Quest Diagnostics (DGX) went public on December 17, 1996, when it opened at a split-adjusted price of $2.66.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
January 2026 | $172.52 | $190.99 | $170.40 | $189.49 | 10,819,216 |
December 2025 | $187.64 | $188.52 | $172.60 | $172.74 | 20,468,197 |
November 2025 | $174.98 | $192.88 | $173.57 | $188.32 | 22,046,452 |
October 2025 | $188.97 | $196.65 | $173.54 | $175.15 | 26,628,695 |
September 2025 | $179.28 | $189.78 | $175.46 | $188.87 | 14,493,234 |
August 2025 | $166.73 | $183.96 | $166.46 | $180.01 | 17,557,302 |
July 2025 | $176.95 | $179.27 | $163.18 | $165.91 | 29,448,980 |
June 2025 | $170.19 | $179.93 | $168.75 | $177.22 | 16,264,778 |
May 2025 | $174.02 | $177.57 | $166.20 | $171.01 | 25,094,818 |
April 2025 | $165.87 | $176.75 | $155.09 | $175.83 | 35,005,038 |
March 2025 | $170.47 | $175.61 | $160.03 | $166.11 | 25,594,810 |
February 2025 | $158.89 | $173.22 | $157.09 | $169.75 | 20,149,912 |
January 2025 | $148.46 | $164.03 | $145.99 | $160.13 | 21,041,998 |
December 2024 | $158.73 | $159.20 | $145.64 | $147.39 | 16,153,613 |
November 2024 | $152.33 | $161.51 | $148.56 | $158.92 | 17,802,030 |
October 2024 | $150.50 | $157.25 | $142.81 | $151.27 | 17,966,024 |
September 2024 | $152.63 | $154.92 | $145.36 | $150.93 | 14,764,452 |
August 2024 | $138.88 | $152.96 | $138.88 | $152.60 | 15,897,023 |
July 2024 | $132.98 | $146.39 | $131.80 | $138.34 | 22,667,024 |
June 2024 | $136.27 | $139.08 | $131.00 | $132.36 | 14,134,514 |
May 2024 | $133.74 | $140.81 | $130.80 | $137.28 | 19,394,866 |
April 2024 | $127.61 | $137.76 | $121.28 | $133.62 | 25,310,469 |
March 2024 | $120.17 | $128.27 | $118.89 | $127.98 | 17,777,906 |
February 2024 | $119.27 | $125.69 | $118.30 | $120.08 | 23,194,291 |
January 2024 | $132.11 | $137.37 | $122.39 | $123.48 | 23,277,922 |
