, volatility, Sharpe ratio and risk for Atmos Energy, a component of the S&P 500 in the Utilities sector. Data as of 2026-09-13.
| Last close price | $163.19 |
| Sector (GICS) | Utilities |
| Annualized return (3.0 yr) | +14.92% |
| Total return over period | +51.36% |
| Annualized volatility | 16.33% |
| Period volatility | 28.19% |
| Sharpe ratio | 0.67 |
| Sortino ratio | 0.97 |
| Max drawdown | -14.65% |
| CVaR 95% (avg. loss, worst 5% of days) | -2.26% |
| Correlation with the S&P 500 | 0.14 |
| Period range | $96.12 – $191.21 |
| Trading days analyzed | 751 |
Over the last 3.0 years, Atmos Energy (ATO) has posted an annualized return of +14.92% with annual volatility of 16.33%, a Sharpe ratio of 0.67. Its worst stretch (max drawdown from a peak) was -14.65%. Its correlation with the S&P 500 is 0.14, which means it moves fairly independently of the index, useful for diversification.
These are historical, realized metrics, not projections: they describe how the stock behaved, not how it will behave going forward. To see how ATO would fit inside an optimized portfolio alongside other stocks, try the optimizer.
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Is it part of the S&P 500?
Yes, Atmos Energy (ATO) is of the S&P 500.
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