Quest Diagnostics (DGX) went public on December 17, 1996, when it opened at a split-adjusted price of $2.67.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
January 2026 | $173.31 | $181.22 | $171.18 | $180.46 | 2,597,443 |
December 2025 | $188.50 | $189.39 | $173.39 | $173.53 | 20,468,197 |
November 2025 | $175.78 | $193.76 | $174.36 | $189.18 | 22,046,452 |
October 2025 | $189.84 | $197.55 | $174.33 | $175.95 | 26,627,864 |
September 2025 | $180.10 | $190.64 | $176.26 | $189.74 | 14,493,200 |
August 2025 | $167.50 | $184.80 | $167.22 | $180.84 | 17,557,100 |
July 2025 | $177.76 | $180.09 | $163.92 | $166.67 | 29,448,300 |
June 2025 | $170.97 | $180.75 | $169.52 | $178.03 | 16,264,600 |
May 2025 | $174.82 | $178.38 | $166.96 | $171.79 | 25,094,300 |
April 2025 | $166.63 | $177.56 | $155.80 | $176.63 | 35,004,500 |
March 2025 | $171.25 | $176.41 | $160.76 | $166.87 | 25,594,500 |
February 2025 | $159.61 | $174.01 | $157.81 | $170.52 | 20,149,600 |
January 2025 | $149.14 | $164.78 | $146.66 | $160.86 | 21,041,100 |
December 2024 | $159.46 | $159.93 | $146.30 | $148.06 | 16,152,700 |
November 2024 | $153.03 | $162.25 | $149.24 | $159.64 | 17,801,500 |
October 2024 | $151.19 | $157.96 | $143.46 | $151.96 | 17,965,400 |
September 2024 | $153.33 | $155.63 | $146.02 | $151.62 | 14,764,500 |
August 2024 | $139.52 | $153.66 | $139.52 | $153.30 | 15,897,000 |
July 2024 | $133.59 | $147.07 | $132.40 | $138.97 | 22,667,100 |
June 2024 | $136.89 | $139.73 | $131.59 | $132.96 | 13,998,800 |
May 2024 | $134.35 | $141.45 | $131.39 | $137.91 | 19,395,200 |
April 2024 | $128.20 | $138.38 | $121.83 | $134.23 | 25,310,100 |
March 2024 | $120.72 | $128.85 | $119.44 | $128.56 | 17,777,600 |
February 2024 | $119.81 | $126.27 | $118.84 | $120.63 | 23,193,800 |
January 2024 | $132.71 | $138.00 | $122.95 | $124.04 | 23,277,700 |
