Quest Diagnostics Inc. Share Price
NYSE: DGX | Large CapQuest Diagnostics Inc. Stock Performance
Quest Diagnostics Inc. Share Price Today
As of 29 October 2026, Quest Diagnostics Inc.'s share price is $250.35. The stock opened at $249.07, compared to its previous close of $245.51. During today's trading session, Quest Diagnostics Inc.'s share price traded between $249.07 and $251.06, with an average price of $250.06. Over the past 52 weeks, the stock has recorded a high of $251.06 and a low of $171.22. In terms of performance, Quest Diagnostics Inc.'s share price has risen by 28.71% over the last six months and is up 42.19% on a year-on-year basis.
Quest Diagnostics Inc. Share Price Chart
Quest Diagnostics Inc. Quarterly Profit & Loss
All figures in USD
Quest Diagnostics Inc. Annual Profit & Loss
All figures in USD
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.
Quest Diagnostics Inc. Historical Returns
| Month | Open | Close | Change % |
|---|---|---|---|
Oct 2026 | $232.57 | $250.72 | +7.42% |
Sep 2026 | $241.33 | $233.41 | -4.55% |
Aug 2026 | $232.56 | $244.53 | +4.87% |
Jul 2026 | $212.72 | $233.18 | +10.06% |
Jun 2026 | $194.71 | $211.86 | +8.63% |
May 2026 | $195.54 | $195.03 | +0.27% |
Apr 2026 | $195.15 | $194.50 | -0.78% |
Mar 2026 | $212.14 | $196.02 | -7.48% |
Feb 2026 | $185.93 | $211.86 | +13.34% |
Jan 2026 | $172.45 | $186.92 | +7.75% |
Dec 2025 | $188.99 | $173.48 | -8.40% |
Nov 2025 | $175.66 | $189.38 | +7.56% |