AON
Aon plc - Class A
PEG ratio, current and historical analysis
- Stocks
- Financial Services
- NYSE: AON
- PEG Ratio
Aon plc - Class A currently trades with a PEG ratio of 0.39, based on Aug 6, 2026 data. Dividing the 19.81 PE ratio by the 51.4% earnings growth rate produces this figure. Relative to the 1.62 average from the past four quarters, the PEG ratio has dropped by 76%.
AON PEG ratio history
Historically, Aon plc - Class A has a PEG ratio averaging 2.22 across the last ten years. At 0.39, today's PEG ratio sits 82% less than its historical average. The ten years high came in the Mar 2024 quarter at 9.97, reflecting peak valuation relative to growth. The bottom was reached in the Sep 2022 quarter at 0.09, suggesting attractive value relative to growth during that period.
Aon plc - Class A PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 0.57 | 20.62 | 36.3% |
| 2024 | N/A | 28.62 | -0.4% |
| 2023 | 7.7 | 23.1 | 3% |
| 2022 | 0.21 | 24.54 | 118.8% |
| 2021 | N/A | 53.77 | -34.2% |
| 2020 | 0.77 | 24.88 | 32.2% |
| 2019 | 0.83 | 32.44 | 39% |
| 2018 | N/A | 31.46 | -2.5% |
| 2017 | N/A | 28.27 | -9% |
| 2016 | 3.76 | 21.41 | 5.7% |
| 2015 | 4.45 | 18.7 | 4.2% |
| 2014 | 0.62 | 20.05 | 32.5% |
| 2013 | 1.29 | 23.5 | 18.2% |
| 2012 | 5.41 | 18.41 | 3.4% |
| 2011 | 0.76 | 16.03 | 21.2% |
Aon plc - Class A PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Jun 2026 | 0.35 | 18.21 | 51.4% |
| Mar 2026 | 0.32 | 17.63 | 54.9% |
| Dec 2025 | 0.57 | 20.62 | 36.3% |
| Sep 2025 | 5.25 | 28.37 | 5.4% |
| Jun 2025 | N/A | 29.66 | -4.5% |
| Mar 2025 | N/A | 33.76 | -8.2% |
| Dec 2024 | N/A | 28.62 | -0.4% |
| Sep 2024 | N/A | 29 | -10% |
| Jun 2024 | N/A | 23.3 | -2.6% |
| Mar 2024 | 9.97 | 25.93 | 2.6% |
| Dec 2023 | 7.7 | 23.1 | 3% |
| Sep 2023 | 8.74 | 24.47 | 2.8% |
| Jun 2023 | 0.31 | 26.7 | 85.5% |
| Mar 2023 | 0.25 | 25.14 | 99.4% |
| Dec 2022 | 0.21 | 24.54 | 118.8% |
AON average PEG ratio chart
Measured against past performance, AON's PEG ratio is lower than the 3, 5 and 10-year averages.
PEG comparison
With a PEG of 0.39, AON stands lower than the Financial Services sector and the industry average. Looking at the Financial Services sector average of 0.47, Aon plc - Class A's PEG is 17% lower.
AON EPS growth
AON Price vs fair value
AON PEG vs peers
Relative to its peer stocks ACGL and AXS, AON's PEG ratio is higher.
Frequently asked questions
What is Aon plc - Class A's PEG ratio?
Based on Aug 6, 2026 data, AON has a PEG ratio of 0.39.
What is the 3-year average PEG ratio for Aon plc - Class A (AON)?
Historical data over a 3-year period puts AON's average PEG ratio at 4.7.
What is the 5-year average PEG ratio for Aon plc - Class A (AON)?
Historical data over a 5-year period puts AON's average PEG ratio at 3.07.
What is the highest PEG ratio for AON?
The Mar 2024 quarter marked the ten years high at 9.97 for AON's PEG ratio.
How does the current PEG ratio for AON compare to its historical average?
Compared to the 10-year average, AON's PEG ratio stands 82% lower.
Why is Aon plc - Class A's PEG ratio so low?
Strong earnings growth relative to valuation results in AON's low PEG ratio of 0.39.
How is AON's PEG ratio calculated (Aon plc - Class A PEG ratio formula)?
Computing the PEG ratio involves dividing the PE ratio by the company's earnings per share growth (YoY TTM). As of Aug 6, 2026, Aon plc - Class A has a PE ratio of 19.81. Earnings grew at 51.4% over the TTM period ending Jun 2026. Applying the formula, this gives a PEG ratio of 0.39. PEG RATIO(0.39) = PE RATIO(19.81) / EPS GROWTH(51.4%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.