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Merck & Co., Inc. (MRK)
NYSE: MRK · Real-Time Price · USD
123.82
+4.52 (3.79%)
At close: Feb 27, 2026, 4:00 PM EST
123.88
+0.06 (0.05%)
After-hours: Feb 27, 2026, 7:58 PM EST

Merck & Co. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Feb 27, 2026119.68124.00119.68123.82123.823.79%17,160,588
Feb 26, 2026122.40122.50119.00119.30119.30-2.58%10,296,680
Feb 25, 2026124.01125.14122.26122.46122.46-1.19%11,044,633
Feb 24, 2026123.41124.84122.63123.93123.930.09%8,448,970
Feb 23, 2026122.31124.19121.50123.82123.821.28%9,550,341
Feb 20, 2026122.64122.70120.60122.26122.260.33%9,408,126
Feb 19, 2026121.40122.60120.50121.86121.860.16%8,907,522
Feb 18, 2026121.25121.81120.39121.66121.660.07%7,800,201
Feb 17, 2026122.36123.08120.80121.57121.570.13%9,814,095
Feb 13, 2026121.50123.33121.03121.41121.411.82%9,967,734
Feb 12, 2026119.01121.61118.13119.24119.24-0.06%13,296,689
Feb 11, 2026117.04119.36116.31119.31119.311.84%10,788,778
Feb 10, 2026117.69118.18116.10117.15117.15-0.42%11,826,954
Feb 9, 2026121.41121.88116.98117.65117.65-3.51%16,006,560
Feb 6, 2026120.76122.66120.44121.93121.931.82%13,020,429
Feb 5, 2026118.31122.43118.31119.75119.751.20%22,883,456
Feb 4, 2026116.90120.39116.50118.33118.332.15%21,850,351
Feb 3, 2026111.67118.46111.44115.84115.842.18%25,567,058
Feb 2, 2026110.12113.89109.95113.37113.372.81%17,944,808
Jan 30, 2026108.59110.54107.95110.27110.271.78%19,032,602
Jan 29, 2026107.33109.93107.10108.34108.341.35%13,534,141
Jan 28, 2026106.85107.93106.03106.90106.90-0.95%7,456,879
Jan 27, 2026107.50108.35106.84107.92107.920.48%7,871,481
Jan 26, 2026107.80108.42107.06107.40107.40-0.72%9,738,392
Jan 23, 2026109.09109.09107.21108.18108.18-0.92%10,315,090
Jan 22, 2026110.78111.32108.59109.18109.18-1.74%9,336,688
Jan 21, 2026109.19111.97108.73111.11111.111.52%12,808,388
Jan 20, 2026108.11109.64106.93109.45109.450.57%14,909,087
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
Nov 4, 202582.7084.9682.0183.8683.151.66%12,846,087
Nov 3, 202585.7786.1082.3482.4981.79-4.06%13,875,806
Oct 31, 202585.4286.4684.5685.9885.25-0.35%12,384,986
Oct 30, 202584.6287.3083.3086.2885.55-0.35%16,678,844
Oct 29, 202586.9587.8486.0786.5885.85-0.52%10,921,908
Oct 28, 202588.1188.1186.9387.0386.29-1.10%8,345,943
Oct 27, 202587.5188.3087.0388.0087.250.58%7,226,555
Oct 24, 202587.3388.0687.1187.4986.750.36%7,902,072
Oct 23, 202587.5688.1186.9187.1886.44-0.49%7,687,450
Oct 22, 202587.6888.7987.0187.6186.87-0.01%10,926,343
Oct 21, 202586.9687.6786.2387.6286.881.51%9,852,403
Oct 20, 202585.2587.0085.0386.3285.591.80%8,611,782
Oct 17, 202583.2884.8983.1684.7984.071.04%10,758,923
Oct 16, 202584.4185.5083.6083.9283.21-0.23%11,709,057
Oct 15, 202584.1984.6983.6184.1183.40-0.70%9,168,705
Oct 14, 202585.3885.6884.1584.7083.98-1.17%9,675,036
Oct 13, 202585.6686.4685.2485.7084.97-0.34%6,553,942
Oct 10, 202587.9488.2485.9285.9985.26-1.73%11,230,694
Oct 9, 202586.9687.8086.6487.5086.761.27%10,938,196
Oct 8, 202587.9387.9386.2086.4085.67-1.38%9,696,200
Oct 7, 202588.6788.9487.1487.6186.87-1.34%9,449,085
Oct 6, 202588.8390.3188.5588.8088.05-0.44%11,648,298