Quest Diagnostics Inc.
Market cap $25.1B
$227.86
DGX
$227.86
-0.02% today
Buy with €1M virtual cash · No real money
Quest Diagnostics Inc. (DGX) is a publicly traded company listed on the XNYS. As of July 27, 2026, Invest's signal rates DGX a Buy, with the stock up 34% over the past year. You can practice trading DGX risk-free with €1,000,000 in virtual cash.
Key stats
As of July 27, 2026
Market Cap
$25.1B
Volume
1.5M
52-wk High
$237.78
52-wk Low
$165.78
Day High
$233.21
Day Low
$223.42
P/E (TTM)
24.19
Revenue (TTM)
$11.6B
EPS (TTM)
$9.42
Performance
1M
+12.2%
6M
+25.1%
1Y
+33.7%
Invest signal · DGX
BuyAlgorithmic signal from price trend, valuation, and fundamentals — educational only, not financial advice.
DGX overview
AI overviewRevenue & EPS — last 8 quarters
QoQ rev +5.1%Revenue
$3BEPS (diluted)
$2.84 per shareLatest DGX news
Global Cancer Biomarkers Market to Reach $37.8 Billion by 2035 as Precision Oncology Adoption Accelerates - Trends and Forecasts Till 2035
GlobeNewswire Inc. · 4d ago
Health Coalition Issues Open Letter to Health Minister to Stop Transfer of Lab Testing by Quest/Lifelabs to U.S.
GlobeNewswire Inc. · Jun 15
Quest Diagnostics Declares Quarterly Cash Dividend
Benzinga · May 19
Global HPV Testing and Pap Test Market is Expected to Showcase a Significant Growth at a CAGR of ~7% by 2034 | DelveInsight
GlobeNewswire Inc. · May 12
Drug Screening Market Trends 2026–2031: Chromatography and Mass Spectrometry Held a 44.77% Share in 2025 Amid Growing Demand for Advanced Testing, Reports Mordor Intelligence
GlobeNewswire Inc. · Apr 3
About Quest Diagnostics Inc.
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.
Employees
57,000
30-Day Win Rate · DGX
10 days
13 days
Last 23 sessions
How to practice trading DGX
- 1
Use the DGX buy panel above
Set a quantity and hit Buy at the real market price — right here, nothing to download.
- 2
Trade with €1,000,000 virtual cash
You get a million in virtual money instantly to invest, risk-free.
- 3
Create a free account to save it
Sign up in seconds to keep your portfolio and track its performance.
- 4
Track and compete
Watch your portfolio grow and climb the global leaderboard — or start a private league.
- 5
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Top DGX traders on Invest
Full leaderboardFrequently asked questions
Is DGX a good stock to buy right now?
As of July 27, 2026, Invest's signal rates DGX a Buy, based on its price trend, valuation, and fundamentals (P/E around 24.2), with the stock up 34% over the past year. This is an educational signal, not financial advice — the best way to test the thesis is to practice trading DGX risk-free first.
What is Quest Diagnostics Inc.'s (DGX) market cap?
Quest Diagnostics Inc. has a market capitalization of approximately $25.1B, on trailing-twelve-month revenue of about $11.6B.
How has DGX stock performed?
DGX is up 34% over the past year and up 25% over six months. Its 52-week range runs roughly from $165.78 to $237.78. Past performance doesn't predict future results.
How can I practice trading DGX for free?
On Invest you get €1,000,000 in virtual cash and can buy DGX at real market prices right in your browser — no download and no real money at risk. Create a free account to save your portfolio and track its performance over time.
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