Merck & Co., Inc. (MRK) NYSE
Currency In USD
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MRK Historical Return
If you invested $1000 in Merck & Co., Inc. (MRK) 10 years ago, it would be worth $3,130.94 as of October 08, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,031.02, while $1000 invested 1 year ago would be worth $1,674.45. This corresponds to total returns of 213.09%, 103.1%, 67.44%, respectively, with annualized returns of 12.09%, 15.22%, 67.44%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
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MRK Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 08, 2026 | 141.9 | 142.38 | 142.38 | 142.77 | 138.89 | 8.29M |
| October 07, 2026 | 142.03 | 142.79 | 142.79 | 144.15 | 141.49 | 6.35M |
| October 06, 2026 | 140.13 | 141.93 | 141.93 | 142.15 | 139.75 | 8.06M |
| October 05, 2026 | 143.67 | 139.54 | 139.54 | 144.06 | 138.8 | 9.47M |
| October 02, 2026 | 143.77 | 144.3 | 144.3 | 144.35 | 142.73 | 9.16M |
| October 01, 2026 | 144.71 | 143.81 | 143.81 | 145.39 | 143.26 | 7.85M |
| September 30, 2026 | 148.95 | 145.31 | 145.31 | 149.27 | 145.26 | 10.22M |
| September 29, 2026 | 148.17 | 149.32 | 149.32 | 150.36 | 146.09 | 7.26M |
| September 28, 2026 | 147.65 | 148.69 | 148.69 | 149.19 | 146.28 | 7.61M |
| September 25, 2026 | 148.06 | 148.74 | 148.74 | 149.94 | 147.48 | 7.77M |
| September 24, 2026 | 148.16 | 148.01 | 148.01 | 151.46 | 147.9 | 10.31M |
| September 23, 2026 | 151.32 | 148.08 | 148.08 | 152.01 | 146.89 | 9.63M |
| September 22, 2026 | 148.69 | 150.91 | 150.91 | 153.57 | 148.04 | 11.1M |
| September 21, 2026 | 146.79 | 149.5 | 149.5 | 150.49 | 145.6 | 7.44M |
| September 18, 2026 | 147.08 | 146.76 | 146.76 | 147.84 | 145.74 | 30.47M |
| September 17, 2026 | 145.74 | 147.17 | 147.17 | 147.65 | 145.32 | 9.55M |
| September 16, 2026 | 143.96 | 144.91 | 144.91 | 144.97 | 143.5 | 7.22M |
| September 15, 2026 | 143.85 | 143.8 | 143.8 | 144.15 | 142.32 | 7.78M |
| September 11, 2026 | 145.52 | 143.93 | 143.93 | 145.9 | 143.68 | 8.62M |
| September 10, 2026 | 147.94 | 144.71 | 144.71 | 148 | 144.1 | 7.44M |
| September 09, 2026 | 148.96 | 147.6 | 147.6 | 149.41 | 147.19 | 7.76M |
| September 08, 2026 | 148.41 | 148.49 | 148.49 | 149.59 | 146.28 | 10.88M |
| September 04, 2026 | 150.83 | 150.33 | 150.33 | 152.22 | 150.09 | 4.39M |
| September 03, 2026 | 152.8 | 152.34 | 152.34 | 152.8 | 148.9 | 6.23M |
| September 02, 2026 | 151.5 | 151.64 | 151.64 | 152.69 | 149.97 | 8.17M |
| September 01, 2026 | 150.23 | 149.94 | 149.94 | 151.68 | 148.55 | 9.43M |
| August 31, 2026 | 147 | 147.76 | 147.76 | 148.69 | 145.95 | 10.67M |
| August 28, 2026 | 146.72 | 148.35 | 148.35 | 149.01 | 145.75 | 8.06M |
| August 27, 2026 | 149.53 | 149.54 | 149.54 | 152.08 | 149.02 | 8.5M |
| August 26, 2026 | 154.35 | 153.15 | 153.15 | 155.18 | 152.61 | 8.58M |
| August 25, 2026 | 151 | 156.43 | 156.43 | 156.92 | 150.66 | 13.71M |
| August 24, 2026 | 150.72 | 150.69 | 150.69 | 151.52 | 149.14 | 14.66M |
| August 21, 2026 | 149.12 | 152.55 | 152.55 | 154.49 | 148.59 | 15.87M |
| August 20, 2026 | 150.78 | 149.25 | 149.25 | 152.51 | 148.52 | 15.64M |
| August 19, 2026 | 146.94 | 152.22 | 152.22 | 153.47 | 144.9 | 32.39M |
| August 18, 2026 | 137.24 | 135.18 | 135.18 | 137.98 | 134.88 | 9.93M |
| August 17, 2026 | 134.95 | 135.97 | 135.97 | 137.17 | 134.55 | 8.46M |
| August 14, 2026 | 134.43 | 135.84 | 135.84 | 135.97 | 133.4 | 6.48M |
| August 13, 2026 | 133.86 | 135.55 | 135.55 | 135.68 | 133.06 | 8.87M |
| August 12, 2026 | 130.25 | 132.93 | 132.93 | 134.06 | 128.91 | 9.89M |
| August 11, 2026 | 129.93 | 130.45 | 130.45 | 132.84 | 129.7 | 6.12M |
| August 10, 2026 | 128.29 | 130.9 | 130.9 | 130.98 | 128.24 | 5.2M |
| August 07, 2026 | 127.84 | 128.57 | 128.57 | 128.75 | 126.68 | 6.42M |
| August 06, 2026 | 130.96 | 128.37 | 128.37 | 131.08 | 127.8 | 7.05M |
| August 05, 2026 | 129.41 | 128.32 | 128.32 | 131.07 | 127.56 | 9.5M |
| August 04, 2026 | 128.46 | 128.04 | 128.04 | 129.99 | 126.22 | 10.5M |
| August 03, 2026 | 129.87 | 127.72 | 127.72 | 131.47 | 126.72 | 10.82M |
| July 31, 2026 | 128.92 | 130.22 | 130.22 | 131.04 | 128.14 | 7M |
| July 30, 2026 | 128.2 | 129.79 | 129.79 | 130.21 | 127.25 | 6.84M |
| July 29, 2026 | 132.37 | 130.39 | 130.39 | 132.69 | 129.65 | 6.44M |
| July 28, 2026 | 132.88 | 131.82 | 131.82 | 135.05 | 131.14 | 10.09M |
| July 27, 2026 | 131.01 | 130.76 | 130.76 | 132.53 | 130.45 | 5.97M |
| July 23, 2026 | 127.82 | 130.48 | 130.48 | 131.04 | 127.82 | 8.53M |
| July 22, 2026 | 127.32 | 127.52 | 127.52 | 128.82 | 126.62 | 7.78M |
| July 21, 2026 | 124.8 | 126.26 | 126.26 | 126.77 | 124.1 | 7.33M |
| July 20, 2026 | 127.29 | 124.41 | 124.41 | 127.89 | 124.22 | 7.68M |
| July 17, 2026 | 128.45 | 127.5 | 127.5 | 131.74 | 127.03 | 12.75M |
| July 16, 2026 | 124.33 | 127.63 | 127.63 | 128.93 | 124 | 12.4M |
| July 15, 2026 | 124.25 | 123.61 | 123.61 | 124.9 | 122.75 | 9.05M |
| July 14, 2026 | 123.3 | 120.78 | 120.78 | 123.66 | 120.16 | 9.28M |
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