Quest Diagnostics (DGX) went public on December 17, 1996, when it opened at a split-adjusted price of $2.68.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
August 2025 | $168.24 | $184.97 | $167.96 | $184.40 | 11,848,300 |
July 2025 | $178.55 | $180.89 | $164.65 | $167.41 | 29,448,276 |
June 2025 | $171.73 | $181.56 | $170.28 | $178.82 | 16,264,600 |
May 2025 | $175.59 | $179.18 | $167.70 | $172.56 | 25,094,300 |
April 2025 | $167.37 | $178.35 | $156.49 | $177.41 | 35,004,000 |
March 2025 | $172.01 | $177.19 | $161.47 | $167.61 | 25,594,500 |
February 2025 | $160.32 | $174.79 | $158.51 | $171.28 | 20,149,600 |
January 2025 | $149.80 | $165.51 | $147.31 | $161.57 | 21,041,100 |
December 2024 | $160.16 | $160.64 | $146.95 | $148.72 | 16,152,700 |
November 2024 | $153.71 | $162.97 | $149.90 | $160.35 | 17,801,500 |
October 2024 | $151.86 | $158.67 | $144.10 | $152.63 | 17,965,400 |
September 2024 | $154.01 | $156.32 | $146.67 | $152.29 | 14,764,500 |
August 2024 | $140.14 | $154.34 | $140.14 | $153.98 | 15,897,000 |
July 2024 | $134.18 | $147.72 | $132.99 | $139.59 | 22,667,100 |
June 2024 | $137.50 | $140.35 | $132.18 | $133.55 | 14,134,600 |
May 2024 | $134.95 | $142.08 | $131.97 | $138.52 | 19,395,200 |
April 2024 | $128.77 | $139.00 | $122.37 | $134.82 | 25,310,100 |
March 2024 | $121.26 | $129.43 | $119.97 | $129.14 | 17,777,600 |
February 2024 | $120.35 | $126.83 | $119.37 | $121.16 | 23,193,800 |
January 2024 | $133.30 | $138.61 | $123.50 | $124.60 | 23,277,700 |
December 2023 | $132.55 | $137.03 | $129.38 | $133.06 | 17,241,600 |
November 2023 | $125.62 | $132.52 | $125.53 | $132.43 | 18,264,100 |
October 2023 | $116.34 | $126.91 | $114.74 | $125.55 | 23,235,700 |
September 2023 | $126.67 | $126.79 | $116.80 | $116.92 | 15,542,500 |
August 2023 | $129.89 | $132.16 | $125.63 | $126.17 | 16,049,500 |
