Aon plc (AON) Stock Chart
AON price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
AON performance vs the market
Total return, dividends reinvestedAON monthly returns
AON historical prices
AON dividends & splits
About the AON chart
Aon (AON) closed at $292.55 on October 16, 2026, down 16.5% so far this year. The stock is trading 10.5% below its 200-day moving average of $326.96, which technical analysts usually read as a long-term downtrend. Over the past year AON returned −13.9% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of Aon plc stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the AON stock overview.
AON chart FAQ
What is Aon's all-time high stock price?
The highest closing price for AON was $409.32 on March 3, 2025 (adjusted for stock splits). As of the October 16, 2026 close it traded 28.5% below that level.
What is the 52-week range of AON stock?
Over the 52 weeks to October 16, 2026, AON traded between an intraday low of $266.33 on October 5, 2026 and an intraday high of $382.34 on July 28, 2026.
Is AON above its 200-day moving average?
No. On October 16, 2026 AON closed at $292.55, 10.5% below its 200-day simple moving average of $326.96. The 50-day average was $311.56.
How has AON stock performed compared with the S&P 500?
Including reinvested dividends, AON returned −13.9% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were −1.5% and +83.0%.
Does Aon pay a dividend?
Yes. Aon paid $3.13 per share in dividends over the past 12 months (4 payments), a yield of about 1.07% at the latest close. The most recent dividend of $0.82 per share had an ex-dividend date of August 3, 2026. The next dividend of $0.82 per share has an ex-dividend date of November 2, 2026.
Has AON stock ever split?
AON has split its stock 3 times: 3:2 (May 17, 1994), 3:2 (May 15, 1997), 3:2 (May 18, 1999). Prices on this chart are adjusted for all splits.
How do I read the AON chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots AON against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.