Quest Diagnostics Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2011-04-20 | 58.990 | 59.000 | 57.480 | 57.860 | 42.818 | 4,173,712 |
| 2011-04-19 | 58.230 | 59.390 | 58.010 | 58.800 | 43.514 | 2,001,102 |
| 2011-04-18 | 57.910 | 58.270 | 57.330 | 58.260 | 43.114 | 1,366,816 |
| 2011-04-15 | 58.190 | 58.810 | 57.930 | 58.360 | 43.188 | 1,402,100 |
| 2011-04-14 | 57.440 | 57.910 | 57.240 | 57.760 | 42.744 | 1,353,086 |
| 2011-04-13 | 58.000 | 58.000 | 57.490 | 57.590 | 42.618 | 1,138,822 |
| 2011-04-12 | 57.630 | 58.180 | 57.630 | 57.920 | 42.862 | 828,483 |
| 2011-04-11 | 57.950 | 58.420 | 57.600 | 57.780 | 42.759 | 693,658 |
| 2011-04-08 | 58.500 | 58.560 | 57.640 | 57.990 | 42.914 | 934,442 |
| 2011-04-07 | 58.330 | 58.680 | 58.040 | 58.240 | 43.099 | 1,228,410 |
| 2011-04-06 | 58.270 | 58.870 | 58.230 | 58.470 | 43.269 | 1,079,515 |
| 2011-04-05 | 57.700 | 58.330 | 57.420 | 57.980 | 42.907 | 1,265,696 |
| 2011-04-04 | 57.490 | 57.770 | 57.300 | 57.760 | 42.744 | 704,547 |
| 2011-04-01 | 57.720 | 58.000 | 57.390 | 57.440 | 42.507 | 1,197,411 |
| 2011-03-31 | 57.130 | 57.780 | 56.980 | 57.720 | 42.640 | 1,558,432 |
| 2011-03-30 | 57.130 | 57.600 | 56.900 | 57.350 | 42.367 | 1,536,994 |
| 2011-03-29 | 55.930 | 57.155 | 55.590 | 56.960 | 42.079 | 2,941,444 |
| 2011-03-28 | 54.780 | 55.190 | 54.675 | 54.750 | 40.446 | 950,686 |
| 2011-03-25 | 54.650 | 55.020 | 54.385 | 54.790 | 40.476 | 1,183,904 |
| 2011-03-24 | 53.870 | 54.690 | 53.710 | 54.580 | 40.321 | 1,160,793 |
| 2011-03-23 | 53.640 | 54.150 | 53.380 | 53.780 | 39.730 | 841,894 |
| 2011-03-22 | 53.870 | 54.410 | 53.800 | 53.830 | 39.767 | 585,364 |
| 2011-03-21 | 54.380 | 54.380 | 53.560 | 53.740 | 39.700 | 1,183,679 |
| 2011-03-18 | 54.400 | 54.610 | 53.260 | 53.740 | 39.700 | 2,591,934 |
| 2011-03-17 | 54.780 | 54.886 | 54.050 | 54.200 | 40.040 | 981,804 |
| 2011-03-16 | 55.010 | 55.240 | 53.740 | 54.090 | 39.959 | 1,812,714 |
| 2011-03-15 | 55.250 | 55.560 | 54.220 | 55.210 | 40.786 | 2,375,349 |
| 2011-03-14 | 56.900 | 57.030 | 56.020 | 56.250 | 41.554 | 1,314,393 |
| 2011-03-11 | 56.450 | 57.460 | 56.450 | 57.390 | 42.397 | 1,307,468 |
| 2011-03-10 | 57.080 | 57.210 | 56.520 | 56.790 | 41.953 | 1,554,315 |
| 2011-03-09 | 57.170 | 57.690 | 57.145 | 57.440 | 42.434 | 1,227,640 |
| 2011-03-08 | 56.300 | 57.530 | 56.210 | 57.340 | 42.360 | 2,831,553 |
| 2011-03-07 | 56.810 | 57.110 | 56.000 | 56.210 | 41.525 | 1,705,868 |
| 2011-03-04 | 56.420 | 56.920 | 56.090 | 56.690 | 41.880 | 2,613,288 |
| 2011-03-03 | 56.050 | 56.580 | 55.760 | 56.330 | 41.614 | 2,373,615 |
| 2011-03-02 | 56.230 | 56.430 | 55.690 | 56.080 | 41.429 | 1,555,645 |
| 2011-03-01 | 56.820 | 57.030 | 56.160 | 56.320 | 41.606 | 1,455,476 |
| 2011-02-28 | 56.830 | 57.120 | 56.490 | 56.750 | 41.924 | 1,986,886 |
| 2011-02-25 | 56.500 | 56.750 | 56.290 | 56.670 | 41.865 | 2,013,614 |
| 2011-02-24 | 56.430 | 56.810 | 56.060 | 56.380 | 41.651 | 2,146,193 |
| 2011-02-23 | 56.120 | 56.780 | 56.000 | 56.660 | 41.857 | 2,157,915 |
| 2011-02-22 | 56.840 | 57.280 | 56.050 | 56.190 | 41.510 | 970,552 |
| 2011-02-18 | 57.020 | 57.750 | 56.980 | 57.560 | 42.522 | 1,026,479 |
| 2011-02-17 | 56.990 | 57.350 | 56.610 | 57.280 | 42.315 | 926,751 |
| 2011-02-16 | 56.960 | 57.440 | 56.790 | 57.250 | 42.293 | 1,888,512 |
| 2011-02-15 | 57.230 | 57.230 | 56.410 | 56.740 | 41.916 | 2,379,169 |
| 2011-02-14 | 57.460 | 57.460 | 56.570 | 57.260 | 42.301 | 1,358,998 |
| 2011-02-11 | 56.890 | 57.760 | 56.540 | 57.490 | 42.471 | 1,892,883 |
| 2011-02-10 | 57.460 | 57.830 | 56.730 | 56.990 | 42.101 | 2,626,094 |
| 2011-02-09 | 58.350 | 58.350 | 57.360 | 57.560 | 42.522 | 2,129,995 |
| 2011-02-08 | 58.730 | 58.920 | 58.270 | 58.400 | 43.143 | 1,521,621 |
| 2011-02-07 | 58.940 | 59.110 | 58.480 | 58.570 | 43.268 | 1,716,055 |
| 2011-02-04 | 58.320 | 58.990 | 58.030 | 58.970 | 43.564 | 1,854,766 |
| 2011-02-03 | 57.240 | 59.000 | 57.020 | 58.320 | 43.084 | 2,389,440 |
| 2011-02-02 | 56.640 | 57.570 | 56.530 | 57.400 | 42.404 | 3,145,507 |
| 2011-02-01 | 56.960 | 57.780 | 56.850 | 57.000 | 42.109 | 15,908,730 |
| 2011-01-31 | 57.650 | 58.250 | 56.870 | 56.950 | 42.072 | 2,153,569 |
| 2011-01-28 | 58.070 | 58.120 | 57.060 | 57.360 | 42.375 | 1,894,201 |
| 2011-01-27 | 57.710 | 58.240 | 57.650 | 57.980 | 42.833 | 2,453,108 |
| 2011-01-26 | 57.900 | 58.170 | 57.270 | 57.700 | 42.626 | 3,212,834 |
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.