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. Data as of 2026-10-29.
| Last close price | $169.53 |
| Sector (GICS) | Utilities |
| Annualized return (3.0 yr) | +19.65% |
| Total return over period | +70.79% |
| Annualized volatility | 16.16% |
| Period volatility | 27.92% |
| Period T-bill | 12.40% |
| Sharpe ratio | 2.09 |
| Sortino ratio | 3.08 |
| Max drawdown | -18.29% |
| CVaR 95% (avg. loss, worst 5% of days) | -2.14% |
| Correlation with the S&P 500 | 0.11 |
| Period range | $99.56 – $191.21 |
| Trading days analyzed | 752 |
Over the last 3.0 years, Atmos Energy (ATO) has posted an annualized return of +19.65% with annual volatility of 16.16%, a Sharpe ratio of 2.09. Its worst stretch (max drawdown from a peak) was -18.29%. Its correlation with the S&P 500 is 0.11, 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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