Companies: 10,795·Total market cap: $144.5T
Aon plc

Aon plc

AONNYSEFinancial Services● Active
$325.85
$-2.68(-0.82%)
Market Cap$69.6B
P/E Ratio
52W High$381
52W Low$304.59
Overview

Aon plc (AON) PE Ratio — Current & Historical Data

Trailing twelve months (TTM) P/E, forward P/E, PEG, and annual PE history — from market prices and filings.

aon · pe ratio · data through Dec 31, 2025

Core PE Ratio Metrics

Trailing 12 months · TTM

The price-to-earnings (P/E) ratio for Aon plc (AON) measures how much investors pay for each dollar of the company's trailing earnings. AON's current PE ratio of 17.71x is calculated by dividing its stock price of $325.85 by its TTM earnings per share of $18.39. −41.2% discount vs 5Y avg 30.1x

17.71x
P/E Ratio (TTM)41.2%

Source: FMP · /ratios-ttm · /analyst-estimates · 2025-12-31

Forward P/E
17.01x
FY2026 est. EPS $19.15
Based on 14 analysts
EPS (TTM)
$18.39
TTM · diluted EPS
PEG Ratio
0.32
Below 1.0 · Growth adjusted
Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Aon plc SEC 10-K & 10-Q filings · US GAAPUpdated: 2026-06-08

PE Ratio History

2006 – 2025 · Annual
PE Ratio (TTM)
5Y Avg 30.1x
EPS (Annual)

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare (Annual)

Historical PE Range

Past 20 fiscal years · Front-end computed
Average
23.0x
20-yr mean
Median
21.0x
20-yr midpoint
Minimum
8.9x
Lowest year
Maximum
53.8x
Highest year
17.7x ← Now
8.9x
Min
Q1 · 25%21.0x
Median
Q3 · 75%53.8x
Max
Historically Low

At 17.71x, AON's current P/E is lower than in 25% of its annual fiscal year readings over the past 20 years — historically low.

25th percentileHigher than 5 of 20 historical fiscal year readings

Percentile calculated from annual fiscal year data points, not by trading day. Years where PE ≤ 0 or > 9,999 are excluded.

PE Ratio vs Peers

Insurance - Brokers · 6 peers · Annual PE
CompanyMarket CapPE (Annual)vs AvgEPS (TTM)
Aon plc
Aon plcYou
AON
$69.6B17.71x-10.1%$18.39
Arthur J. Gallagher & Co.
Arthur J. Gallagher & Co.
AJG
$54.6B45.10x+128.8%$5.74
Apollo Global Management, Inc.
Apollo Global Management, Inc.
APO
$73.5B19.64x-0.4%$7.37
The Bank of New York Mellon Corporation
The Bank of New York Mellon Corporation
BK
$97.4B14.74x-25.2%$7.87
The Bank of Nova Scotia
The Bank of Nova Scotia
BNS
$99.2B14.67x-25.6%$6.26
Canadian Imperial Bank of Commerce
Canadian Imperial Bank of Commerce
CM
$101.5B12.88x-34.7%$9.01
ING Groep N.V.
ING Groep N.V.
ING
$83.7B11.24x-43.0%$2.12
Industry Average
6 peers with valid PE
19.71xbaseline

* N/A — Company is not profitable (TTM) · excluded from industry average · ▸ FMP /stock-peers + /ratios?limit=1 · priceToEarningsRatio

Annual PE Ratio History

Showing 10 of 20 years
Fiscal Year EndPE RatioEPS (TTM)YoY ChangePE vs Max
2025-12-31Latest
FY2025
20.54x$17.18-28.2%
2024-12-31
FY2024
28.61x$12.55+23.9%
2023-12-31
FY2023
23.10x$12.60-5.9%
2022-12-31
FY2022
24.54x$12.23-54.4%
2021-12-31
FY2021
53.81x$5.59+116.3%
2020-12-31
FY2020
24.88x$8.49-23.3%
2019-12-31
FY2019
32.44x$6.42+3.2%
2018-12-31
FY2018
31.43x$4.62+11.2%
2017-12-31
FY2017
28.25x$4.74+32.0%
2016-12-31
FY2016
21.41x$5.21+14.5%

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare · Zero extra API

About PE Ratio & Methodology

The price-to-earnings (P/E) ratio for Aon plc (AON) measures how much investors pay for each dollar of the company's trailing earnings. AON's current PE ratio of 17.71x is calculated by dividing its stock price of $325.85 by its TTM earnings per share of $18.39.

PE Ratio = Stock Price ÷ EPS (TTM)
= $325.85 ÷ $18.39 = 17.71x
TTMTrailing Twelve Months — sum of the most recent 4 quarterly EPS figures
Forward PEStock price ÷ analyst consensus EPS estimate for the next fiscal year
PEGPE ÷ earnings growth rate — values below 1.0 suggest growth may justify the premium
Figures tie to SEC 10-K/10-Q and FMP ratio endpoints where noted.

Frequently asked questions

AON pe ratio · 6 questions

AON's current PE ratio is 17.71x as of 2026-06-08, based on a stock price of $325.85 and TTM EPS of $18.39. Data sourced from Financial Modeling Prep via AON's SEC 10-K and 10-Q filings.

AON PE ratioWhat is AON PE ratioCurrent PE ratio of AONAON PE ratio today

Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Aon plc SEC 10-K & 10-Q filings · US GAAP · Updated: 2026-06-08