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Quest Diagnostics Incorporated logo

Quest Diagnostics Incorporated (DGX) Stock Ticker

NYSE: DGX · Healthcare · Medical - Diagnostics & Research
$237.62-0.11%
USD · as of 2026-09-29 · market cap $26.1B
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DGX right now

Options expect by Oct 6±3.9%
Options expect by Oct 29±8.2%
Priced in for Oct 22 earnings±7.1%
IV rank (30-day)70% · fair
From Tickr's live models · 2026-09-29. Not investment advice.

Market factors today

Tickr 500 vs S&P 500+0.49%+1.0% MTD
Momentum L/S+1.35%+15.1% MTD
High-beta momo L/S+1.46%+22.2% MTD
Rate sensitivity L/S+1.91%+6.9% MTD
Oil sensitivity L/S-2.54%-5.3% MTD
Unprofitable tech-1.43%+3.7% MTD

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About Quest Diagnostics Incorporated

Quest Diagnostics Incorporated, founded in 1967 and headquartered in Secaucus, New Jersey, is a premier provider of diagnostic testing, information, and related services, serving clients both domestically and internationally. Its core business involves the development and provision of diverse diagnostic information services, such as routine, advanced clinical, and anatomic pathology testing. While primarily operating under the Quest Diagnostics brand, it also leverages specialized identities like AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum to reach a broad spectrum of clients. Its extensive client base includes patients, clinicians, hospitals, integrated delivery networks, health plans, employers, and other direct healthcare entities. Delivery of these services is facilitated through a robust network comprising laboratories, patient service centers, in-office phlebotomists, call centers, and mobile health professionals including paramedics and nurses. Additionally, the company provides risk assessment services for the life insurance industry and offers comprehensive information technology solutions to healthcare organizations and clinicians.

DGX stock facts

Ticker symbolDGX
ExchangeNew York Stock Exchange
SectorHealthcare
IndustryMedical - Diagnostics & Research
Market cap$26.1B
CEOJames E. Davis
Employees51,500
HeadquartersSecaucus, NJ, US
IPO date1996-12-17
Websitewww.questdiagnostics.com

What you can see for DGX on Tickr

Live DGX price chart with overlays, the options chain, implied move, IV rank, options flow and Strategy Lab, financial statements and consensus estimates, analyst ratings, catalysts, news with AI scoring, and an AI chat that has read the DGX report.

Rankings

Largest Healthcare companiesLargest companies by market cap

FAQ

What is the ticker symbol for Quest Diagnostics Incorporated?

The ticker symbol for Quest Diagnostics Incorporated is DGX, listed on the New York Stock Exchange.

What is DGX?

Quest Diagnostics Incorporated, founded in 1967 and headquartered in Secaucus, New Jersey, is a premier provider of diagnostic testing, information, and related services, serving clients both domestically and internationally. Its core business involves the development and provision of diverse diagnostic information services, such as routine, advanced clinical, and anatomic pathology testing.…

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