AON Price: current value, 10-year range and year-by-year history
Cash & Leverage
+10.5%/yr10Y CAGR
AON's price compounded at 10.5%/year over the last 10 years — strong long-term growth.
Price History
Historically priceyAbove avgAround avgBelow avgHistorically cheap
AON Price by year
Yearly range of AON’s price from 2016 to 2026. Over the full period it ranged from $107.54 to $409.32, averaging $248.12.
| Year | Low | Average | High | Year-end |
|---|---|---|---|---|
| 2026 | $302.69 | $334.33 | $381.26 | $302.69 |
| 2025 | $326.07 | $363.87 | $409.32 | $352.88 |
| 2024 | $275.82 | $325.44 | $393.31 | $359.16 |
| 2023 | $285.85 | $321.34 | $345.20 | $291.02 |
| 2022 | $248.50 | $288.26 | $333.61 | $300.14 |
| 2021 | $202.13 | $258.74 | $321.08 | $300.56 |
| 2020 | $145.48 | $198.74 | $237.43 | $211.27 |
| 2019 | $141.88 | $183.84 | $209.93 | $208.29 |
| 2018 | $131.49 | $145.65 | $165.58 | $145.36 |
| 2017 | $111.17 | $130.99 | $152.38 | $134.00 |
| 2016 | $107.54 | $111.39 | $115.95 | $111.53 |
The closing stock price, adjusted for splits. Historical price context shows how the share price has moved over time — useful for spotting long-term trends and comparing price action against valuation metrics.
Formula
Closing price (split-adjusted)Pro — up to 30-year history
Unlock 10y, 15y, 20y, and 30y history with peer comparison and CSV export.