Aon plc (AON): analysis and statistics
Return, volatility, Sharpe ratio and risk for Aon plc, a component of the S&P 500 in the Financials. Data as of 2026-10-29.
| Last close price | $315.72 |
| Sector (GICS) | Financials |
| Annualized return (3.0 yr) | +1.60% |
| Total return over period | +4.86% |
| Annualized volatility | 24.03% |
| Period volatility | 41.52% |
| Period T-bill | 12.40% |
| Sharpe ratio | -0.18 |
| Sortino ratio | -0.25 |
| Max drawdown | -33.72% |
| CVaR 95% (avg. loss, worst 5% of days) | -3.68% |
| Correlation with the S&P 500 | 0.13 |
| Period range | $269.45 – $406.53 |
| Trading days analyzed | 752 |
Over the last 3.0 years, Aon plc (AON) has posted an annualized return of +1.60% with annual volatility of 24.03%, a negative Sharpe ratio: over this period it did not beat the risk-free Treasury rate. Its worst stretch (max drawdown from a peak) was -33.72%. Its correlation with the S&P 500 is 0.13, 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 AON 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, Aon plc (AON) is of the S&P 500.
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