Merck & Co., Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2011-10-12 | 32.250 | 32.770 | 32.150 | 32.570 | 19.192 | 17,136,267 |
| 2011-10-11 | 32.360 | 32.410 | 31.820 | 31.930 | 18.815 | 16,332,975 |
| 2011-10-10 | 32.490 | 32.570 | 32.040 | 32.350 | 19.062 | 15,690,342 |
| 2011-10-07 | 31.910 | 32.280 | 31.570 | 31.610 | 18.626 | 22,922,590 |
| 2011-10-06 | 31.370 | 31.560 | 30.990 | 31.420 | 18.514 | 19,494,058 |
| 2011-10-05 | 31.440 | 31.770 | 31.010 | 31.460 | 18.538 | 26,487,152 |
| 2011-10-04 | 31.270 | 31.440 | 30.540 | 31.350 | 18.473 | 30,077,600 |
| 2011-10-03 | 32.590 | 32.720 | 31.560 | 31.570 | 18.603 | 24,962,941 |
| 2011-09-30 | 32.400 | 33.320 | 32.350 | 32.700 | 19.268 | 25,393,250 |
| 2011-09-29 | 32.350 | 32.820 | 32.220 | 32.660 | 19.245 | 20,233,526 |
| 2011-09-28 | 32.340 | 32.680 | 31.880 | 31.940 | 18.821 | 15,477,598 |
| 2011-09-27 | 32.030 | 32.500 | 31.950 | 32.140 | 18.938 | 15,967,642 |
| 2011-09-26 | 31.270 | 31.690 | 31.010 | 31.610 | 18.626 | 16,230,481 |
| 2011-09-23 | 30.920 | 31.230 | 30.710 | 31.050 | 18.296 | 19,813,593 |
| 2011-09-22 | 31.180 | 31.480 | 30.770 | 31.130 | 18.343 | 24,532,213 |
| 2011-09-21 | 32.670 | 32.910 | 31.820 | 31.850 | 18.768 | 15,321,131 |
| 2011-09-20 | 32.220 | 32.830 | 32.160 | 32.500 | 19.151 | 14,426,454 |
| 2011-09-19 | 32.100 | 32.350 | 31.900 | 32.250 | 19.003 | 13,971,202 |
| 2011-09-16 | 32.680 | 32.800 | 32.440 | 32.680 | 19.257 | 20,506,426 |
| 2011-09-15 | 32.390 | 32.500 | 32.030 | 32.490 | 19.145 | 13,376,567 |
| 2011-09-14 | 31.940 | 32.450 | 31.480 | 32.120 | 18.927 | 16,398,894 |
| 2011-09-13 | 31.560 | 31.910 | 31.450 | 31.740 | 18.703 | 15,363,470 |
| 2011-09-12 | 31.560 | 32.050 | 31.400 | 32.000 | 18.632 | 15,848,590 |
| 2011-09-09 | 32.600 | 32.600 | 31.610 | 31.840 | 18.539 | 29,058,839 |
| 2011-09-08 | 32.760 | 33.190 | 32.650 | 32.780 | 19.086 | 34,980,354 |
| 2011-09-07 | 32.550 | 33.010 | 32.520 | 32.960 | 19.191 | 14,616,351 |
| 2011-09-06 | 31.630 | 32.300 | 31.510 | 32.250 | 18.778 | 18,298,604 |
| 2011-09-02 | 32.670 | 32.760 | 32.300 | 32.370 | 18.847 | 14,013,018 |
| 2011-09-01 | 33.050 | 33.490 | 32.860 | 32.900 | 19.156 | 13,169,063 |
| 2011-08-31 | 32.950 | 33.310 | 32.900 | 33.100 | 19.273 | 15,088,475 |
| 2011-08-30 | 32.300 | 32.900 | 32.100 | 32.700 | 19.040 | 13,414,086 |
| 2011-08-29 | 32.080 | 32.570 | 32.080 | 32.460 | 18.900 | 12,101,046 |
| 2011-08-26 | 31.600 | 32.060 | 30.980 | 31.920 | 18.585 | 19,337,067 |
| 2011-08-25 | 32.250 | 32.250 | 31.710 | 31.860 | 18.551 | 16,844,294 |
| 2011-08-24 | 31.930 | 32.290 | 31.670 | 32.230 | 18.766 | 14,063,217 |
| 2011-08-23 | 31.450 | 32.210 | 31.360 | 31.940 | 18.597 | 23,822,298 |
| 2011-08-22 | 31.690 | 32.000 | 31.190 | 31.310 | 18.230 | 19,959,055 |
| 2011-08-19 | 30.790 | 31.460 | 30.750 | 31.260 | 18.201 | 21,733,634 |
| 2011-08-18 | 31.750 | 31.790 | 30.770 | 31.060 | 18.085 | 24,211,630 |
| 2011-08-17 | 32.380 | 32.540 | 31.870 | 32.200 | 18.749 | 14,691,178 |
| 2011-08-16 | 32.010 | 32.340 | 31.670 | 32.100 | 18.690 | 16,943,016 |
| 2011-08-15 | 31.650 | 32.160 | 31.450 | 32.130 | 18.708 | 19,320,509 |
| 2011-08-12 | 31.390 | 31.920 | 31.200 | 31.340 | 18.248 | 20,668,132 |
| 2011-08-11 | 29.790 | 31.550 | 29.740 | 31.200 | 18.166 | 31,264,774 |
| 2011-08-10 | 30.500 | 30.910 | 29.720 | 29.810 | 17.357 | 35,195,822 |
| 2011-08-09 | 30.400 | 31.240 | 29.470 | 31.220 | 18.178 | 38,925,445 |
| 2011-08-08 | 31.120 | 31.550 | 29.880 | 29.940 | 17.433 | 39,977,218 |
| 2011-08-05 | 31.770 | 32.000 | 30.750 | 31.710 | 18.463 | 31,972,698 |
| 2011-08-04 | 32.240 | 32.320 | 31.440 | 31.510 | 18.347 | 27,442,194 |
| 2011-08-03 | 32.900 | 33.230 | 32.200 | 32.700 | 19.040 | 23,115,002 |
| 2011-08-02 | 33.160 | 33.160 | 32.570 | 32.900 | 19.156 | 27,555,483 |
| 2011-08-01 | 34.250 | 34.290 | 32.800 | 33.440 | 19.471 | 26,725,048 |
| 2011-07-29 | 34.640 | 34.700 | 34.050 | 34.130 | 19.872 | 20,214,348 |
| 2011-07-28 | 35.260 | 35.350 | 34.890 | 34.930 | 20.338 | 14,503,796 |
| 2011-07-27 | 35.590 | 35.760 | 35.110 | 35.190 | 20.489 | 14,979,378 |
| 2011-07-26 | 35.920 | 36.010 | 35.650 | 35.790 | 20.839 | 10,009,762 |
| 2011-07-25 | 35.690 | 36.050 | 35.680 | 35.890 | 20.897 | 12,667,805 |
| 2011-07-22 | 36.290 | 36.460 | 35.940 | 36.090 | 21.013 | 7,946,250 |
| 2011-07-21 | 35.840 | 36.480 | 35.720 | 36.180 | 21.066 | 11,933,576 |
| 2011-07-20 | 35.890 | 35.890 | 35.520 | 35.590 | 20.722 | 8,728,058 |
Stock splits
| Date | Split (new : old) |
|---|
| 2021-06-03 | 1048:1000 |
| 1999-02-17 | 2:1 |
| 1992-05-26 | 3:1 |
Dividends
| Ex-date | Amount |
|---|
| 2026-09-15 | 0.8500 USD |
| 2026-06-15 | 0.8500 USD |
| 2026-03-16 | 0.8500 USD |
| 2025-12-15 | 0.8500 USD |
| 2025-09-15 | 0.8100 USD |
| 2025-06-16 | 0.8100 USD |
| 2025-03-17 | 0.8100 USD |
| 2024-12-16 | 0.8100 USD |
| 2024-09-16 | 0.7700 USD |
| 2024-06-17 | 0.7700 USD |
| 2024-03-14 | 0.7700 USD |
| 2023-12-14 | 0.7700 USD |
| 2023-09-14 | 0.7300 USD |
| 2023-06-14 | 0.7300 USD |
| 2023-03-14 | 0.7300 USD |
| 2022-12-14 | 0.7300 USD |
| 2022-09-14 | 0.6900 USD |
| 2022-06-14 | 0.6900 USD |
| 2022-03-14 | 0.6900 USD |
| 2021-12-14 | 0.6900 USD |
| 2021-09-14 | 0.6500 USD |
| 2021-06-14 | 0.6500 USD |
| 2021-03-12 | 0.6500 USD |
| 2020-12-14 | 0.6500 USD |
| 2020-09-14 | 0.6100 USD |
| 2020-06-12 | 0.6100 USD |
| 2020-03-13 | 0.6100 USD |
| 2019-12-13 | 0.6100 USD |
| 2019-09-13 | 0.5500 USD |
| 2019-06-14 | 0.5500 USD |
| 2019-03-14 | 0.5500 USD |
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.