Quest Diagnostics Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2011-07-18 | 57.810 | 58.170 | 57.590 | 58.020 | 43.010 | 1,323,103 |
| 2011-07-15 | 58.090 | 58.330 | 57.480 | 58.060 | 43.040 | 1,299,641 |
| 2011-07-14 | 58.020 | 58.280 | 57.760 | 58.000 | 42.995 | 3,018,898 |
| 2011-07-13 | 58.620 | 58.900 | 58.190 | 58.360 | 43.262 | 1,825,776 |
| 2011-07-12 | 58.410 | 59.140 | 58.410 | 58.520 | 43.381 | 1,341,263 |
| 2011-07-11 | 59.220 | 59.220 | 58.510 | 58.600 | 43.440 | 1,196,054 |
| 2011-07-08 | 60.110 | 60.210 | 59.220 | 59.610 | 44.189 | 908,912 |
| 2011-07-07 | 60.580 | 60.800 | 60.200 | 60.590 | 44.915 | 1,076,366 |
| 2011-07-06 | 59.560 | 60.520 | 59.540 | 60.190 | 44.619 | 1,424,515 |
| 2011-07-05 | 59.680 | 59.830 | 59.290 | 59.670 | 44.233 | 1,163,213 |
| 2011-07-01 | 59.240 | 59.870 | 58.610 | 59.850 | 44.367 | 1,129,667 |
| 2011-06-30 | 58.760 | 59.560 | 58.720 | 59.100 | 43.811 | 1,358,841 |
| 2011-06-29 | 59.420 | 59.490 | 58.400 | 58.510 | 43.299 | 2,156,119 |
| 2011-06-28 | 59.610 | 59.610 | 58.660 | 59.220 | 43.824 | 1,788,871 |
| 2011-06-27 | 59.560 | 59.680 | 59.240 | 59.470 | 44.010 | 886,068 |
| 2011-06-24 | 60.230 | 60.360 | 59.120 | 59.410 | 43.965 | 1,906,338 |
| 2011-06-23 | 60.460 | 60.500 | 59.510 | 60.230 | 44.572 | 1,854,090 |
| 2011-06-22 | 60.790 | 61.210 | 60.650 | 60.830 | 45.016 | 1,737,104 |
| 2011-06-21 | 60.710 | 60.910 | 60.400 | 60.780 | 44.979 | 2,290,903 |
| 2011-06-20 | 60.520 | 61.140 | 60.360 | 60.580 | 44.831 | 2,692,783 |
| 2011-06-17 | 60.510 | 61.000 | 60.340 | 60.560 | 44.816 | 2,527,519 |
| 2011-06-16 | 59.330 | 60.230 | 59.150 | 60.160 | 44.520 | 2,057,484 |
| 2011-06-15 | 59.200 | 59.750 | 58.980 | 59.330 | 43.906 | 1,537,248 |
| 2011-06-14 | 59.340 | 59.750 | 59.300 | 59.550 | 44.069 | 1,110,634 |
| 2011-06-13 | 58.550 | 59.310 | 58.260 | 59.110 | 43.743 | 1,339,263 |
| 2011-06-10 | 58.510 | 58.870 | 58.220 | 58.510 | 43.299 | 1,292,712 |
| 2011-06-09 | 57.990 | 58.950 | 57.950 | 58.600 | 43.366 | 988,599 |
| 2011-06-08 | 57.850 | 58.390 | 57.790 | 58.020 | 42.936 | 1,313,601 |
| 2011-06-07 | 58.060 | 58.200 | 57.950 | 58.000 | 42.922 | 1,736,459 |
| 2011-06-06 | 58.050 | 58.110 | 57.940 | 57.970 | 42.899 | 2,926,419 |
| 2011-06-03 | 57.740 | 58.400 | 57.680 | 58.240 | 43.099 | 2,170,909 |
| 2011-06-02 | 58.240 | 58.556 | 57.930 | 58.300 | 43.144 | 2,046,587 |
| 2011-06-01 | 58.190 | 58.360 | 57.980 | 58.180 | 43.055 | 2,060,239 |
| 2011-05-31 | 58.000 | 58.420 | 57.840 | 58.420 | 43.232 | 2,549,773 |
| 2011-05-27 | 57.200 | 57.640 | 57.140 | 57.630 | 42.648 | 1,175,146 |
| 2011-05-26 | 57.310 | 57.410 | 56.650 | 57.220 | 42.344 | 1,266,920 |
| 2011-05-25 | 57.220 | 57.660 | 57.170 | 57.560 | 42.596 | 1,213,314 |
| 2011-05-24 | 57.750 | 57.860 | 57.470 | 57.470 | 42.529 | 1,321,571 |
| 2011-05-23 | 57.530 | 57.760 | 57.070 | 57.740 | 42.729 | 1,872,212 |
| 2011-05-20 | 57.840 | 58.310 | 57.840 | 58.180 | 43.055 | 1,629,074 |
| 2011-05-19 | 58.500 | 58.550 | 58.050 | 58.420 | 43.232 | 1,486,635 |
| 2011-05-18 | 58.000 | 58.430 | 57.715 | 58.350 | 43.181 | 1,175,238 |
| 2011-05-17 | 57.570 | 57.970 | 57.360 | 57.930 | 42.870 | 1,487,480 |
| 2011-05-16 | 57.150 | 57.750 | 56.940 | 57.650 | 42.663 | 1,457,201 |
| 2011-05-13 | 57.640 | 58.130 | 57.070 | 57.400 | 42.478 | 1,230,094 |
| 2011-05-12 | 56.980 | 57.890 | 56.670 | 57.740 | 42.729 | 1,465,171 |
| 2011-05-11 | 57.000 | 57.200 | 56.640 | 57.010 | 42.189 | 885,575 |
| 2011-05-10 | 56.990 | 57.370 | 56.380 | 57.000 | 42.182 | 945,338 |
| 2011-05-09 | 56.630 | 56.890 | 55.900 | 56.780 | 42.019 | 906,818 |
| 2011-05-06 | 56.390 | 57.000 | 56.230 | 56.740 | 41.989 | 1,745,095 |
| 2011-05-05 | 55.770 | 56.280 | 55.630 | 56.050 | 41.479 | 1,471,979 |
| 2011-05-04 | 55.770 | 56.380 | 55.680 | 56.050 | 41.479 | 1,186,770 |
| 2011-05-03 | 56.310 | 56.370 | 55.670 | 55.790 | 41.286 | 1,146,755 |
| 2011-05-02 | 56.440 | 57.160 | 56.350 | 56.490 | 41.804 | 1,181,388 |
| 2011-04-29 | 55.970 | 56.440 | 55.730 | 56.380 | 41.723 | 1,485,529 |
| 2011-04-28 | 55.820 | 56.030 | 55.690 | 55.970 | 41.419 | 1,000,120 |
| 2011-04-27 | 55.610 | 56.320 | 55.550 | 55.820 | 41.308 | 1,483,129 |
| 2011-04-26 | 55.640 | 55.950 | 55.370 | 55.560 | 41.116 | 2,109,918 |
| 2011-04-25 | 55.320 | 56.080 | 55.270 | 55.590 | 41.138 | 1,531,782 |
| 2011-04-21 | 58.170 | 58.560 | 56.490 | 56.550 | 41.849 | 2,362,405 |
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.