Merck & Co., Inc. (MRK)
NYSE: MRK · Real-Time Price · USD
108.83
-2.14 (-1.93%)
At close: Jan 16, 2026, 4:00 PM EST
109.18
+0.35 (0.32%)
After-hours: Jan 16, 2026, 7:59 PM EST

Merck & Co. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jan 16, 2026110.72110.73108.43108.83108.83-1.93%14,711,293
Jan 15, 2026110.62111.58108.45110.97110.97-0.04%11,582,601
Jan 14, 2026108.97111.23107.95111.01111.012.54%11,924,558
Jan 13, 2026109.05109.31107.22108.26108.26-0.85%9,313,864
Jan 12, 2026110.97111.46108.78109.19109.19-1.21%10,668,591
Jan 9, 2026110.87112.48110.22110.53110.53-0.41%10,900,635
Jan 8, 2026110.61112.90109.25110.99110.992.20%20,250,226
Jan 7, 2026109.51111.46107.95108.60108.60-0.25%16,250,335
Jan 6, 2026107.68110.17107.68108.87108.871.33%14,420,939
Jan 5, 2026107.01108.44105.80107.44107.440.93%15,829,253
Jan 2, 2026105.53106.63104.43106.45106.451.13%9,980,893
Dec 31, 2025105.94106.10104.99105.26105.26-0.75%7,421,146
Dec 30, 2025106.73106.88105.64106.06106.06-0.53%6,486,009
Dec 29, 2025106.85107.59106.43106.62106.62-0.15%7,726,804
Dec 26, 2025106.45107.05106.03106.78106.780.31%6,210,420
Dec 24, 2025105.37106.95105.28106.45106.451.34%5,072,602
Dec 23, 2025104.56105.39104.33105.04105.040.31%13,068,659
Dec 22, 2025100.63104.95100.40104.72104.723.59%16,876,993
Dec 19, 2025100.60102.20100.11101.09101.090.40%43,148,867
Dec 18, 202599.27101.3798.86100.69100.691.52%14,311,743
Dec 17, 202598.18100.1498.0699.1899.180.93%13,180,992
Dec 16, 2025100.30100.3496.7998.2798.27-1.98%16,663,614
Dec 15, 202599.99100.9498.00100.26100.26-0.04%16,735,873
Dec 12, 202598.96100.6698.32100.3099.451.30%11,810,788
Dec 11, 202598.4499.1497.5899.0198.171.42%11,808,178
Dec 10, 202598.0598.1796.4797.6296.790.75%18,077,712
Dec 9, 202599.3299.8596.0696.8996.07-2.06%16,283,945
Dec 8, 202599.3899.6797.8198.9398.09-0.79%12,902,587
Dec 5, 2025101.40102.0999.1999.7298.87-1.16%16,430,388
Dec 4, 2025102.10102.60100.54100.89100.04-1.35%12,770,712
Dec 3, 2025101.90103.09101.52102.27101.401.23%12,541,641
Dec 2, 2025101.53101.80100.31101.03100.17-0.79%11,794,980
Dec 1, 2025104.72105.68101.71101.83100.97-2.86%14,178,308
Nov 28, 2025104.84105.41104.12104.83103.940.19%6,154,508
Nov 26, 2025104.60105.75104.20104.63103.74-0.97%12,624,017
Nov 25, 2025100.73105.84100.71105.66104.765.24%22,225,531
Nov 24, 202599.12102.3699.12100.4099.552.70%28,320,935
Nov 21, 202595.48100.2795.3697.7696.932.94%23,183,284
Nov 20, 202594.9796.0093.9094.9794.17-0.08%12,554,217
Nov 19, 202596.0097.1494.0995.0594.24-1.43%14,641,308
Nov 18, 202594.1197.6692.1196.4395.613.84%28,153,549
Nov 17, 202593.2394.7592.6892.8692.07-0.06%14,345,822
Nov 14, 202592.2095.0891.4992.9292.13-0.01%19,632,021
Nov 13, 202591.3194.2690.9092.9392.141.62%16,086,082
Nov 12, 202591.4192.9191.1691.4590.680.55%13,218,933
Nov 11, 202587.3591.0787.2690.9590.184.84%15,436,039
Nov 10, 202586.6987.3785.8086.7586.010.54%8,319,573
Nov 7, 202585.9586.5985.2486.2885.550.58%9,214,301
Nov 6, 202584.4886.1784.3585.7885.051.65%10,601,445
Nov 5, 202584.0385.3882.9184.3983.670.63%9,440,157