Aon plc (AON) returns
Aon returns over 10 years
$1,000 invested in Aon ten years ago was worth $3,162 at the close on October 30, 2026, with dividends reinvested: an average return of 12.2% a year. The same $1,000 in the S&P 500 (SPY) became $4,166.
Total return by period
| Period | Total return | A year, on average | $1,000 became | S&P 500 (SPY) |
|---|---|---|---|---|
| 1 month | +16.2% | — | $1,162 | -0.9% |
| 3 months | -12.0% | — | $879.53 | +2.1% |
| Year to date | -8.2% | — | $918.00 | +11.7% |
| 1 year | -1.1% | — | $989.23 | +12.4% |
| 3 years | +6.9% | +2.2% | $1,069 | +88.5% |
| 5 years | +4.5% | +0.9% | $1,045 | +76.0% |
| 10 years | +216.2% | +12.2% | $3,162 | +316.6% |
Aon return by calendar year
| Year | AON | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | -8.2% | +11.7% | -19.9% |
| 2025 | -0.9% | +17.7% | -18.7% |
| 2024 | +24.4% | +24.9% | -0.4% |
| 2023 | -2.3% | +26.2% | -28.5% |
| 2022 | +0.6% | -18.2% | +18.8% |
| 2021 | +43.4% | +28.7% | +14.6% |
| 2020 | +2.4% | +18.4% | -16.0% |
| 2019 | +44.7% | +31.2% | +13.5% |
| 2018 | +9.9% | -4.6% | +14.5% |
| 2017 | +21.5% | +21.7% | -0.2% |
| 2016 | +22.5% | +12.0% | +10.5% |
Past returns do not predict future returns. Returns are computed from our daily closes, adjusted for splits and with dividends reinvested on their ex-dates; taxes and trading costs are left out.
See also: AON valuation
No forecast, no recommendation. This page describes Aon plc from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.