Quest Diagnostics Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-16 | 239.67 | 240.75 | 233.56 | 235.00 | 235.00 | 799,540 |
| 2026-10-15 | 235.85 | 239.17 | 235.57 | 239.15 | 239.15 | 1,002,728 |
| 2026-10-14 | 231.32 | 234.97 | 231.32 | 233.43 | 233.43 | 1,201,550 |
| 2026-10-13 | 233.13 | 234.33 | 230.23 | 230.46 | 230.46 | 1,010,231 |
| 2026-10-12 | 228.66 | 234.64 | 228.66 | 232.63 | 232.63 | 865,230 |
| 2026-10-09 | 227.86 | 232.18 | 227.86 | 230.97 | 230.97 | 775,460 |
| 2026-10-08 | 228.16 | 231.08 | 226.36 | 230.81 | 230.81 | 941,876 |
| 2026-10-07 | 228.51 | 229.80 | 226.81 | 227.06 | 227.06 | 927,427 |
| 2026-10-06 | 229.92 | 232.09 | 225.78 | 228.39 | 228.39 | 1,784,071 |
| 2026-10-05 | 232.93 | 233.65 | 229.96 | 232.22 | 231.36 | 1,014,262 |
| 2026-10-02 | 230.58 | 233.48 | 228.83 | 233.33 | 232.47 | 1,100,862 |
| 2026-10-01 | 232.74 | 233.33 | 230.47 | 231.09 | 230.23 | 992,175 |
| 2026-09-30 | 233.33 | 236.97 | 230.84 | 233.07 | 232.21 | 1,093,356 |
| 2026-09-29 | 235.46 | 237.62 | 230.98 | 231.97 | 231.11 | 1,536,906 |
| 2026-09-28 | 234.27 | 238.10 | 233.81 | 237.62 | 236.74 | 1,036,021 |
| 2026-09-25 | 236.37 | 238.25 | 235.48 | 236.32 | 235.44 | 741,726 |
| 2026-09-24 | 234.08 | 237.29 | 233.55 | 236.59 | 235.71 | 926,898 |
| 2026-09-23 | 235.12 | 238.62 | 231.92 | 233.00 | 232.14 | 1,129,646 |
| 2026-09-22 | 228.59 | 237.29 | 227.24 | 234.76 | 233.89 | 2,719,288 |
| 2026-09-21 | 247.13 | 248.84 | 243.93 | 244.88 | 243.97 | 907,605 |
| 2026-09-18 | 246.52 | 247.63 | 244.89 | 246.45 | 245.54 | 1,925,637 |
| 2026-09-17 | 248.28 | 248.70 | 246.26 | 247.45 | 246.53 | 989,497 |
| 2026-09-16 | 245.47 | 248.57 | 244.85 | 247.08 | 246.17 | 948,753 |
| 2026-09-15 | 238.39 | 248.65 | 237.21 | 247.08 | 246.17 | 1,373,615 |
| 2026-09-14 | 237.49 | 239.78 | 234.67 | 237.89 | 237.01 | 974,850 |
| 2026-09-11 | 233.20 | 235.12 | 229.33 | 235.02 | 234.15 | 997,025 |
| 2026-09-10 | 236.32 | 236.48 | 228.57 | 231.14 | 230.28 | 1,090,546 |
| 2026-09-09 | 233.58 | 236.24 | 232.43 | 235.46 | 234.59 | 791,149 |
| 2026-09-08 | 233.61 | 237.56 | 231.52 | 235.50 | 234.63 | 728,935 |
| 2026-09-04 | 235.38 | 238.92 | 235.38 | 237.14 | 236.26 | 798,704 |
| 2026-09-03 | 242.00 | 242.00 | 236.35 | 239.40 | 238.51 | 1,043,291 |
| 2026-09-02 | 238.03 | 242.84 | 236.27 | 240.80 | 239.91 | 1,144,114 |
| 2026-09-01 | 242.72 | 243.72 | 235.63 | 236.22 | 235.35 | 813,392 |
| 2026-08-31 | 241.99 | 242.64 | 239.40 | 240.30 | 239.41 | 1,358,258 |
| 2026-08-28 | 245.17 | 245.28 | 242.27 | 242.76 | 241.86 | 639,937 |
| 2026-08-27 | 242.83 | 247.19 | 242.44 | 244.61 | 243.70 | 839,989 |
| 2026-08-26 | 244.11 | 246.00 | 243.49 | 245.00 | 244.09 | 811,024 |
| 2026-08-25 | 243.93 | 245.78 | 241.79 | 244.51 | 243.60 | 709,151 |
| 2026-08-24 | 243.97 | 246.00 | 242.46 | 243.87 | 242.97 | 837,736 |
| 2026-08-21 | 240.33 | 244.70 | 239.43 | 244.39 | 243.48 | 1,263,229 |
| 2026-08-20 | 239.86 | 245.68 | 237.53 | 241.30 | 240.41 | 1,139,473 |
| 2026-08-19 | 238.10 | 242.39 | 237.38 | 241.76 | 240.86 | 924,012 |
| 2026-08-18 | 238.01 | 239.38 | 236.07 | 236.25 | 235.38 | 693,609 |
| 2026-08-17 | 233.94 | 237.17 | 233.00 | 235.52 | 234.65 | 614,271 |
| 2026-08-14 | 235.82 | 237.70 | 233.69 | 234.40 | 233.53 | 541,802 |
| 2026-08-13 | 239.10 | 240.00 | 235.65 | 236.04 | 235.17 | 549,033 |
| 2026-08-12 | 234.46 | 238.51 | 232.28 | 237.77 | 236.89 | 686,871 |
| 2026-08-11 | 236.35 | 239.92 | 235.51 | 237.50 | 236.62 | 847,026 |
| 2026-08-10 | 236.53 | 239.33 | 235.85 | 237.63 | 236.75 | 856,190 |
| 2026-08-07 | 236.34 | 239.38 | 236.34 | 238.35 | 237.47 | 574,521 |
| 2026-08-06 | 237.66 | 238.88 | 235.32 | 238.50 | 237.62 | 642,223 |
| 2026-08-05 | 234.22 | 236.67 | 232.56 | 235.84 | 234.97 | 674,201 |
| 2026-08-04 | 231.95 | 234.55 | 229.76 | 233.72 | 232.85 | 903,998 |
| 2026-08-03 | 232.84 | 233.44 | 230.54 | 231.95 | 231.09 | 839,251 |
| 2026-07-31 | 234.00 | 235.29 | 232.01 | 233.01 | 232.15 | 872,677 |
| 2026-07-30 | 230.91 | 235.61 | 229.01 | 234.30 | 233.43 | 947,709 |
| 2026-07-29 | 235.11 | 237.84 | 233.00 | 235.22 | 234.35 | 964,462 |
| 2026-07-28 | 235.18 | 240.13 | 233.98 | 235.94 | 235.07 | 1,611,964 |
| 2026-07-27 | 225.95 | 231.95 | 224.97 | 231.84 | 230.98 | 1,143,249 |
| 2026-07-24 | 228.00 | 233.21 | 223.42 | 227.86 | 227.02 | 1,542,112 |
Page 1 of 3 · 126 trading daysOlder →
Stock splits
| Date | Split (new : old) |
|---|---|
| 2005-06-21 | 2:1 |
| 2001-06-01 | 2:1 |
Dividends
| Ex-date | Amount |
|---|---|
| 2026-10-06 | 0.8600 USD |
| 2026-07-08 | 0.8600 USD |
| 2026-04-06 | 0.8600 USD |
| 2026-01-13 | 0.8000 USD |
| 2025-10-03 | 0.8000 USD |
| 2025-07-07 | 0.8000 USD |
| 2025-04-07 | 0.8000 USD |
| 2025-01-14 | 0.7500 USD |
| 2024-10-04 | 0.7500 USD |
| 2024-07-08 | 0.7500 USD |
| 2024-04-05 | 0.7500 USD |
| 2024-01-16 | 0.7100 USD |
| 2023-10-05 | 0.7100 USD |
| 2023-07-10 | 0.7100 USD |
| 2023-04-06 | 0.7100 USD |
| 2023-01-17 | 0.6600 USD |
| 2022-10-03 | 0.6600 USD |
| 2022-07-05 | 0.6600 USD |
| 2022-06-03 | 0.6600 USD |
| 2022-04-05 | 0.6600 USD |
| 2022-01-18 | 0.6200 USD |
| 2021-10-04 | 0.6200 USD |
| 2021-07-06 | 0.6200 USD |
| 2021-04-06 | 0.6200 USD |
| 2021-01-19 | 0.5600 USD |
| 2020-10-05 | 0.5600 USD |
| 2020-07-07 | 0.5600 USD |
| 2020-04-06 | 0.5600 USD |
| 2020-01-13 | 0.5300 USD |
| 2019-10-03 | 0.5300 USD |
| 2019-07-05 | 0.5300 USD |
| 2019-04-05 | 0.5300 USD |
| 2019-01-14 | 0.5300 USD |
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.