What Is AON Fair Value?
Aon plc (AON) fair value estimate using multiple valuation models, updated daily.
As of October 14, 2026, Aon plc (AON) has a composite fair value estimate of $253.19 based on four valuation models: DCF (35% weight), Graham Number (25% weight), PEG (25% weight), and DDM (15% weight). The current market price is $274.71, suggesting the stock is fair value by 7.8%.
Data as of October 14, 2026 (today)
Composite Fair Value
Fair Value4 of 4 models$253.19
vs. current price of $274.71(-7.8%)
How Is AON Fair Value Calculated?
Four independent models estimate what AON is worth. Each uses different inputs and assumptions. The composite blends them by weight.
AON Intrinsic Value
Forward-looking models based on future cash flows
DCF (Discounted Cash Flow)
35% weightEstimates how much cash the company will generate over the next 10 years, then calculates what all that future cash is worth in today's dollars. Includes a 15% safety cushion. Try the standalone DCF calculator →
$386.55
+40.7%Undervalued
Inputs used
DDM (Dividend Discount Model)
15% weightIf a company pays you dividends, this model asks: how much are all those future dividend payments worth today? Only works for stocks that pay dividends. Try the intrinsic value calculator →
$88.08
-67.9%Overvalued
Inputs used
AON Fair Value
Current fundamentals: earnings, assets, and growth rate
Graham Number (Value Investing)
25% weightCreated by legendary investor Benjamin Graham. It looks at two things: how much the company earns (EPS) and what its assets are worth (Book Value), then calculates the maximum price a careful investor should pay. Try the fair value calculator →
$137.54
-49.9%Overvalued
Inputs used
PEG (Price/Earnings to Growth)
25% weightChecks if you're paying a fair price for the company's growth. A fast-growing company deserves a higher price than a slow one. This model finds the right price based on how fast earnings are growing.
$185.70
-32.4%Overvalued
Inputs used
What If You Change the Assumptions?
Drag the sliders to test different scenarios. Tap the ? buttons to learn what each input means.
Your DCF Fair Value
Current price $274.71 is 40.7% below this estimate
View 10-year cash flow projections
| Year | Projected FCF (Free Cash Flow) | Present Value |
|---|---|---|
| Year 1 | $3.47B | $3.23B |
| Year 2 | $3.78B | $3.28B |
| Year 3 | $4.11B | $3.32B |
| Year 4 | $4.48B | $3.37B |
| Year 5 | $4.87B | $3.41B |
| Year 6 | $5.30B | $3.46B |
| Year 7 | $5.77B | $3.51B |
| Year 8 | $6.28B | $3.55B |
| Year 9 | $6.83B | $3.60B |
| Year 10 | $7.43B | $3.65B |
| Terminal Value | $156.48B | $76.86B |
What Are AON's Key Financial Metrics?
Earnings & Growth
Current Price
$274.71
EPS (TTM)
$18.14
Forward P/E
13.6
Profit Margin
22.3%
Cash & Balance Sheet
Free Cash Flow
3.2B
EBITDA
5.9B
Book Value
$45.27
Total Debt
15.9B
What Do Analysts Say About AON?
Low
$229.00
Average
$354.21
High
$435.00
Upside
+28.9%
AON Fair Value FAQ
What is the fair value of AON?
Based on our composite model (DCF 35%, Graham 25%, PEG 25%, DDM 15%), AON's estimated fair value is $253.19. The stock is currently trading at $274.71, which makes it fair value by our analysis.
How is AON's fair value calculated?
We use four valuation methods: Discounted Cash Flow (DCF), Graham Number, PEG-based Fair Value, and Dividend Discount Model (for dividend-paying stocks). The composite score weights DCF at 35%, Graham and PEG at 25% each, and DDM at 15%. When a model can't be applied, its weight is redistributed proportionally.
Is AON overvalued or undervalued?
Based on our analysis, AON is fair value. The current price of $274.71 is 7.8% above our estimated fair value of $253.19.
What do Wall Street analysts say about AON?
19 analysts cover Aon plc with a consensus rating of "Buy." The average price target is $354.21, ranging from $229.00 to $435.00. This implies 28.9% upside from the current price.