Aon plc (AON) Stock Price History
Historical prices from 1980 to 2026
- 1M
- -15.4%
- 3M
- -19.7%
- YTD
- -19.8%
- 1Y
- -23.4%
- 3Y
- -5.0%
- 5Y
- -1.1%
Loading 10-year price history...
AON Historical Performance
AON Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -46.8%
- 2003 annual price return
- +22.3%
- 2004 annual price return
- -0.8%
- 2005 annual price return
- +52.5%
- 2006 annual price return
- -5.1%
- 2007 annual price return
- +34.8%
- 2008 annual price return
- -1.6%
- 2009 annual price return
- -15.0%
- 2010 annual price return
- +21.3%
- 2011 annual price return
- +2.8%
- 2012 annual price return
- +18.2%
- 2013 annual price return
- +46.1%
- 2014 annual price return
- +15.1%
- 2015 annual price return
- -2.2%
- 2016 annual price return
- +23.0%
- 2017 annual price return
- +19.6%
- 2018 annual price return
- +10.5%
- 2019 annual price return
- +44.6%
- 2020 annual price return
- +1.2%
- 2021 annual price return
- +46.9%
- 2022 annual price return
- +2.4%
- 2023 annual price return
- -2.8%
- 2024 annual price return
- +24.7%
- 2025 annual price return
- -0.6%
- 2026 annual price return
- +4.7%
AON Stock Price Trajectory (1980–2026)
As of October 3, 2026, Aon plc (AON) trades at $275.95, representing a -23.4% return over the past year. The stock has delivered a -0.7% total return over five years (-1.1% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $412.97 on March 3, 2025. From this peak, AON has corrected -33.2%, currently trading 17% below its 200-day moving average, suggesting potential weakness.
When compared to Financial Services sector peers MMC (-13.5% 1Y), WTW (-15.3% 1Y), and AJG (-24.2% 1Y), AON has underperformed the peer group average. Compare AON vs MMC →
AON Historical Price Data · from 1980
Rows 1–50 of 11,678| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-10-01 | 277.48 | 279.49 | 274.81 | 275.95 | 1.96M | -0.30% |
| 2026-09-30 | 275.78 | 278.15 | 273.80 | 276.77 | 2.20M | +0.32% |
| 2026-09-29 | 271.07 | 276.77 | 269.02 | 275.90 | 1.97M | +1.40% |
| 2026-09-28 | 277.50 | 278.39 | 270.00 | 272.10 | 1.83M | -2.12% |
| 2026-09-25 | 277.22 | 280.98 | 276.52 | 277.99 | 1.60M | +0.69% |
| 2026-09-24 | 282.27 | 283.03 | 275.38 | 276.09 | 2.67M | -1.96% |
| 2026-09-23 | 284.67 | 286.80 | 281.19 | 281.60 | 1.70M | -1.57% |
| 2026-09-22 | 291.88 | 291.88 | 282.77 | 286.10 | 2.54M | -1.62% |
| 2026-09-21 | 297.01 | 297.87 | 290.71 | 290.82 | 1.93M | -1.63% |
| 2026-09-18 | 294.18 | 297.73 | 293.19 | 295.64 | 3.18M | -0.14% |
| 2026-09-17 | 299.57 | 302.12 | 295.78 | 296.05 | 3.20M | -1.50% |
| 2026-09-16 | 303.40 | 304.06 | 298.49 | 300.57 | 3.16M | -1.35% |
| 2026-09-15 | 311.60 | 311.98 | 304.60 | 304.67 | 1.79M | -2.21% |
| 2026-09-14 | 308.08 | 312.39 | 305.92 | 311.54 | 2.81M | +2.92% |
| 2026-09-11 | 310.85 | 311.88 | 302.48 | 302.69 | 2.05M | -1.65% |
| 2026-09-10 | 304.97 | 310.04 | 304.20 | 307.77 | 2.36M | +1.01% |
| 2026-09-09 | 313.45 | 315.67 | 303.59 | 304.69 | 2.25M | -3.51% |
| 2026-09-08 | 316.58 | 321.50 | 314.95 | 315.79 | 1.89M | -2.26% |
| 2026-09-04 | 328.84 | 328.84 | 321.49 | 323.09 | 1.45M | -1.20% |
| 2026-09-03 | 332.00 | 336.09 | 325.68 | 327.00 | 1.43M | -1.17% |
| 2026-09-02 | 327.70 | 331.58 | 324.79 | 330.88 | 2.05M | +1.40% |
| 2026-09-01 | 321.39 | 328.13 | 312.99 | 326.30 | 2.42M | +1.49% |
| 2026-08-31 | 340.59 | 343.26 | 320.21 | 321.52 | 2.41M | -9.53% |
| 2026-08-28 | 351.15 | 358.50 | 351.06 | 355.40 | 533K | +1.67% |
| 2026-08-27 | 350.51 | 352.38 | 348.18 | 349.56 | 643K | -1.25% |
| 2026-08-26 | 354.96 | 356.45 | 353.19 | 353.98 | 559K | -0.24% |
| 2026-08-25 | 357.00 | 360.30 | 354.14 | 354.83 | 617K | -1.19% |
| 2026-08-24 | 358.52 | 361.73 | 356.50 | 359.10 | 627K | +1.12% |
| 2026-08-21 | 352.39 | 356.86 | 350.57 | 355.11 | 747K | +0.90% |
| 2026-08-20 | 348.90 | 356.12 | 346.32 | 351.93 | 733K | +1.00% |
| 2026-08-19 | 344.23 | 352.84 | 341.75 | 348.43 | 616K | +1.52% |
| 2026-08-18 | 343.20 | 350.13 | 343.03 | 343.20 | 922K | -1.16% |
| 2026-08-17 | 354.00 | 355.27 | 346.50 | 347.22 | 710K | -2.42% |
| 2026-08-14 | 357.08 | 359.98 | 353.78 | 355.83 | 705K | -0.35% |
| 2026-08-13 | 354.33 | 358.55 | 349.33 | 357.08 | 810K | +1.34% |
| 2026-08-12 | 354.00 | 355.91 | 349.99 | 352.36 | 626K | -1.15% |
| 2026-08-11 | 354.00 | 359.10 | 354.00 | 356.46 | 403K | -0.14% |
| 2026-08-10 | 357.71 | 359.53 | 355.00 | 356.97 | 705K | -0.37% |
| 2026-08-07 | 357.51 | 360.60 | 354.61 | 358.30 | 929K | -0.68% |
| 2026-08-06 | 362.95 | 364.99 | 356.84 | 360.75 | 1.14M | +0.22% |
| 2026-08-05 | 356.96 | 360.60 | 355.22 | 359.97 | 657K | +0.93% |
| 2026-08-04 | 353.37 | 357.09 | 350.23 | 356.65 | 1.43M | -0.27% |
| 2026-08-03 | 362.04 | 366.32 | 356.12 | 357.63 | 1.95M | -0.81% |
| 2026-07-31 | 363.08 | 365.02 | 359.78 | 360.55 | 1.32M | -1.64% |
| 2026-07-30 | 367.19 | 370.49 | 358.49 | 366.57 | 4.23M | -2.81% |
| 2026-07-29 | 367.64 | 379.50 | 362.26 | 377.16 | 2.01M | -1.08% |
| 2026-07-28 | 370.00 | 382.34 | 367.17 | 381.26 | 1.51M | +3.84% |
| 2026-07-27 | 362.03 | 369.75 | 359.80 | 367.17 | 1.59M | +1.51% |
| 2026-07-24 | 355.93 | 362.61 | 355.65 | 361.70 | 785K | +1.66% |
| 2026-07-23 | 352.59 | 355.79 | 350.83 | 355.78 | 1.18M | +0.98% |
AON Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
AON — Frequently Asked Questions
Quick answers to the most common questions about buying AON stock.
How has AON stock performed recently?
AON declined -23.4% over the past year, below its 5-year annualized CAGR of -1.1%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is AON's all-time high price?
Aon plc reached $412.97 on 2025-03-03. The 52-week high is $382.34. Current 1-year return of -23.4% places the stock further from historical peaks.
Where can I download AON historical price data?
This page provides AON daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1980-2026, downloadable in CSV format.