Quest Diagnostics Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2010-05-10 | 55.620 | 56.460 | 54.550 | 54.930 | 40.343 | 3,339,359 |
| 2010-05-07 | 55.020 | 55.170 | 54.060 | 54.500 | 40.028 | 2,935,851 |
| 2010-05-06 | 56.450 | 56.950 | 40.800 | 55.070 | 40.446 | 3,175,350 |
| 2010-05-05 | 55.650 | 56.800 | 55.510 | 56.590 | 41.563 | 2,829,295 |
| 2010-05-04 | 56.350 | 56.500 | 55.510 | 55.980 | 41.115 | 2,269,650 |
| 2010-05-03 | 57.410 | 57.580 | 56.500 | 56.740 | 41.673 | 2,431,492 |
| 2010-04-30 | 57.170 | 57.720 | 56.900 | 57.160 | 41.981 | 2,562,246 |
| 2010-04-29 | 57.110 | 57.500 | 56.900 | 57.250 | 42.047 | 1,768,915 |
| 2010-04-28 | 56.610 | 56.900 | 55.940 | 56.690 | 41.636 | 1,671,080 |
| 2010-04-27 | 57.170 | 57.600 | 56.300 | 56.350 | 41.386 | 1,575,446 |
| 2010-04-26 | 57.770 | 58.120 | 57.330 | 57.400 | 42.157 | 1,397,963 |
| 2010-04-23 | 57.900 | 58.110 | 57.440 | 57.830 | 42.473 | 1,923,065 |
| 2010-04-22 | 58.040 | 58.350 | 57.700 | 58.020 | 42.613 | 1,466,268 |
| 2010-04-21 | 58.470 | 59.570 | 57.660 | 58.030 | 42.620 | 4,692,648 |
| 2010-04-20 | 60.190 | 60.280 | 59.490 | 59.600 | 43.773 | 1,728,619 |
| 2010-04-19 | 58.090 | 60.220 | 58.040 | 59.860 | 43.964 | 3,859,467 |
| 2010-04-16 | 59.170 | 59.490 | 58.210 | 58.260 | 42.789 | 1,965,215 |
| 2010-04-15 | 58.190 | 59.410 | 58.030 | 59.250 | 43.516 | 1,857,714 |
| 2010-04-14 | 58.200 | 58.250 | 57.880 | 58.190 | 42.738 | 995,010 |
| 2010-04-13 | 58.060 | 58.410 | 57.490 | 58.250 | 42.782 | 1,384,665 |
| 2010-04-12 | 58.250 | 58.300 | 57.970 | 58.100 | 42.672 | 1,139,316 |
| 2010-04-09 | 58.040 | 58.180 | 57.840 | 58.150 | 42.708 | 1,250,808 |
| 2010-04-08 | 58.190 | 58.190 | 57.800 | 58.010 | 42.605 | 1,257,919 |
| 2010-04-07 | 58.180 | 58.340 | 57.970 | 58.210 | 42.752 | 1,239,552 |
| 2010-04-06 | 58.690 | 58.780 | 58.230 | 58.400 | 42.892 | 1,137,323 |
| 2010-04-05 | 59.300 | 59.300 | 58.570 | 58.900 | 43.259 | 811,861 |
| 2010-04-01 | 58.320 | 59.100 | 58.320 | 59.070 | 43.384 | 1,110,697 |
| 2010-03-31 | 58.290 | 58.630 | 58.095 | 58.290 | 42.738 | 886,994 |
| 2010-03-30 | 58.620 | 58.800 | 58.300 | 58.640 | 42.994 | 624,154 |
| 2010-03-29 | 57.990 | 58.630 | 57.990 | 58.490 | 42.884 | 698,738 |
| 2010-03-26 | 57.980 | 58.200 | 57.890 | 57.890 | 42.444 | 1,278,923 |
| 2010-03-25 | 57.830 | 58.150 | 57.540 | 57.950 | 42.488 | 1,482,569 |
| 2010-03-24 | 57.260 | 57.650 | 57.170 | 57.450 | 42.122 | 1,507,915 |
| 2010-03-23 | 57.750 | 57.750 | 56.840 | 57.280 | 41.997 | 1,492,763 |
| 2010-03-22 | 57.270 | 58.280 | 56.110 | 57.950 | 42.488 | 1,419,735 |
| 2010-03-19 | 57.350 | 57.640 | 56.950 | 57.300 | 42.012 | 2,574,335 |
| 2010-03-18 | 57.600 | 57.960 | 57.290 | 57.690 | 42.298 | 923,941 |
| 2010-03-17 | 56.880 | 57.740 | 56.880 | 57.490 | 42.151 | 1,294,623 |
| 2010-03-16 | 56.430 | 57.040 | 56.370 | 56.950 | 41.755 | 1,368,474 |
| 2010-03-15 | 55.940 | 56.320 | 55.690 | 56.320 | 41.293 | 1,433,224 |
| 2010-03-12 | 56.070 | 56.285 | 55.860 | 55.970 | 41.037 | 1,041,294 |
| 2010-03-11 | 55.590 | 55.980 | 55.480 | 55.930 | 41.007 | 1,191,430 |
| 2010-03-10 | 55.470 | 56.000 | 55.470 | 55.750 | 40.875 | 1,522,524 |
| 2010-03-09 | 55.670 | 55.910 | 55.620 | 55.720 | 40.853 | 776,345 |
| 2010-03-08 | 55.990 | 56.193 | 55.830 | 55.930 | 41.007 | 1,092,633 |
| 2010-03-05 | 56.030 | 56.320 | 55.820 | 56.190 | 41.198 | 1,103,830 |
| 2010-03-04 | 56.120 | 56.230 | 55.540 | 55.950 | 41.022 | 1,422,656 |
| 2010-03-03 | 56.670 | 56.820 | 55.770 | 55.830 | 40.934 | 3,129,037 |
| 2010-03-02 | 56.950 | 57.200 | 56.590 | 56.650 | 41.535 | 1,524,493 |
| 2010-03-01 | 56.780 | 57.470 | 56.700 | 56.840 | 41.675 | 1,246,612 |
| 2010-02-26 | 56.830 | 57.080 | 56.450 | 56.750 | 41.609 | 1,005,333 |
| 2010-02-25 | 56.500 | 56.760 | 56.180 | 56.690 | 41.565 | 1,264,896 |
| 2010-02-24 | 56.730 | 57.040 | 56.460 | 56.820 | 41.660 | 898,746 |
| 2010-02-23 | 57.110 | 57.260 | 56.565 | 56.700 | 41.572 | 1,260,191 |
| 2010-02-22 | 57.490 | 57.930 | 57.260 | 57.370 | 42.063 | 1,156,921 |
| 2010-02-19 | 57.510 | 57.600 | 56.990 | 57.500 | 42.158 | 1,425,978 |
| 2010-02-18 | 57.330 | 57.960 | 57.160 | 57.700 | 42.305 | 859,468 |
| 2010-02-17 | 56.860 | 57.720 | 56.840 | 57.390 | 42.078 | 1,037,254 |
| 2010-02-16 | 56.290 | 56.700 | 55.790 | 56.690 | 41.565 | 1,390,718 |
| 2010-02-12 | 55.400 | 56.160 | 55.160 | 56.070 | 41.110 | 1,026,405 |
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.