Quest Diagnostics Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-23 | 231.86 | 244.55 | 231.86 | 241.82 | 241.82 | 40 |
| 2026-10-15 | 237.00 | 238.73 | 235.85 | 236.77 | 236.77 | 68 |
| 2026-10-14 | 227.06 | 234.51 | 227.06 | 234.51 | 234.51 | 65 |
| 2026-10-13 | 232.50 | 237.56 | 231.06 | 233.28 | 233.28 | 28 |
| 2026-10-12 | 233.64 | 233.94 | 229.61 | 233.29 | 233.29 | 9 |
| 2026-10-09 | 229.75 | 232.63 | 228.50 | 231.06 | 231.06 | 5 |
| 2026-10-08 | 224.80 | 231.86 | 224.80 | 229.21 | 229.21 | 104 |
| 2026-10-07 | 223.61 | 231.11 | 223.61 | 228.95 | 228.95 | 60 |
| 2026-10-06 | 232.95 | 232.95 | 226.10 | 227.78 | 227.78 | 229 |
| 2026-10-05 | 232.00 | 234.50 | 230.09 | 232.25 | 232.25 | 78 |
| 2026-10-02 | 231.09 | 231.43 | 228.93 | 231.43 | 230.57 | 71 |
| 2026-10-01 | 231.70 | 234.34 | 230.53 | 231.18 | 230.32 | 167 |
| 2026-09-30 | 234.26 | 238.75 | 229.65 | 236.61 | 235.73 | 7 |
| 2026-09-29 | 237.98 | 239.00 | 232.98 | 234.13 | 233.26 | 259 |
| 2026-09-28 | 235.80 | 242.54 | 232.67 | 236.62 | 235.74 | 48 |
| 2026-09-25 | 238.60 | 238.67 | 235.44 | 237.41 | 236.53 | 65 |
| 2026-09-24 | 233.00 | 237.48 | 232.78 | 236.01 | 235.13 | 107 |
| 2026-09-23 | 238.00 | 238.26 | 232.03 | 233.53 | 232.66 | 129 |
| 2026-09-22 | 237.01 | 237.01 | 225.00 | 236.15 | 235.27 | 441 |
| 2026-09-21 | 247.13 | 249.00 | 245.22 | 245.38 | 244.47 | 134 |
| 2026-09-18 | 244.90 | 248.79 | 244.90 | 246.65 | 245.73 | 291 |
| 2026-09-17 | 249.77 | 256.06 | 242.51 | 248.05 | 247.13 | 86 |
| 2026-09-16 | 247.00 | 248.52 | 243.30 | 246.88 | 245.96 | 288 |
| 2026-09-15 | 234.22 | 248.19 | 234.22 | 247.24 | 246.32 | 571 |
| 2026-09-14 | 239.60 | 239.60 | 233.10 | 235.61 | 234.73 | 36 |
| 2026-09-11 | 230.01 | 235.00 | 227.59 | 231.20 | 230.34 | 187 |
| 2026-09-10 | 238.64 | 238.64 | 228.99 | 229.53 | 228.68 | 282 |
| 2026-09-09 | 231.00 | 237.77 | 231.00 | 233.31 | 232.44 | 68 |
| 2026-09-08 | 241.72 | 241.72 | 230.01 | 236.98 | 236.10 | 339 |
| 2026-09-04 | 236.36 | 240.33 | 235.44 | 238.29 | 237.40 | 622 |
| 2026-09-03 | 241.68 | 243.88 | 236.79 | 236.79 | 235.91 | 16 |
| 2026-09-02 | 231.76 | 243.01 | 231.76 | 241.41 | 240.51 | 259 |
| 2026-09-01 | 238.49 | 243.76 | 237.78 | 237.79 | 236.91 | 132 |
| 2026-08-28 | 244.55 | 252.71 | 243.05 | 243.50 | 242.60 | 79 |
| 2026-08-27 | 235.90 | 247.12 | 235.90 | 246.72 | 245.80 | 112 |
| 2026-08-26 | 245.63 | 246.00 | 240.00 | 244.75 | 243.84 | 11 |
| 2026-08-25 | 244.91 | 244.91 | 239.58 | 243.72 | 242.81 | 29 |
| 2026-08-24 | 244.40 | 251.89 | 237.43 | 242.56 | 241.66 | 62 |
| 2026-08-21 | 248.42 | 248.42 | 237.12 | 244.51 | 243.60 | 18 |
| 2026-08-20 | 233.00 | 245.47 | 233.00 | 243.75 | 242.84 | 46 |
| 2026-08-19 | 234.15 | 242.76 | 225.00 | 241.05 | 240.15 | 432 |
| 2026-08-18 | 238.19 | 239.17 | 237.03 | 237.15 | 236.27 | 28 |
| 2026-08-17 | 235.52 | 236.97 | 231.00 | 236.56 | 235.68 | 14 |
| 2026-08-14 | 237.22 | 237.97 | 234.72 | 235.60 | 234.72 | 126 |
| 2026-08-13 | 236.00 | 241.13 | 235.76 | 236.26 | 235.38 | 27 |
| 2026-08-12 | 233.04 | 237.45 | 233.01 | 236.87 | 235.99 | 135 |
| 2026-08-11 | 238.79 | 240.40 | 236.35 | 238.13 | 237.25 | 26 |
| 2026-08-10 | 245.12 | 245.12 | 234.12 | 236.86 | 235.98 | 485 |
| 2026-08-07 | 240.78 | 240.78 | 237.36 | 238.16 | 237.28 | 31 |
| 2026-08-06 | 236.99 | 239.17 | 235.45 | 237.05 | 236.17 | 133 |
| 2026-08-05 | 236.45 | 237.98 | 232.60 | 235.65 | 234.77 | 151 |
| 2026-08-04 | 228.94 | 233.59 | 228.53 | 233.31 | 232.44 | 26 |
| 2026-08-03 | 225.93 | 237.65 | 225.93 | 232.18 | 231.32 | 10 |
| 2026-07-31 | 229.00 | 235.95 | 229.00 | 235.05 | 234.18 | 97 |
| 2026-07-30 | 230.05 | 235.59 | 229.01 | 234.85 | 233.98 | 136 |
| 2026-07-29 | 239.85 | 239.85 | 231.46 | 235.72 | 234.84 | 29 |
| 2026-07-28 | 229.84 | 239.78 | 229.84 | 235.05 | 234.18 | 43 |
| 2026-07-27 | 230.57 | 231.59 | 224.52 | 230.38 | 229.52 | 218 |
| 2026-07-24 | 227.00 | 232.90 | 223.91 | 231.99 | 231.13 | 147 |
| 2026-07-23 | 215.70 | 237.00 | 215.70 | 221.69 | 220.87 | 2,108 |
Page 1 of 18 · 1,069 trading daysOlder →
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-10-05 | 0.8600 USD |
| 2026-07-07 | 0.8600 USD |
| 2026-04-02 | 0.8600 USD |
| 2026-01-13 | 0.8000 USD |
| 2025-10-02 | 0.8000 USD |
| 2025-07-04 | 0.8000 USD |
| 2025-04-04 | 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 |
| 2022-04-05 | 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.