The PE ratio for Aon stock stands at 31.56 as of Apr 2, 2025. This is calculated based on the TTM EPS of $12.55 and the stock price of $396.03 per share. An increase of 18% has been observed in the PE ratio compared to its average of 26.7 of the last four quarters.
AON PE ratio history
Over the last ten years, the average PE ratio of Aon has been 29.04. The current 31.56 P/E ratio is 9% higher than the historical average. Looking back at the last ten years, AON's PE ratio peaked in the Sep 2021 quarter at 71.8, with a price of $285.77 and an EPS of $3.98. The Dec 2015 quarter marked the lowest point at 18.7, with a price of $92.21 and an EPS of $4.93.
Aon PE ratio by year
Maximum annual increase: 116.12% in 2021
Maximum annual decrease: -54.36% in 2022
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| 2024 | 28.62 | 23.9% | $359.16 | $12.55 |
| 2023 | 23.1 | -5.87% | $291.02 | $12.6 |
| 2022 | 24.54 | -54.36% | $300.14 | $12.23 |
| 2021 | 53.77 | 116.12% | $300.56 | $5.59 |
| 2020 | 24.88 | -23.3% | $211.27 | $8.49 |
| 2019 | 32.44 | 3.12% | $208.29 | $6.42 |
| 2018 | 31.46 | 11.28% | $145.36 | $4.62 |
AON average PE ratio chart
AON's current PE ratio is higher than the 3, 5 and 10-year averages.
AON PE vs peers
AON's PE ratio stands higher than its peer stocks MMC and ACGL.
| Stock name | PE ratio | Market cap |
|---|---|---|
| AXS Axis Capital Holdings Ltd | 8.09 | $8.17B |
| ACGL Arch Capital Group Ltd | 8.44 | $36.34B |
| MMC Marsh & Mclennan Companies Inc | 29.5 | $119.66B |
| AON Aon plc | 31.56 | $85.54B |
Frequently asked questions
What is Aon's PE ratio?
AON's price to earnings ratio is 31.56 as of Apr 2, 2025.
What is the 3-year average PE ratio for Aon (AON)?
Over the last 3 years, the average price to earnings ratio for AON stock is 26.39.
What is the 5-year average PE ratio for Aon (AON)?
Over the last 5 years, the average price to earnings ratio for AON stock is 31.35.
What is the highest PE ratio for AON?
Over the last ten years, the Sep 2021 quarter recorded the highest quarterly PE ratio at 71.8.
How does the current PE ratio for AON compare to its historical average?
The current PE ratio of AON is 9% higher than the 10-year historical average.
How is AON's PE ratio calculated (Aon PE ratio formula)?
The P/E ratio is calculated by taking the latest stock price and dividing it by the EPS for the last 12 months. As of today (Apr 2, 2025), Aon's share price is $396.03. The company's earnings per share for the trailing twelve months (TTM) ending Dec 2024 is $12.55. Therefore, Aon's PE ratio for today is 31.56. PE RATIO(31.56) = STOCK PRICE($396.03) / TTM EPS($12.55)
All PE ratio stats are based on quarterly TTM periods, unless otherwise specified. Data from 
and Sharadar.