AON Stock Summary and Trading Ideas (Aon PLC Class A Ordinary Shares (Ireland) | NYSE:AON)

Aon is a leading global provider of insurance and reinsurance brokerage and human resources solutions. Its operations are tilted toward its brokerage operations. Headquartered in London, Aon has about 60,000 employees and operations in over 120 countries.

Aon PLC Class A Ordinary Shares (Ireland) trades on the NYSE stock market under the symbol AON.

As of March 20, 2026, AON stock price climbed to $322.81 with 313,141 million shares trading.

AON has a beta of 0.39, meaning it tends to be less sensitive to market movements. AON has a correlation of 0.09 to the broad based SPY ETF.

AON has a market cap of $69.16 billion. This is considered a Large Cap stock.

Last quarter Aon PLC Class A Ordinary Shares (Ireland) reported $4 billion in Revenue and $4.85 earnings per share. This fell short of revenue expectation by $-76 million and exceeded earnings estimates by $.10.

In the last 3 years, AON traded as high as $412.97 and as low as $268.06.

The top ETF exchange traded funds that AON belongs to (by Net Assets): VTI, VOO, IVV, SPY, VTV.

AON has underperformed the market in the last year with a price return of -16.5% while the SPY ETF gained +16.3%. AON has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -7.6% and -4.7%, respectively, while the SPY returned -4.2% and -4.3%, respectively.

AON support price is $311.53 and resistance is $322.45 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that AON shares will trade within this expected range on the day.