Merck & Co., Inc. (MRK) Stock Chart & Stock Price History $79.87 -0.45 (-0.56%) As of 10:52 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Merck & Co., Inc. Stock Price Performance The Merck & Co., Inc. (MRK) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 39.99%, with a year-to-date return of -19.80%. In the past month, the stock has increased 2.83%, reflecting recent market activity. As of the latest close, Merck & Co., Inc. traded at $80.38 with a market cap of $201.82 billion and volume of 15.90 million shares. Receive MRK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Merck & Co., Inc. and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+0.68%1 Month Performance+2.83%3 Month Performance-9.21%Year-To-Date Performance-19.80%1 Year Performance-39.99% MRK Stock Chart for Wednesday, June, 25, 2025 MRK Chart by TradingView Merck & Co., Inc. Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization06/24/2025$80.15$80.38+0.28%$81.46$79.0915.90 million shs$201.82 billion06/23/2025$79.24$80.15+1.14%$80.22$78.9918.55 million shs$201.26 billion06/20/2025$79.26$79.24-0.02%$79.92$78.6033.83 million shs$198.98 billion06/19/2025$79.26$79.26$80.31$77.1021.94 million shs$199.03 billion06/18/2025$78.36$79.26+1.15%$80.31$77.1021.94 million shs$199.03 billion06/17/2025$80.97$78.36-3.22%$80.70$78.1912.06 million shs$196.77 billion06/16/2025$81.68$80.97-0.87%$81.35$79.7112.57 million shs$203.31 billion06/13/2025$81.74$81.68-0.08%$82.44$81.4514.55 million shs$205.09 billion06/12/2025$80.26$81.74+1.84%$82.11$80.0713.15 million shs$205.25 billion06/11/2025$81.32$80.26-1.30%$81.68$79.9811.80 million shs$201.55 billion Get the Latest News and Ratings for MRK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Merck & Co., Inc. and its competitors with MarketBeat's FREE daily newsletter. 06/10/2025$79.30$81.32+2.55%$81.88$79.3313.24 million shs$204.20 billion06/09/2025$78.95$79.30+0.44%$80.41$78.6718.30 million shs$199.12 billion06/06/2025$77.60$78.95+1.73%$79.49$78.219.85 million shs$198.25 billion06/05/2025$78.28$77.60-0.86%$78.55$77.2513.97 million shs$194.87 billion06/04/2025$77.07$78.28+1.57%$79.14$77.3313.00 million shs$196.56 billion06/03/2025$76.22$77.07+1.11%$77.19$75.4418.14 million shs$193.53 billion06/02/2025$76.86$76.22-0.83%$77.02$75.4011.26 million shs$191.40 billion05/30/2025$76.35$76.86+0.67%$77.56$75.5920.64 million shs$193.00 billion05/29/2025$76.17$76.35+0.23%$77.00$75.6910.79 million shs$191.71 billion05/28/2025$77.50$76.17-1.72%$77.73$75.5912.27 million shs$191.27 billion05/27/2025$77.59$77.50-0.12%$78.20$77.0511.87 million shs$194.60 billion05/26/2025$77.59$77.59$77.90$77.0810.90 million shs$194.83 billion Related Companies Eli Lilly and Company Stock Price Chart Johnson & Johnson Stock Price Chart AbbVie Stock Price Chart Pfizer Stock Price Chart Bristol Myers Squibb Stock Price Chart Zoetis Stock Price Chart Royalty Pharma Stock Price Chart Corcept Therapeutics Stock Price Chart Jazz Pharmaceuticals Stock Price Chart Perrigo Stock Price Chart Receive MRK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Merck & Co., Inc. and its competitors with MarketBeat's FREE daily newsletter. 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