Merck & Co., Inc. (MRK)
NYSE: MRK · Real-Time Price · USD
150.28
+3.95 (2.70%)
Oct 30, 2026, 2:12 PM EDT - Market open
Merck & Co. Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 30, 2026 | 149.55 | 151.35 | 147.40 | 150.28 | 150.28 | 2.70% | 5,983,792 |
| Oct 29, 2026 | 144.62 | 149.26 | 143.32 | 146.33 | 146.33 | 3.83% | 13,447,648 |
| Oct 28, 2026 | 140.00 | 142.40 | 139.21 | 140.93 | 140.93 | -0.63% | 8,239,673 |
| Oct 27, 2026 | 140.22 | 142.69 | 139.83 | 141.82 | 141.82 | 0.86% | 9,058,027 |
| Oct 26, 2026 | 145.89 | 146.61 | 139.93 | 140.61 | 140.61 | -3.21% | 13,103,796 |
| Oct 23, 2026 | 145.02 | 145.44 | 143.41 | 145.27 | 145.27 | -1.34% | 8,381,399 |
| Oct 22, 2026 | 151.05 | 154.02 | 144.07 | 147.24 | 147.24 | -1.76% | 19,030,262 |
| Oct 21, 2026 | 147.11 | 150.00 | 147.11 | 149.88 | 149.88 | 1.07% | 9,008,233 |
| Oct 20, 2026 | 146.29 | 149.36 | 146.12 | 148.30 | 148.30 | 3.25% | 9,923,562 |
| Oct 19, 2026 | 145.00 | 147.41 | 143.53 | 143.63 | 143.63 | -1.59% | 10,449,088 |
| Oct 16, 2026 | 146.96 | 147.80 | 145.61 | 145.95 | 145.95 | 0.52% | 11,095,252 |
| Oct 15, 2026 | 149.70 | 152.34 | 144.91 | 145.19 | 145.19 | -1.48% | 13,821,134 |
| Oct 14, 2026 | 143.10 | 148.16 | 142.66 | 147.37 | 147.37 | 3.80% | 9,772,449 |
| Oct 13, 2026 | 145.85 | 145.93 | 141.58 | 141.98 | 141.98 | -2.39% | 8,157,707 |
| Oct 12, 2026 | 145.75 | 146.36 | 144.64 | 145.45 | 145.45 | -0.10% | 6,615,284 |
| Oct 9, 2026 | 141.37 | 146.68 | 141.36 | 145.60 | 145.60 | 2.26% | 7,989,538 |
| Oct 8, 2026 | 141.90 | 142.77 | 138.89 | 142.38 | 142.38 | -0.29% | 7,794,875 |
| Oct 7, 2026 | 142.03 | 144.15 | 141.49 | 142.79 | 142.79 | 0.60% | 6,347,632 |
| Oct 6, 2026 | 140.13 | 142.16 | 139.74 | 141.94 | 141.94 | 1.72% | 8,056,353 |
| Oct 5, 2026 | 143.67 | 144.06 | 138.80 | 139.54 | 139.54 | -3.30% | 9,473,247 |
| Oct 2, 2026 | 143.77 | 144.35 | 142.73 | 144.30 | 144.30 | 0.34% | 9,097,440 |
| Oct 1, 2026 | 144.71 | 145.39 | 143.26 | 143.81 | 143.81 | -1.03% | 7,852,149 |
| Sep 30, 2026 | 148.95 | 149.27 | 145.26 | 145.31 | 145.31 | -2.66% | 10,179,499 |
| Sep 29, 2026 | 148.17 | 150.36 | 146.09 | 149.28 | 149.28 | 0.40% | 7,261,630 |
| Sep 28, 2026 | 147.65 | 149.19 | 146.28 | 148.69 | 148.69 | -0.06% | 7,522,287 |
| Sep 25, 2026 | 148.06 | 149.98 | 147.48 | 148.78 | 148.78 | 0.54% | 7,770,529 |
| Sep 24, 2026 | 148.17 | 151.46 | 147.90 | 147.98 | 147.98 | -0.07% | 10,298,935 |
| Sep 23, 2026 | 151.32 | 152.01 | 146.89 | 148.08 | 148.08 | -1.88% | 9,468,088 |
| Sep 22, 2026 | 148.69 | 153.57 | 148.04 | 150.91 | 150.91 | 0.94% | 11,004,819 |
| Sep 21, 2026 | 146.79 | 150.49 | 145.60 | 149.50 | 149.50 | 1.79% | 7,438,085 |
| Sep 18, 2026 | 147.08 | 147.84 | 145.74 | 146.87 | 146.87 | -0.19% | 30,182,829 |
| Sep 17, 2026 | 145.74 | 147.65 | 145.32 | 147.15 | 147.15 | 1.55% | 9,542,015 |
| Sep 16, 2026 | 143.96 | 144.97 | 143.50 | 144.91 | 144.91 | 0.78% | 7,157,106 |
| Sep 15, 2026 | 143.85 | 144.15 | 142.32 | 143.79 | 143.79 | -0.15% | 7,780,306 |
| Sep 14, 2026 | 146.42 | 147.09 | 144.10 | 144.85 | 144.00 | 0.64% | 7,377,522 |
| Sep 11, 2026 | 145.52 | 145.90 | 143.68 | 143.93 | 143.09 | -0.54% | 8,679,443 |
| Sep 10, 2026 | 147.94 | 148.00 | 144.10 | 144.71 | 143.86 | -1.91% | 7,544,530 |
| Sep 9, 2026 | 148.96 | 149.41 | 147.18 | 147.53 | 146.66 | -0.63% | 8,546,447 |
| Sep 8, 2026 | 148.41 | 149.60 | 146.28 | 148.46 | 147.59 | -1.24% | 11,187,297 |
| Sep 4, 2026 | 150.83 | 152.22 | 150.09 | 150.33 | 149.45 | -1.32% | 4,397,467 |
| Sep 3, 2026 | 152.80 | 152.80 | 148.90 | 152.34 | 151.45 | 0.46% | 6,498,969 |
| Sep 2, 2026 | 151.50 | 152.69 | 149.97 | 151.64 | 150.75 | 1.19% | 8,970,603 |
| Sep 1, 2026 | 150.23 | 151.68 | 148.55 | 149.86 | 148.98 | 1.42% | 9,866,566 |
| Aug 31, 2026 | 147.00 | 148.69 | 145.95 | 147.76 | 146.89 | -0.40% | 11,126,604 |
| Aug 28, 2026 | 146.72 | 149.01 | 145.75 | 148.35 | 147.48 | -0.80% | 8,067,848 |
| Aug 27, 2026 | 149.53 | 152.08 | 149.02 | 149.54 | 148.66 | -2.33% | 8,530,989 |
| Aug 26, 2026 | 154.35 | 155.19 | 152.61 | 153.10 | 152.20 | -2.14% | 8,634,975 |
| Aug 25, 2026 | 151.00 | 156.92 | 150.66 | 156.45 | 155.53 | 3.84% | 14,005,080 |
| Aug 24, 2026 | 150.72 | 151.52 | 149.14 | 150.66 | 149.78 | -1.24% | 15,032,010 |
| Aug 21, 2026 | 149.12 | 154.49 | 148.59 | 152.55 | 151.65 | 2.39% | 15,976,212 |