chartexchange

DGX
Quest Diagnostics Inc.
stockNYSE

At CloseOct 9, 2026 3:59:49 PM EDT
231.15USD+0.147%(+0.34)775,460
Pre-marketOct 9, 2026 9:11:30 AM EDT
231.00USD+0.082%(+0.19)
After-hoursOct 9, 2026 4:10:30 PM EDT
230.97USD-0.078%(-0.18)
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Healthcare
Diagnostics & Research
CEO
Stephen Rusckowski
HQ
Secaucus, NJ, USA
45,000
Previous Close
$230.81
Beta
-0.11
52-Week High
$248.84 2026-09-21
52-Week Low
$171.18 2026-01-05
SMA 50
$237.47
SMA 200
$207.39
Avg. Vol 10D
1.12M
Avg. Vol 30D
1.11M
Avg. Vol 90D
998,040
Relative Vol
0.70
110.37M
109.84M
0.4100%
1,400,000
Oct 22, 2026 (10d)
Apr 7, 2025 · $0.800
Jun 21, 2005 · 2-for-1
DGX Profile

quest diagnostics (nyse: dgx) empowers people to take action to improve health outcomes. derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. quest annually serves one in three adult americans and half the physicians and hospitals in the united states, and our 45,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives. the company offers physicians the broadest test menu (3,000+ tests), is a pioneer in developing innovative new tests, is the leader in cancer diagnostics, provides anatomic pathology (ap) services, & interpretive consultation through its medical & scientific staff of about 900 m.d.s & ph.d.s. the company reported 2014 revenues of $7.4 billion. quest diagnostics offers the most extensive clinical testing network in the u.s., with laborator

DGX Performance
PeriodPriceDateChangeBeta
1W232.222026-10-05-0.47%-1.623
1M235.022026-09-11-1.65%-0.503
3M207.442026-07-10+11.43%-0.441
6M191.512026-04-10+20.69%-0.321
1Y184.072025-10-10+25.57%-0.109
2Y148.672024-10-11+55.47%—
5Y140.362021-10-11+64.68%0.336
DGX Stock Summary

Quest Diagnostics Inc. (NYSE:DGX) stock price today is $231.14, and today's volume is 775,460. DGX is up 0.143% today. The 30 day average volume is 1.11M. DGX market cap is $25.51B with 110.37M shares outstanding.