Quest Diagnostics (DGX) went public on December 17, 1996, when it opened at a split-adjusted price of $2.63.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
August 2026 | $232.84 | $240.00 | $229.76 | $234.40 | 7,115,019 |
July 2026 | $212.80 | $240.13 | $201.00 | $233.01 | 24,375,249 |
June 2026 | $193.35 | $213.34 | $190.24 | $211.09 | 18,543,539 |
May 2026 | $193.71 | $196.58 | $185.48 | $194.11 | 15,592,339 |
April 2026 | $193.88 | $208.94 | $186.74 | $193.41 | 22,129,850 |
March 2026 | $210.74 | $211.48 | $191.12 | $194.34 | 18,689,085 |
February 2026 | $184.46 | $211.72 | $180.84 | $210.14 | 22,181,977 |
January 2026 | $171.08 | $189.47 | $168.97 | $185.47 | 20,033,113 |
December 2025 | $186.08 | $186.95 | $171.16 | $171.30 | 20,468,197 |
November 2025 | $173.52 | $191.27 | $172.12 | $186.75 | 22,046,452 |
October 2025 | $187.40 | $195.01 | $172.09 | $173.69 | 26,628,695 |
September 2025 | $177.78 | $188.19 | $173.99 | $187.30 | 14,493,234 |
August 2025 | $165.34 | $182.42 | $165.07 | $178.51 | 17,557,302 |
July 2025 | $175.47 | $177.77 | $161.81 | $164.53 | 29,448,980 |
June 2025 | $168.77 | $178.42 | $167.34 | $175.74 | 16,264,778 |
May 2025 | $172.57 | $176.09 | $164.81 | $169.58 | 25,094,818 |
April 2025 | $164.48 | $175.28 | $153.79 | $174.36 | 35,005,038 |
March 2025 | $169.05 | $174.14 | $158.69 | $164.73 | 25,594,810 |
February 2025 | $157.56 | $171.78 | $155.78 | $168.33 | 20,149,912 |
January 2025 | $147.22 | $162.66 | $144.77 | $158.79 | 21,041,998 |
December 2024 | $157.40 | $157.87 | $144.42 | $146.16 | 16,153,613 |
November 2024 | $151.06 | $160.17 | $147.32 | $157.59 | 17,802,030 |
October 2024 | $149.24 | $155.93 | $141.61 | $150.00 | 17,966,024 |
September 2024 | $151.36 | $153.63 | $144.14 | $149.67 | 14,764,452 |
August 2024 | $137.72 | $151.68 | $137.72 | $151.33 | 15,897,023 |