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Merck & Co., Inc. (MRK)
NYSE: MRK · Real-Time Price · USD
128.66
+3.21 (2.56%)
At close: Jun 26, 2026, 4:00 PM EDT
128.20
-0.46 (-0.36%)
After-hours: Jun 26, 2026, 7:59 PM EDT

Merck & Co. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 2026125.83128.78125.83128.66128.662.56%18,247,399
Jun 25, 2026121.63125.96121.00125.45125.454.02%13,339,525
Jun 24, 2026120.90121.81119.51120.60120.600.84%9,645,214
Jun 23, 2026116.53119.80116.53119.60119.603.57%9,731,101
Jun 22, 2026113.97115.63113.00115.48115.481.41%10,467,123
Jun 18, 2026114.64114.94111.57113.87113.87-1.36%28,965,992
Jun 17, 2026114.86115.99114.02115.44115.440.23%9,965,983
Jun 16, 2026115.88115.90113.57115.17115.170.23%10,648,642
Jun 15, 2026118.71118.95114.87114.90114.90-2.79%15,062,531
Jun 12, 2026121.50121.90118.83119.05118.20-1.42%10,927,107
Jun 11, 2026120.04122.71119.95120.76119.901.40%13,180,276
Jun 10, 2026119.78120.04117.26119.09118.24-0.43%10,302,107
Jun 9, 2026120.03120.50118.00119.60118.750.07%9,669,142
Jun 8, 2026120.85122.60118.69119.52118.67-1.05%12,312,220
Jun 5, 2026120.94123.46120.36120.79119.930.44%15,967,214
Jun 4, 2026117.16120.55117.09120.26119.404.85%15,933,945
Jun 3, 2026115.45117.33114.70114.70113.88-0.82%8,225,149
Jun 2, 2026114.50116.78114.50115.65114.820.42%8,311,471
Jun 1, 2026117.55117.96114.36115.17114.35-2.99%9,406,727
May 29, 2026119.65120.67118.19118.72117.87-0.98%16,599,390
May 28, 2026120.26121.50119.36119.89119.03-0.29%9,260,174
May 27, 2026119.82122.40119.78120.24119.380.43%7,163,192
May 26, 2026122.90123.13119.41119.72118.87-2.20%10,012,129
May 22, 2026120.55122.66120.08122.41121.545.64%14,754,581
May 21, 2026112.79115.98112.09115.88115.052.55%7,402,732
May 20, 2026114.63114.95112.90113.00112.19-1.09%9,130,578
May 19, 2026112.56115.10112.13114.24113.421.49%7,555,354
May 18, 2026111.43112.89110.97112.56111.761.06%8,047,204
May 15, 2026113.90113.93110.94111.38110.58-1.79%10,028,864
May 14, 2026113.63113.90112.57113.41112.60-0.04%5,284,176
May 13, 2026112.25114.07112.04113.45112.640.96%8,110,464
May 12, 2026111.50113.69111.39112.37111.570.98%9,117,391
May 11, 2026112.15113.68111.01111.28110.49-0.09%7,750,595
May 8, 2026112.38113.01111.18111.38110.58-0.82%5,725,143
May 7, 2026113.51113.75111.10112.30111.50-1.11%7,329,028
May 6, 2026113.15114.49112.74113.56112.750.36%7,256,078
May 5, 2026113.67114.07112.83113.15112.340.04%7,910,399
May 4, 2026111.41114.62110.75113.11112.300.85%7,659,082
May 1, 2026112.33114.54111.88112.16111.362.73%11,953,717
Apr 30, 2026109.34112.24108.63109.18108.40-1.60%17,131,228
Apr 29, 2026108.55111.23107.90110.95110.160.84%9,769,879
Apr 28, 2026111.52111.91109.71110.03109.24-0.18%7,157,568
Apr 27, 2026111.22112.75110.14110.23109.44-1.49%9,133,637
Apr 24, 2026113.74114.03111.50111.90111.10-2.37%7,060,014
Apr 23, 2026113.37115.02113.10114.62113.801.53%6,826,250
Apr 22, 2026112.61113.51111.54112.89112.080.29%8,037,515
Apr 21, 2026116.49116.53111.91112.56111.76-3.88%12,769,519
Apr 20, 2026119.15119.36116.75117.10116.26-1.65%7,392,032
Apr 17, 2026115.56119.20115.56119.07118.223.13%16,194,901
Apr 16, 2026117.13117.85114.71115.46114.64-2.07%11,399,886
Apr 15, 2026119.80120.25116.64117.90117.06-1.72%7,689,371
Apr 14, 2026119.03120.36118.15119.96119.10-0.16%12,449,439
Apr 13, 2026121.03121.30119.06120.15119.29-1.05%6,357,339
Apr 10, 2026122.96123.01120.95121.42120.55-1.03%9,706,972
Apr 9, 2026122.90124.00121.35122.68121.80-0.41%8,666,348
Apr 8, 2026119.60123.63117.94123.18122.303.27%9,256,857
Apr 7, 2026119.56119.56116.50119.28118.43-1.30%11,376,365
Apr 6, 2026120.41121.48120.04120.85119.99-0.02%4,890,475
Apr 2, 2026120.37121.65119.22120.87120.010.02%6,387,888
Apr 1, 2026120.88122.19120.27120.84119.980.46%6,351,678
Mar 31, 2026119.03121.27118.77120.29119.431.85%10,713,334
Mar 30, 2026120.57121.64117.22118.10117.26-1.28%11,083,960
Mar 27, 2026119.29121.07118.60119.63118.780.59%8,345,762
Mar 26, 2026118.96120.06118.65118.93118.08-0.37%6,497,238
Mar 25, 2026117.30120.12116.80119.37118.522.58%10,220,314
Mar 24, 2026114.70116.54114.02116.37115.540.60%7,411,878
Mar 23, 2026116.17116.47114.77115.68114.851.31%9,096,367
Mar 20, 2026114.25115.18112.72114.18113.36-0.02%36,355,421
Mar 19, 2026114.66115.76113.75114.20113.38-0.26%8,383,761
Mar 18, 2026115.06115.56113.35114.50113.68-1.18%6,736,269
Mar 17, 2026115.78116.80114.38115.87115.040.38%7,952,157
Mar 16, 2026115.34116.06114.22115.43114.610.58%8,785,305
Mar 13, 2026116.92117.90115.53115.61113.94-0.26%7,111,035
Mar 12, 2026115.47116.60114.30115.91114.24-0.26%8,349,180
Mar 11, 2026116.76116.95115.29116.21114.53-0.75%6,769,631
Mar 10, 2026117.24119.00116.67117.09115.40-0.02%9,739,257
Mar 9, 2026114.98117.26114.11117.11115.421.14%8,321,571
Mar 6, 2026115.16116.36113.82115.79114.12-0.24%12,809,312
Mar 5, 2026119.11119.53114.45116.07114.39-3.50%14,524,746
Mar 4, 2026119.43120.87117.86120.28118.540.38%6,700,910
Mar 3, 2026119.67120.97118.61119.83118.10-1.30%9,334,139
Mar 2, 2026123.51123.70121.04121.41119.66-1.95%11,564,485
Feb 27, 2026119.68124.00119.68123.82122.033.79%17,636,439
Feb 26, 2026122.40122.50119.00119.30117.58-2.58%10,327,287
Feb 25, 2026124.01125.14122.26122.46120.69-1.19%11,082,461
Feb 24, 2026123.41124.84122.63123.93122.140.09%8,460,699
Feb 23, 2026122.31124.19121.50123.82122.031.28%9,661,094
Feb 20, 2026122.64122.70120.60122.26120.490.33%9,442,855
Feb 19, 2026121.40122.60120.50121.86120.100.16%8,933,309
Feb 18, 2026121.25121.81120.39121.66119.900.07%7,803,418
Feb 17, 2026122.36123.08120.80121.57119.810.13%9,899,761
Feb 13, 2026121.50123.33121.03121.41119.661.82%10,102,324
Feb 12, 2026119.01121.61118.13119.24117.52-0.06%13,453,271
Feb 11, 2026117.04119.36116.31119.31117.591.84%10,885,294
Feb 10, 2026117.69118.18116.10117.15115.46-0.42%11,849,545
Feb 9, 2026121.41121.88116.98117.65115.95-3.51%16,158,727
Feb 6, 2026120.76122.66120.44121.93120.171.82%13,083,323
Feb 5, 2026118.31122.43118.31119.75118.021.20%24,010,554
Feb 4, 2026116.90120.39116.50118.33116.622.15%21,954,563
Feb 3, 2026111.67118.46111.44115.84114.172.18%25,793,563