NYSE: DGX
Quest Diagnostics Inc Stock

$180.23-3.49 (-1.9%)
Updated Aug 22, 2025
DGX Price
$180.23
Fair Value Price
N/A
Market Cap
$20.15B
52 Week Low
$146.17
52 Week High
$185.62
P/E
21.28x
P/B
2.79x
P/S
1.91x
PEG
2.2x
Dividend Yield
1.3%
Revenue
$10.52B
Earnings
$950.00M
Gross Margin
33%
Operating Margin
14.13%
Profit Margin
9%
Debt to Equity
1.2
Operating Cash Flow
$2B
Beta
0.38
Next Earnings
N/A
Ex-Dividend
Oct 3, 2025
Next Dividend
Oct 20, 2025

DGX Overview

Quest Diagnostics Incorporated operates clinical laboratories in the U.S, Puerto Rico, Mexico, and Brazil. The company also maintains collaborative agreements with hospitals and clinics around the world. The company offers diagnostic testing services for cancer, cardiovascular disease, infectious disease, neurological disorders, and COVID-19, as well as employment and court-ordered drug testing. Quest Diagnostics was founded in 1967 and is headquartered in Secaucus, NJ.

Zen Rating

Our proven quant model uses 115 proprietary factors, including AI, to determine DGX's potential to beat the market

CHold
  • Stocks with a Zen Rating of Hold (C) had an average return of +7.53% per year. Learn More

Zen Rating Component Grades

C
Zen Rating uses advanced AI algorithms that detect subtle patterns in market data; it anticipates future trends that point to superior stock price results.

Industry: Diagnostic & Research

Industry Rating
C
DGX
Ranked
#11 of 41

Top Ranked Stocks in Industry

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DGX News

Overview

Due Diligence Score

Industry Average (27)
You've viewed Due Diligence Score for 10/10 free stocks. Upgrade to Premium to see how DGX scored across 38 valuation, financial, forecast, performance, and dividend due diligence checks.

Due Diligence Checks

DGX ($180.23) is trading above its intrinsic value of $77.35, according to an updated version of Benjamin Graham's Formula from Chapter 11 of "The Intelligent Investor"
Below Benjamin Graham Formula Value Valuation
DGX is good value based on its earnings relative to its share price (21.28x), compared to the US market average (35.55x)
P/E vs Market Valuation
DGX is good value based... subscribe to Premium to read more.
P/E vs Industry Valuation
There are 35 more DGX due diligence checks available for Premium users.

Valuation

DGX price to earnings (PE)

For valuing profitable companies with steady earnings

Company
21.28x
Industry
23.41x
Market
35.55x
DGX is good value based... subscribe to Premium to read more.
P/E vs Industry Valuation
DGX is good value based... subscribe to Premium to read more.
P/E vs Market Valuation

DGX price to book (PB)

For valuing companies that are loss-making or have lots of physical asset

Company
2.79x
Industry
3.92x
DGX is good value based... subscribe to Premium to read more.
P/B vs Industry Valuation

DGX price to earnings growth (PEG)

For valuing profitable companies with growth potential

DGX is poor value relative... subscribe to Premium to read more.
PEG Value Valuation

DGX's financial health

Profit margin

Revenue
$2.8B
Net Income
$282.0M
Profit Margin
10.2%
DGX's Earnings (EBIT) of $1.49B... subscribe to Premium to read more.
Interest Coverage Financials
DGX's profit margin (9%) has... subscribe to Premium to read more.
Profit Margin Growth Financials

Assets to liabilities

Assets
$16.0B
Liabilities
$8.7B
Debt to equity
1.2
DGX's short-term assets ($2.20B) exceed... subscribe to Premium to read more.
Short-term Liabilities Financials
DGX's long-term liabilities ($6.68B) exceed... subscribe to Premium to read more.
Long-term Liabilities Financials
DGX's debt relative to shareholder... subscribe to Premium to read more.
Shrinking Debt Financials
DGX's debt to equity ratio... subscribe to Premium to read more.
Healthy Debt to Equity Financials

Cash flow

Operating
$544.0M
Investing
-$124.0M
Financing
-$293.0M
DGX's operating cash flow ($1.68B)... subscribe to Premium to read more.
Debt Coverage Financials

DGX vs Diagnostic & Research Stocks

TickerZen RatingMarket Cap1d %P/EP/B
DGXC$20.15B-1.90%21.28x2.79x
WATC$17.99B+4.05%27.15x8.33x
NTRAC$22.61B+2.25%-112.65x18.24x
LHB$23.12B+0.59%30.47x2.73x
ILMNC$15.65B+2.53%12.85x6.93x

Quest Diagnostics Stock FAQ

What is Quest Diagnostics's quote symbol?

(NYSE: DGX) Quest Diagnostics trades on the NYSE under the ticker symbol DGX. Quest Diagnostics stock quotes can also be displayed as NYSE: DGX.

If you're new to stock investing, here's how to buy Quest Diagnostics stock.

What is the 52 week high and low for Quest Diagnostics (NYSE: DGX)?

(NYSE: DGX) Quest Diagnostics's 52-week high was $185.62, and its 52-week low was $146.17. It is currently -2.9% from its 52-week high and 23.3% from its 52-week low.

How much is Quest Diagnostics stock worth today?

(NYSE: DGX) Quest Diagnostics currently has 111,823,441 outstanding shares. With Quest Diagnostics stock trading at $180.23 per share, the total value of Quest Diagnostics stock (market capitalization) is $20.15B.

Quest Diagnostics stock was originally listed at a price of $4.22 in Dec 31, 1997. If you had invested in Quest Diagnostics stock at $4.22, your return over the last 27 years would have been 4,170.85%, for an annualized return of 14.92% (not including any dividends or dividend reinvestments).

How much is Quest Diagnostics's stock price per share?

(NYSE: DGX) Quest Diagnostics stock price per share is $180.23 today (as of Aug 22, 2025).

What is Quest Diagnostics's Market Cap?

(NYSE: DGX) Quest Diagnostics's market cap is $20.15B, as of Aug 23, 2025.

Market cap (market capitalization) is the total market value of a publicly traded company's outstanding shares.

Quest Diagnostics's market cap is calculated by multiplying DGX's current stock price of $180.23 by DGX's total outstanding shares of 111,823,441.
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