Quest Diagnostics Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2010-08-04 | 47.400 | 48.420 | 47.390 | 48.280 | 35.531 | 1,479,334 |
| 2010-08-03 | 47.820 | 48.280 | 47.400 | 47.470 | 34.935 | 2,261,957 |
| 2010-08-02 | 47.510 | 48.200 | 47.180 | 48.120 | 35.413 | 1,805,090 |
| 2010-07-30 | 45.900 | 47.120 | 45.900 | 46.990 | 34.581 | 2,125,204 |
| 2010-07-29 | 46.700 | 47.230 | 46.040 | 46.310 | 34.081 | 2,244,641 |
| 2010-07-28 | 46.010 | 46.655 | 45.690 | 46.440 | 34.177 | 3,120,426 |
| 2010-07-27 | 46.010 | 46.540 | 45.570 | 46.170 | 33.978 | 2,881,320 |
| 2010-07-26 | 44.970 | 45.720 | 44.790 | 45.650 | 33.595 | 1,982,500 |
| 2010-07-23 | 44.540 | 45.140 | 44.380 | 44.710 | 32.903 | 3,060,716 |
| 2010-07-22 | 47.110 | 47.110 | 43.950 | 44.560 | 32.793 | 5,840,320 |
| 2010-07-21 | 46.420 | 47.840 | 46.026 | 46.700 | 34.368 | 5,390,999 |
| 2010-07-20 | 49.050 | 49.990 | 48.800 | 49.950 | 36.760 | 1,579,117 |
| 2010-07-19 | 49.480 | 49.870 | 49.010 | 49.420 | 36.370 | 1,157,692 |
| 2010-07-16 | 50.510 | 50.510 | 49.107 | 49.290 | 36.274 | 903,205 |
| 2010-07-15 | 50.520 | 51.110 | 50.140 | 50.700 | 37.312 | 766,892 |
| 2010-07-14 | 50.350 | 50.880 | 50.020 | 50.600 | 37.238 | 849,526 |
| 2010-07-13 | 49.730 | 50.570 | 49.460 | 50.510 | 37.172 | 1,147,034 |
| 2010-07-12 | 49.630 | 49.900 | 49.240 | 49.470 | 36.406 | 1,245,745 |
| 2010-07-09 | 49.930 | 49.940 | 49.390 | 49.730 | 36.598 | 931,932 |
| 2010-07-08 | 49.950 | 50.270 | 49.670 | 49.880 | 36.708 | 957,611 |
| 2010-07-07 | 49.060 | 49.820 | 48.740 | 49.770 | 36.627 | 1,478,728 |
| 2010-07-06 | 49.700 | 49.700 | 48.640 | 48.910 | 35.994 | 1,270,736 |
| 2010-07-02 | 49.470 | 49.523 | 48.880 | 49.200 | 36.208 | 1,121,384 |
| 2010-07-01 | 49.490 | 49.490 | 48.530 | 49.310 | 36.289 | 1,863,068 |
| 2010-06-30 | 49.890 | 50.340 | 49.680 | 49.770 | 36.554 | 1,391,186 |
| 2010-06-29 | 50.480 | 50.637 | 49.880 | 50.050 | 36.759 | 1,764,691 |
| 2010-06-28 | 50.910 | 51.460 | 50.610 | 51.080 | 37.516 | 1,030,608 |
| 2010-06-25 | 50.380 | 51.280 | 50.360 | 50.740 | 37.266 | 2,331,597 |
| 2010-06-24 | 51.350 | 51.735 | 50.430 | 50.580 | 37.149 | 1,555,974 |
| 2010-06-23 | 52.100 | 52.200 | 51.420 | 51.590 | 37.890 | 1,270,328 |
| 2010-06-22 | 53.120 | 53.410 | 52.090 | 52.140 | 38.294 | 1,397,736 |
| 2010-06-21 | 53.430 | 53.450 | 52.780 | 53.090 | 38.992 | 1,427,943 |
| 2010-06-18 | 53.630 | 53.630 | 53.010 | 53.090 | 38.992 | 1,114,394 |
| 2010-06-17 | 53.850 | 53.980 | 53.120 | 53.420 | 39.234 | 1,231,740 |
| 2010-06-16 | 53.260 | 53.860 | 53.260 | 53.650 | 39.403 | 1,533,892 |
| 2010-06-15 | 53.250 | 53.740 | 53.180 | 53.690 | 39.433 | 1,346,350 |
| 2010-06-14 | 53.040 | 53.250 | 52.880 | 52.910 | 38.860 | 1,187,665 |
| 2010-06-11 | 52.250 | 52.860 | 52.150 | 52.770 | 38.757 | 1,244,116 |
| 2010-06-10 | 52.440 | 52.750 | 52.320 | 52.580 | 38.617 | 1,408,935 |
| 2010-06-09 | 52.130 | 52.510 | 51.710 | 51.830 | 38.067 | 1,351,247 |
| 2010-06-08 | 51.840 | 52.250 | 51.210 | 51.820 | 38.059 | 1,361,338 |
| 2010-06-07 | 51.860 | 52.560 | 51.530 | 51.810 | 38.052 | 1,566,198 |
| 2010-06-04 | 51.890 | 52.610 | 51.320 | 51.530 | 37.846 | 1,464,696 |
| 2010-06-03 | 52.620 | 53.120 | 52.590 | 52.930 | 38.874 | 1,349,257 |
| 2010-06-02 | 51.620 | 52.550 | 51.580 | 52.540 | 38.588 | 1,231,888 |
| 2010-06-01 | 52.320 | 52.320 | 51.540 | 51.540 | 37.854 | 1,782,728 |
| 2010-05-28 | 52.900 | 53.000 | 52.380 | 52.750 | 38.742 | 1,927,010 |
| 2010-05-27 | 52.390 | 52.870 | 52.100 | 52.870 | 38.830 | 1,399,156 |
| 2010-05-26 | 51.660 | 52.190 | 51.590 | 51.740 | 38.000 | 1,743,049 |
| 2010-05-25 | 50.890 | 51.510 | 50.880 | 51.480 | 37.810 | 2,196,779 |
| 2010-05-24 | 52.010 | 52.650 | 51.790 | 51.840 | 38.074 | 2,431,299 |
| 2010-05-21 | 51.580 | 52.540 | 51.560 | 52.250 | 38.375 | 2,673,391 |
| 2010-05-20 | 53.600 | 53.600 | 52.210 | 52.210 | 38.346 | 2,201,670 |
| 2010-05-19 | 54.060 | 54.590 | 53.940 | 54.290 | 39.873 | 1,118,209 |
| 2010-05-18 | 54.840 | 55.300 | 54.270 | 54.300 | 39.881 | 1,082,519 |
| 2010-05-17 | 55.280 | 55.280 | 54.210 | 54.660 | 40.145 | 1,850,217 |
| 2010-05-14 | 54.890 | 55.040 | 54.170 | 54.970 | 40.373 | 1,667,147 |
| 2010-05-13 | 55.260 | 55.770 | 54.920 | 55.250 | 40.578 | 1,369,642 |
| 2010-05-12 | 54.950 | 55.480 | 54.640 | 55.390 | 40.681 | 1,393,040 |
| 2010-05-11 | 54.520 | 55.390 | 54.040 | 54.890 | 40.314 | 2,205,656 |
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.