Massivemarkets

DGX

Quest Diagnostics Inc.

NYSE · usd

$242.16+0.27 (+0.11%)
As of 1:50:12 PM EDT on Oct 26, 2026 · 15-minute delayed

Quest Diagnostics Inc. (DGX) trades at $242.16 (+0.11%) as of 1:50:12 PM EDT on Oct 26, 2026, +2.40% over the past month. Market cap is $26.7B, with 2.7 days to cover in short interest.

Stock performance

How Quest Diagnostics Inc. (DGX) stock has performed from one day to one year, with its 52-week range.

-0.47%
-$1.15 over 1D
$241.32$242.20$243.07$243.959:30 AM10:35 AM11:40 AM12:40 PM1:45 PM$242.00
1D
+0.05%
1W
+3.02%
1M
+2.40%
YTD
+39.46%
1Y
+34.25%
52-wk range
$171.18 – $248.84

Key statistics

Today's trading snapshot for DGX: day range, open, previous close, volume and market cap.

Day range
$241.12 – $244.22
Open
$243.00
Prev close
$241.89
Volume
370.23K
Market cap
$26.7B
Shares out
110.02M

Valuation and profitability ratios: P/E, P/S, ROE

Valuation and profitability ratios for Quest Diagnostics Inc.: P/E, P/S, P/B, ROE and more.

P/E
23.73
P/S
2.25
P/B
3.50
P/FCF
19.42
ROE
14.7%
ROA
6.5%
Debt/Equity
0.73
Div yield
1.38%

As of Oct 23, 2026

8-K filings

Material corporate events Quest Diagnostics Inc. has disclosed to the SEC on Form 8-K.

  • Cybersecurity incidentOct 22, 2026

    On October 21, 2026, Quest Diagnostics Incorporated learned of unauthorized access to its Quanum LSM system, which certain clients use to place test orders, receive and look up results. While the full scope of unauthorized access remains under investigation, at this time the Company believes that an unauthorized party accessed certain patient records.

  • Quarterly earningsOct 22, 2026

    On October 22, 2026, Quest Diagnostics Incorporated (the "Company") issued a press release announcing, among other things, its results for the quarter ended September 30, 2026.

  • Executive officer departureOct 6, 2026

    On October 6, 2026, Quest Diagnostics Incorporated (the "Company") announced that Catherine T. Doherty will retire in July 2027. Until then, effective November 1, 2026, Ms. Doherty will transition to a new role as Executive Vice President...

  • Shareholder proposal outcomeMay 21, 2026

    The stockholder proposal regarding an independent board chairman was not approved by the following votes: FOR 23,999,636, AGAINST 69,792,819, ABSTAIN 407,290, NON-VOTES 9,135,906

  • Debt issuanceMay 8, 2026

    On May 6, 2026, Quest Diagnostics Incorporated (the "Company") issued $500,000,000 aggregate principal amount of 5.000% senior notes due 2036 (the "Notes"). The Company will pay interest on the Notes on June 30 and December 30 of each year, beginning on December 30, 2026. The Notes will mature on June 30, 2036.

Dividend history and stock splits

Quest Diagnostics Inc.'s recent dividend payments and stock splits.

Dividends

  • $0.86ex-div Oct 6, 2026
  • $0.86ex-div Jul 8, 2026
  • $0.86ex-div Apr 6, 2026
  • $0.80ex-div Jan 13, 2026

Splits

  • 2-for-1Jun 21, 2005

DGX short interest

How heavily DGX is shorted: shares short, days to cover and average daily volume.

Days to cover
2.7
Short interest
3.42M
Avg volume
1.27M

As of · reported to FINRA twice monthly.

DGX news

The latest news and headlines about Quest Diagnostics Inc. (DGX).

Frequently asked questions

What is the Quest Diagnostics Inc. (DGX) stock price today?

Quest Diagnostics Inc. (DGX) is trading at $242.16 (+0.11% on the day) as of 1:50:12 PM EDT on Oct 26, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

What is 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…

What is the short interest in DGX?

As of Sep 30, 2026, DGX has 3.42M shares short and 2.7 days to cover.

Does Quest Diagnostics Inc. (DGX) pay a dividend?

Yes. Quest Diagnostics Inc. (DGX)'s most recent dividend was $0.86 per share, with an ex-dividend date of Oct 6, 2026. Full DGX dividend history is available from the Massive API.

What exchange is DGX listed on?

Quest Diagnostics Inc. (DGX) trades on NYSE in USD, in the SERVICES-MEDICAL LABORATORIES industry.

Build with AI

Build an analysis of DGX with your agent

Point Claude or ChatGPT at the Massive MCP server and recreate this page from live data.

Connect the Massive MCP server (API reference: massive.com/docs/llms.txt) and build a DGX analysis: the latest quote, key ratios (P/E, P/S, ROE), short interest, recent insider activity and the latest news.

Live market data from the Massive API and MCP.Get a free API key

Nothing on this page is investment advice. All data and content is provided for informational purposes under our Terms of Service.