Aon Plc Stock Price History

AON Stock  USD 363.81  4.28  1.16%   
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 13th of August 2025, with the highest price reaching 368.66 and the lowest price hitting 360.25 during the day.
IPO Date
7th of September 1984
200 Day MA
370.3966
50 Day MA
358.6034
Beta
0.832
 
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Housing Crash
 
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Yuan Drop
 
Covid
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 0.0266, which signifies that the company had a 0.0266 % return per unit of risk over the last 3 months. We have found twenty-nine technical indicators for Aon PLC, which you can use to evaluate the volatility of the firm. Please confirm Aon PLC's Mean Deviation of 0.9456, risk adjusted performance of 0.0277, and Downside Deviation of 1.51 to double-check if the risk estimate we provide is consistent with the expected return of 0.0364%.
At this time, Aon PLC's Common Stock Shares Outstanding is very stable compared to the past year. As of the 13th of August 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.

Sharpe Ratio = 0.0266

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Negative ReturnsAON

Estimated Market Risk

 1.37
  actual daily
12
88% of assets are more volatile

Expected Return

 0.04
  actual daily
0
Most of other assets have higher returns

Risk-Adjusted Return

 0.03
  actual daily
2
98% of assets perform better
Based on monthly moving average Aon PLC is performing at about 2% 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
10.1199
Enterprise Value Ebitda
17.3061
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 PriceJune 2, 2025375.37
Lowest PriceJune 11, 2025348.75

Aon PLC August 13, 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 0.99 
Aon PLC Price Action Indicator(2.78)
Aon PLC Accumulation Distribution 68,307 
Aon PLC Price Daily Balance Of Power(0.51)

Aon PLC August 13, 2025 Stock Price Analysis

When benchmark price declines in a down market, there may be an uptick in Aon Stock price where buyers come in believing the asset is cheap or selling overdone. The opposite is true when the market is bullish. You can use Aon PLC intraday prices and daily technical indicators to check the level of noise trading in Aon Stock and then apply it to test your longer-term investment strategies against Aon.

Aon Stock Price History Data

The price series of Aon PLC for the period between Thu, May 15, 2025 and Wed, Aug 13, 2025 has a statistical range of 26.62 with a coefficient of variation of 1.89. The prices are distributed with arithmetic mean of 358.09. The median price for the last 90 days is 355.86. The company had 3:2 stock split on 18th of May 1999. Aon PLC issued dividends on 2025-08-01.
OpenHighLowCloseVolume
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  1,387,431 
07/30/2025 355.25  358.78  352.99  354.60  1,526,215 
07/29/2025
 368.39  368.39  351.29  353.29  2,218,368 
07/28/2025
 370.52  372.76  366.80  368.39  1,503,381 
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 
07/10/2025
 355.79  359.13  354.96  358.25  1,116,800 
07/09/2025
 353.11  356.52  351.45  356.17  875,100 
07/08/2025
 349.96  356.27  347.30  353.83  2,508,000 
07/07/2025
 353.51  355.44  350.80  352.49  1,183,300 
07/03/2025
 352.13  355.56  350.75  354.02  640,700 
07/02/2025
 354.16  357.85  345.06  350.81  1,272,600 
07/01/2025
 356.38  358.32  352.70  356.18  883,200 
06/30/2025
 351.57  356.78  350.47  356.01  1,029,200 
06/27/2025 352.77  355.93  350.38  351.99  4,487,900 
06/26/2025
 354.26  356.01  351.26  352.81  1,056,800 
06/25/2025
 359.74  359.74  353.69  353.72  1,074,100 
06/24/2025
 360.33  360.71  354.43  359.92  1,269,900 
06/23/2025
 353.36  359.63  352.70  359.20  1,176,600 
06/20/2025
 350.73  356.44  350.72  353.96  1,775,300 
06/18/2025
 350.08  352.69  347.02  350.10  1,035,600 
06/17/2025
 347.81  350.85  345.97  350.08  1,171,300 
06/16/2025 353.25  355.04  348.66  349.31  1,694,000 
06/13/2025 352.86  355.50  351.67  352.26  1,025,300 
06/12/2025
 350.80  355.36  349.02  355.03  1,366,400 
06/11/2025
 349.82  351.31  346.69  348.75  1,616,400 
06/10/2025
 356.56  357.14  349.94  350.97  1,108,500 
06/09/2025
 368.73  369.07  350.75  353.09  1,898,800 
06/06/2025
 372.17  373.83  369.26  370.31  705,600 
06/05/2025 371.50  371.52  366.22  369.71  1,177,700 
06/04/2025
 374.00  375.38  369.53  371.84  852,300 
06/03/2025
 376.64  379.11  370.72  373.70  1,169,100 
06/02/2025
 367.29  375.78  367.17  375.37  1,240,900 
05/30/2025 365.91  372.21  364.77  371.30  1,849,200 
05/29/2025
 359.98  366.15  358.51  366.15  1,272,300 
05/28/2025 362.76  365.37  360.01  360.56  832,400 
05/27/2025
 359.12  365.46  356.46  364.30  1,076,900 
05/23/2025 354.65  356.53  351.16  355.79  1,087,300 
05/22/2025
 356.48  357.68  352.12  354.59  811,600 
05/21/2025
 360.35  361.45  356.60  357.31  910,000 
05/20/2025
 363.91  364.04  361.11  361.67  678,100 
05/19/2025
 360.85  364.54  359.55  364.20  1,140,100 
05/16/2025
 357.78  361.51  356.95  361.16  1,096,900 
05/15/2025
 352.41  358.24  352.41  357.84  1,135,600 

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 ReportedProjected for Next Year
Common Stock Shares Outstanding212.5 M291.7 M
Net Income Applicable To Common Shares2.7 B2.8 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.
A focus of Aon PLC technical analysis is to determine if market prices reflect all relevant information impacting that market. A technical analyst looks at the history of Aon PLC trading pattern rather than external drivers such as economic, fundamental, or social events. It is believed that price action tends to repeat itself due to investors' collective, patterned behavior. Hence technical analysis focuses on identifiable price trends and conditions. More Info...

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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.
When determining whether Aon PLC offers a strong return on investment in its stock, a comprehensive analysis is essential. The process typically begins with a thorough review of Aon PLC's financial statements, including income statements, balance sheets, and cash flow statements, to assess its financial health. Key financial ratios are used to gauge profitability, efficiency, and growth potential of Aon Plc Stock. Outlined below are crucial reports that will aid in making a well-informed decision on Aon Plc Stock:
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 Money Managers module to screen money managers from public funds and ETFs managed around the world.
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
11.85
Revenue Per Share
77.323
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.