Quest Diagnostics (DGX) Stock Chart & Stock Price History $176.57 -2.76 (-1.54%) Closing price 03:59 PM EasternExtended Trading$179.00 +2.43 (+1.38%) As of 07:56 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Quest Diagnostics Stock Price Performance The Quest Diagnostics (DGX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 29.22%, with a year-to-date return of 17.04%. In the past month, the stock has increased 1.29%, reflecting recent market activity. As of the latest close, Quest Diagnostics traded at $179.36 with a market cap of $20.02 billion and volume of 850,341 shares. Five years ago, the stock traded at $116.04, representing a 52.16% increase over that period. At the time, it had a market cap of $15.63 billion and a volume of 854,185 shares. Receive DGX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Quest Diagnostics and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-0.65%1 Month Performance+1.29%3 Month Performance+5.15%Year-To-Date Performance+17.04%1 Year Performance+29.22%5 Year Performance+52.16% DGX Stock Chart for Wednesday, July, 2, 2025 DGX Chart by TradingView Quest Diagnostics Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/02/2025$179.36$176.57-1.56%$179.12$174.64895,627 shs$19.71 billion07/01/2025$179.52$179.36-0.09%$181.15$178.07850,341 shs$20.02 billion06/30/2025$177.73$179.52+1.01%$179.76$177.21819,342 shs$20.04 billion06/27/2025$177.10$177.73+0.36%$180.24$176.561.21 million shs$19.84 billion06/26/2025$178.71$177.10-0.90%$180.09$175.641.04 million shs$19.77 billion06/25/2025$179.93$178.71-0.68%$179.32$177.55747,546 shs$19.95 billion06/24/2025$179.74$179.93+0.11%$180.03$177.32707,321 shs$20.09 billion06/23/2025$179.31$179.74+0.24%$180.32$178.521.20 million shs$20.07 billion06/20/2025$179.64$179.31-0.18%$181.00$178.751.02 million shs$20.02 billion06/19/2025$179.64$179.64$180.83$177.76618,899 shs$20.05 billion Get the Latest News and Ratings for DGX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Quest Diagnostics and its competitors with MarketBeat's FREE daily newsletter. 06/18/2025$178.95$179.64+0.39%$180.83$177.76618,899 shs$20.05 billion06/17/2025$182.06$178.95-1.71%$182.26$178.38871,876 shs$19.98 billion06/16/2025$180.04$182.06+1.12%$182.38$179.21988,995 shs$20.32 billion06/13/2025$178.90$180.04+0.64%$181.91$177.711.03 million shs$20.10 billion06/12/2025$176.83$178.90+1.17%$179.85$176.28743,155 shs$19.97 billion06/11/2025$177.43$176.83-0.34%$178.36$176.23583,084 shs$19.74 billion06/10/2025$175.90$177.43+0.87%$178.13$176.00763,075 shs$19.81 billion06/09/2025$174.48$175.90+0.82%$176.50$172.48496,162 shs$19.64 billion06/06/2025$173.64$174.48+0.48%$175.50$174.17434,247 shs$19.48 billion06/05/2025$173.83$173.64-0.11%$174.70$173.37602,782 shs$19.38 billion06/04/2025$173.64$173.83+0.11%$175.27$172.85742,962 shs$19.41 billion06/03/2025$174.31$173.64-0.39%$174.21$172.02769,335 shs$19.38 billion06/02/2025$173.07$174.31+0.72%$175.21$171.05876,211 shs$19.46 billion Related Companies Henry Schein Stock Price Chart Medpace Stock Price Chart AMN Healthcare Services Stock Price Chart Labcorp Stock Price Chart DaVita Stock Price Chart Chemed Stock Price Chart CorVel Stock Price Chart Amedisys Stock Price Chart Pediatrix Medical Group Stock Price Chart Cross Country Healthcare Stock Price Chart Receive DGX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Quest Diagnostics and its competitors with MarketBeat's FREE daily newsletter. 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