What Is DGX Fair Value?
Quest Diagnostics (DGX) fair value estimate using multiple valuation models, updated daily.
As of August 29, 2026, Quest Diagnostics (DGX) has a composite fair value estimate of $201.99 based on four valuation models: DCF (35% weight), Graham Number (25% weight), PEG (25% weight), and DDM (15% weight). The current market price is $242.76, suggesting the stock is overvalued by 16.8%.
Data as of August 29, 2026 (today)
Composite Fair Value
Overvalued4 of 4 models$201.99
vs. current price of $242.76(-16.8%)
How Is DGX Fair Value Calculated?
Four independent models estimate what DGX is worth. Each uses different inputs and assumptions. The composite blends them by weight.
DGX 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 →
$277.61
+14.4%Fair Value
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 →
$166.68
-31.3%Overvalued
Inputs used
DGX 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 →
$131.17
-46.0%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.
$119.53
-50.8%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 $242.76 is 14.4% below this estimate
View 10-year cash flow projections
| Year | Projected FCF (Free Cash Flow) | Present Value |
|---|---|---|
| Year 1 | $1.01B | $942.4M |
| Year 2 | $1.11B | $976.4M |
| Year 3 | $1.23B | $1.01B |
| Year 4 | $1.37B | $1.05B |
| Year 5 | $1.51B | $1.09B |
| Year 6 | $1.67B | $1.13B |
| Year 7 | $1.85B | $1.17B |
| Year 8 | $2.05B | $1.21B |
| Year 9 | $2.27B | $1.25B |
| Year 10 | $2.51B | $1.30B |
| Terminal Value | $59.45B | $30.72B |
What Are DGX's Key Financial Metrics?
Earnings & Growth
Current Price
$242.76
EPS (TTM)
$9.35
Forward P/E
20.1
Profit Margin
9.2%
Cash & Balance Sheet
Free Cash Flow
909.6M
EBITDA
2.3B
Book Value
$68.33
Total Debt
6.4B
What Do Analysts Say About DGX?
Low
$204.00
Average
$245.87
High
$265.00
Upside
+1.3%
DGX Fair Value FAQ
What is the fair value of DGX?
Based on our composite model (DCF 35%, Graham 25%, PEG 25%, DDM 15%), DGX's estimated fair value is $201.99. The stock is currently trading at $242.76, which makes it overvalued by our analysis.
How is DGX'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 DGX overvalued or undervalued?
Based on our analysis, DGX is overvalued. The current price of $242.76 is 16.8% above our estimated fair value of $201.99.
What do Wall Street analysts say about DGX?
15 analysts cover Quest Diagnostics with a consensus rating of "." The average price target is $245.87, ranging from $204.00 to $265.00. This implies 1.3% upside from the current price.