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 $3,371.59 as of September 18, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,353.21, while $1000 invested 1 year ago would be worth $1,833.89. This corresponds to total returns of 237.16%, 135.32%, 83.39%, respectively, with annualized returns of 12.92%, 18.68%, 83.39%.

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:

DateOpenCloseAdj CloseHighLowVolume
September 17, 2026145.74147.17147.17147.65145.329.55M
September 16, 2026143.96144.91144.91144.97143.57.22M
September 15, 2026143.85143.8143.8144.15142.327.78M
September 11, 2026145.52143.93143.93145.9143.688.62M
September 10, 2026147.94144.71144.71148144.17.44M
September 09, 2026148.96147.6147.6149.41147.197.76M
September 08, 2026148.41148.49148.49149.59146.2810.88M
September 04, 2026150.83150.33150.33152.22150.094.39M
September 03, 2026152.8152.34152.34152.8148.96.23M
September 02, 2026151.5151.64151.64152.69149.978.17M
September 01, 2026150.23149.94149.94151.68148.559.43M
August 31, 2026147147.76147.76148.69145.9510.67M
August 28, 2026146.72148.35148.35149.01145.758.06M
August 27, 2026149.53149.54149.54152.08149.028.5M
August 26, 2026154.35153.15153.15155.18152.618.58M
August 25, 2026151156.43156.43156.92150.6613.71M
August 24, 2026150.72150.69150.69151.52149.1414.66M
August 21, 2026149.12152.55152.55154.49148.5915.87M
August 20, 2026150.78149.25149.25152.51148.5215.64M
August 19, 2026146.94152.22152.22153.47144.932.39M
August 18, 2026137.24135.18135.18137.98134.889.93M
August 17, 2026134.95135.97135.97137.17134.558.46M
August 14, 2026134.43135.84135.84135.97133.46.48M
August 13, 2026133.86135.55135.55135.68133.068.87M
August 12, 2026130.25132.93132.93134.06128.919.89M
August 11, 2026129.93130.45130.45132.84129.76.12M
August 10, 2026128.29130.9130.9130.98128.245.2M
August 07, 2026127.84128.57128.57128.75126.686.42M
August 06, 2026130.96128.37128.37131.08127.87.05M
August 05, 2026129.41128.32128.32131.07127.569.5M
August 04, 2026128.46128.04128.04129.99126.2210.5M
August 03, 2026129.87127.72127.72131.47126.7210.82M
July 31, 2026128.92130.22130.22131.04128.147M
July 30, 2026128.2129.79129.79130.21127.256.84M
July 29, 2026132.37130.39130.39132.69129.656.44M
July 28, 2026132.88131.82131.82135.05131.1410.09M
July 27, 2026131.01130.76130.76132.53130.455.97M
July 23, 2026127.82130.48130.48131.04127.828.53M
July 22, 2026127.32127.52127.52128.82126.627.78M
July 21, 2026124.8126.26126.26126.77124.17.33M
July 20, 2026127.29124.41124.41127.89124.227.68M
July 17, 2026128.45127.5127.5131.74127.0312.75M
July 16, 2026124.33127.63127.63128.9312412.4M
July 15, 2026124.25123.61123.61124.9122.759.05M
July 14, 2026123.3120.78120.78123.66120.169.28M
July 13, 2026123.58124.03124.03124.74122.444.95M
July 10, 2026125.12123.54123.54125.56122.98.15M
July 09, 2026125.48125.07125.07128.07124.456.83M
July 08, 2026128.34125.99125.99128.99125.147.84M
July 07, 2026128.77128.86128.86129.69127.898.73M
July 06, 2026129.31126.78126.78130125.629.18M
July 02, 2026126.18129.56129.56129.61125.997.54M
July 01, 2026128.01125.37125.37128.42124.7110.1M
June 30, 2026129.22128.5128.5130.29126.6811.8M
June 29, 2026127.65129.38129.38129.97126.749.55M
June 26, 2026125.83128.38128.38128.78125.8318.47M
June 25, 2026121.63125.45125.45125.9612113.31M
June 24, 2026120.9120.65120.65121.81119.519.65M
June 23, 2026116.53119.6119.6119.8116.539.73M
June 22, 2026113.97115.46115.46115.6311310.47M
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