Aon Plc Stock Price History
| AON Stock | USD 363.81 3.08 0.85% |
Below is the normalized historical share price chart for Aon PLC extending back to June 02, 1980. This chart has been adjusted for all splits and dividends and is plotted against all major global economic recessions. As of today, the current price of Aon PLC stands at 363.81, as last reported on the 4th of October, with the highest price reaching 365.98 and the lowest price hitting 359.49 during the day.
If you're considering investing in Aon Stock, it is important to understand the factors that can impact its price. As of now, Aon Stock is very steady. Aon PLC secures Sharpe Ratio (or Efficiency) of 0.0456, which signifies that the company had a 0.0456 % return per unit of risk over the last 3 months. We have found thirty technical indicators for Aon PLC, which you can use to evaluate the volatility of the firm. Please confirm Aon PLC's Risk Adjusted Performance of 0.0356, downside deviation of 1.26, and Mean Deviation of 0.8513 to double-check if the risk estimate we provide is consistent with the expected return of 0.0561%. At this time, Aon PLC's Common Stock Shares Outstanding is very stable compared to the past year. As of the 4th of October 2025, Other Stockholder Equity is likely to grow to about 13.8 B, while Total Stockholder Equity is likely to drop about 4.1 B. . At this time, Aon PLC's Price Fair Value is very stable compared to the past year. Aon Stock price history is provided at the adjusted basis, taking into account all of the recent filings.
IPO Date 7th of September 1984 | 200 Day MA 368.2369 | 50 Day MA 363.8078 | Beta 0.887 |
Sharpe Ratio = 0.0456
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| Cash | AON | Average Risk | High Risk | Huge Risk |
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Estimated Market Risk
| 1.23 actual daily | 11 89% of assets are more volatile |
Expected Return
| 0.06 actual daily | 1 99% of assets have higher returns |
Risk-Adjusted Return
| 0.05 actual daily | 3 97% of assets perform better |
Based on monthly moving average Aon PLC is performing at about 3% of its full potential. If added to a well diversified portfolio the total return can be enhanced and market risk can be reduced. You can increase risk-adjusted return of Aon PLC by adding it to a well-diversified portfolio.
Price Book 9.9175 | Enterprise Value Ebitda 16.9935 | Price Sales 4.6829 | Shares Float 208.7 M | Dividend Share 2.77 |
Aon PLC Stock Price History Chart
There are several ways to analyze Aon Stock price data. The simplest method is using a basic Aon candlestick price chart, which shows Aon PLC price history and the buying and selling dynamics of a specified period. Many traders also use subjective judgment to their trading calls, avoiding the need to trade based on technical analysis.
| Highest Price | August 21, 2025 | 375.27 |
| Lowest Price | July 21, 2025 | 350.18 |
Aon PLC October 4, 2025 Stock Price Synopsis
Various analyses of Aon PLC's daily price changes, such as its Balance Of Power or Price Action, are crucial when deciding whether to buy, hold, or sell Aon Stock. It can be used to describe the percentage change in the price of Aon PLC from one trading day to the next and could be a valuable metric for traders and investors to gauge the volatility and momentum of Aon Stock.| Aon PLC Price Rate Of Daily Change | 1.01 | |
| Aon PLC Price Action Indicator | 2.61 | |
| Aon PLC Price Daily Balance Of Power | 0.47 |
Aon PLC October 4, 2025 Stock Price Analysis
Aon Stock Price History Data
The price series of Aon PLC for the period between Sun, Jul 6, 2025 and Sat, Oct 4, 2025 has a statistical range of 25.09 with a coefficient of variation of 2.14. The prices are distributed with arithmetic mean of 361.58. The median price for the last 90 days is 360.73. The company had 3:2 stock split on 18th of May 1999. Aon PLC issued dividends on 2025-08-01.| Open | High | Low | Close | Volume | ||
10/04/2025 | 359.95 | 365.98 | 359.49 | 363.81 | ||
10/03/2025 | 359.95 | 365.98 | 359.49 | 363.81 | 666,880 | |
| 10/02/2025 | 357.47 | 362.23 | 354.61 | 360.73 | 621,268 | |
| 10/01/2025 | 355.15 | 360.14 | 353.31 | 360.13 | 1,444,857 | |
09/30/2025 | 354.52 | 357.01 | 351.80 | 356.58 | 1,022,835 | |
| 09/29/2025 | 355.01 | 356.62 | 352.56 | 354.62 | 1,059,568 | |
| 09/26/2025 | 354.17 | 358.99 | 351.49 | 356.08 | 824,595 | |
| 09/25/2025 | 355.46 | 356.74 | 349.15 | 351.64 | 1,291,128 | |
09/24/2025 | 352.84 | 356.28 | 352.50 | 353.74 | 981,312 | |
| 09/23/2025 | 353.40 | 356.58 | 349.33 | 353.07 | 1,761,188 | |
09/22/2025 | 350.56 | 355.21 | 349.21 | 353.46 | 1,275,900 | |
09/19/2025 | 354.19 | 355.40 | 348.64 | 351.32 | 3,728,789 | |
09/18/2025 | 355.64 | 357.83 | 352.69 | 352.76 | 1,392,958 | |
09/17/2025 | 357.97 | 361.24 | 355.22 | 358.00 | 1,426,892 | |
09/16/2025 | 361.26 | 362.76 | 356.15 | 356.57 | 1,351,549 | |
| 09/15/2025 | 371.90 | 373.60 | 363.20 | 363.80 | 933,759 | |
| 09/12/2025 | 371.56 | 374.05 | 369.81 | 371.95 | 844,377 | |
09/11/2025 | 366.09 | 372.39 | 364.79 | 372.25 | 1,614,304 | |
09/10/2025 | 364.78 | 365.36 | 361.08 | 362.37 | 798,913 | |
09/09/2025 | 369.93 | 370.48 | 365.86 | 366.38 | 1,019,889 | |
| 09/08/2025 | 370.54 | 370.54 | 365.47 | 370.01 | 1,043,504 | |
| 09/05/2025 | 372.91 | 375.64 | 368.04 | 370.54 | 788,992 | |
09/04/2025 | 375.48 | 375.87 | 370.85 | 373.49 | 751,288 | |
09/03/2025 | 372.68 | 375.00 | 368.27 | 374.00 | 1,219,916 | |
| 09/02/2025 | 367.63 | 372.75 | 365.96 | 371.96 | 1,285,475 | |
| 08/29/2025 | 367.85 | 368.56 | 365.79 | 367.00 | 774,627 | |
| 08/28/2025 | 367.77 | 368.04 | 364.03 | 366.54 | 711,245 | |
08/27/2025 | 369.90 | 371.09 | 368.02 | 368.37 | 931,628 | |
08/26/2025 | 369.14 | 371.11 | 367.02 | 369.00 | 1,449,861 | |
08/25/2025 | 374.11 | 376.69 | 370.73 | 370.94 | 1,025,887 | |
| 08/22/2025 | 377.45 | 378.70 | 373.85 | 375.10 | 1,190,563 | |
08/21/2025 | 372.50 | 375.77 | 371.17 | 375.27 | 1,126,167 | |
| 08/20/2025 | 373.93 | 378.68 | 372.72 | 374.00 | 1,104,953 | |
08/19/2025 | 367.09 | 373.36 | 366.24 | 372.86 | 1,111,070 | |
08/18/2025 | 366.08 | 369.78 | 365.21 | 365.37 | 1,323,878 | |
08/15/2025 | 367.20 | 370.70 | 365.21 | 367.01 | 1,181,059 | |
08/14/2025 | 371.04 | 372.04 | 365.14 | 366.35 | 1,292,935 | |
08/13/2025 | 366.81 | 372.46 | 365.59 | 370.92 | 1,316,792 | |
08/12/2025 | 368.48 | 368.66 | 360.25 | 363.81 | 2,994,295 | |
08/11/2025 | 366.95 | 370.34 | 365.46 | 368.09 | 1,274,729 | |
08/08/2025 | 367.00 | 367.01 | 363.58 | 366.40 | 1,095,233 | |
08/07/2025 | 363.71 | 366.66 | 361.25 | 365.03 | 1,843,679 | |
08/06/2025 | 363.20 | 364.34 | 358.32 | 363.68 | 931,793 | |
08/05/2025 | 360.79 | 364.13 | 359.78 | 361.60 | 1,201,492 | |
08/04/2025 | 353.78 | 360.88 | 351.58 | 360.40 | 1,133,737 | |
08/01/2025 | 356.68 | 356.68 | 351.44 | 353.46 | 1,640,942 | |
07/31/2025 | 352.17 | 359.42 | 352.17 | 354.97 | 1,387,300 | |
07/30/2025 | 355.25 | 358.78 | 352.99 | 354.60 | 1,526,100 | |
07/29/2025 | 368.39 | 368.39 | 351.29 | 353.29 | 2,218,400 | |
07/28/2025 | 370.52 | 372.77 | 366.80 | 368.39 | 1,503,400 | |
07/25/2025 | 367.74 | 380.20 | 367.74 | 372.11 | 2,251,400 | |
07/24/2025 | 356.42 | 359.00 | 355.26 | 355.86 | 1,515,500 | |
07/23/2025 | 354.87 | 356.68 | 350.42 | 356.53 | 1,679,500 | |
07/22/2025 | 351.24 | 355.07 | 350.86 | 353.48 | 1,960,900 | |
07/21/2025 | 355.40 | 355.86 | 350.02 | 350.18 | 1,072,300 | |
| 07/18/2025 | 354.23 | 357.75 | 351.66 | 355.36 | 1,079,900 | |
07/17/2025 | 351.87 | 355.74 | 350.61 | 353.89 | 1,220,200 | |
07/16/2025 | 354.51 | 354.51 | 348.91 | 353.82 | 1,151,000 | |
07/15/2025 | 356.84 | 358.78 | 351.64 | 351.64 | 1,104,200 | |
07/14/2025 | 356.13 | 359.25 | 353.09 | 359.07 | 764,300 | |
07/11/2025 | 357.00 | 359.81 | 354.36 | 354.93 | 857,300 |
About Aon PLC Stock history
Aon PLC investors dedicate a lot of time and effort to gaining insight into how a market's past behavior relates to its future. Access to timely market data for Aon is vital when making an investment decision, and regardless of whether you use fundamental or technical analysis, your return on investment in Aon PLC will depend on recognizing future opportunities and eliminating past mistakes. Historical data analysis is the study of market behavior over a given time. Recorded market-related data such as price, volatility, and volume can be quantified and studied over a defined period. Through a detailed examination of a market's past behavior, traders and investors can gain perspective on the inner workings of that market. The information obtained throughout analyzing Aon PLC stock prices may prove useful in developing a viable investing in Aon PLC
| Last Reported | Projected for Next Year | ||
| Common Stock Shares Outstanding | 212.5 M | 291.7 M | |
| Net Income Applicable To Common Shares | 2.7 B | 2.8 B |
Aon PLC Stock Technical Analysis
Aon PLC technical stock analysis exercises models and trading practices based on price and volume transformations, such as the moving averages, relative strength index, regressions, price and return correlations, business cycles, stock market cycles, or different charting patterns.
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Aon PLC Technical and Predictive Indicators
Predictive indicators are helping investors to find signals for Aon PLC's price direction in advance. Along with the technical and fundamental analysis of Aon Stock historical price patterns, it is also worthwhile for investors to track various predictive indicators of Aon to make sure they correctly time the market and exploit it's hidden potentials. Even though most predictive indicators are useful for the short-term horizon, it's virtually impossible to predict the unforeseen market. For traders with a short-term horizon, predictive indicators add value when properly applied. Long-term investors, however, may find many predictive indicators less useful.
| Risk Adjusted Performance | 0.0356 | |||
| Jensen Alpha | (0) | |||
| Total Risk Alpha | (0.09) | |||
| Sortino Ratio | (0.01) | |||
| Treynor Ratio | 0.0644 |
| Cycle Indicators | ||
| Math Operators | ||
| Math Transform | ||
| Momentum Indicators | ||
| Overlap Studies | ||
| Pattern Recognition | ||
| Price Transform | ||
| Statistic Functions | ||
| Volatility Indicators | ||
| Volume Indicators |
Check out Trending Equities to better understand how to build diversified portfolios, which includes a position in Aon PLC. Also, note that the market value of any company could be closely tied with the direction of predictive economic indicators such as signals in state. To learn how to invest in Aon Stock, please use our How to Invest in Aon PLC guide.You can also try the Odds Of Bankruptcy module to get analysis of equity chance of financial distress in the next 2 years.
Is Insurance Brokers space expected to grow? Or is there an opportunity to expand the business' product line in the future? Factors like these will boost the valuation of Aon PLC. If investors know Aon will grow in the future, the company's valuation will be higher. The financial industry is built on trying to define current growth potential and future valuation accurately. All the valuation information about Aon PLC listed above have to be considered, but the key to understanding future value is determining which factors weigh more heavily than others.
Quarterly Earnings Growth 0.081 | Dividend Share 2.77 | Earnings Share 11.87 | Revenue Per Share | Quarterly Revenue Growth 0.105 |
The market value of Aon PLC is measured differently than its book value, which is the value of Aon that is recorded on the company's balance sheet. Investors also form their own opinion of Aon PLC's value that differs from its market value or its book value, called intrinsic value, which is Aon PLC's true underlying value. Investors use various methods to calculate intrinsic value and buy a stock when its market value falls below its intrinsic value. Because Aon PLC's market value can be influenced by many factors that don't directly affect Aon PLC's underlying business (such as a pandemic or basic market pessimism), market value can vary widely from intrinsic value.
Please note, there is a significant difference between Aon PLC's value and its price as these two are different measures arrived at by different means. Investors typically determine if Aon PLC is a good investment by looking at such factors as earnings, sales, fundamental and technical indicators, competition as well as analyst projections. However, Aon PLC's price is the amount at which it trades on the open market and represents the number that a seller and buyer find agreeable to each party.