Atmos Energy (ATO): analysis and statistics
Return, volatility, Sharpe ratio and risk for Atmos Energy, an S&P 500 component in the Utilities sector. Data as of 2026-07-30.
| Last close price | $174.28 |
| Sector (GICS) | Utilities |
| Annualized return (3.0 yr) | +15.58% |
| Total return over period | +54.06% |
| Annualized volatility | 16.42% |
| Sharpe ratio | 0.72 |
| Sortino ratio | 1.04 |
| Max drawdown | -14.87% |
| CVaR 95% (avg. loss, worst 5% of days) | -2.30% |
| Correlation with the S&P 500 | 0.15 |
| Period range | $96.12 – $191.21 |
| Trading days analyzed | 752 |
Over the last 3.0 years, Atmos Energy (ATO) has posted an annualized return of +15.58% with annual volatility of 16.42%, a Sharpe ratio of 0.72. Its worst stretch (max drawdown from a peak) was -14.87%. Its correlation with the S&P 500 is 0.15, 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 S&P 500 stocks, try the optimizer.
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