Kosmos Energy (KOS) Stock Chart & Stock Price History $1.72 +0.07 (+3.94%) As of 03:40 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Kosmos Energy Stock Price Performance The Kosmos Energy (KOS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 63.86%, with a year-to-date return of -49.85%. In the past month, the stock has decreased 14.89%, reflecting recent market activity. As of the latest close, Kosmos Energy traded at $1.66 with a market cap of $791.50 million and volume of 6.81 million shares. Five years ago, the stock traded at $1.60, representing a 7.19% increase over that period. At the time, it had a market cap of $717.58 million and a volume of 4.12 million shares. 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Email Address 5 Day Performance+0.59%1 Month Performance-14.89%3 Month Performance+1.48%Year-To-Date Performance-49.85%1 Year Performance-63.86%5 Year Performance+7.19% KOS Stock Chart for Wednesday, August, 20, 2025 KOS Chart by TradingView Kosmos Energy 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 Capitalization08/19/2025$1.75$1.66-5.43%$1.77$1.646.81 million shs$791.50 million08/18/2025$1.71$1.75+2.64%$1.77$1.659.10 million shs$836.94 million08/15/2025$1.75$1.71-2.29%$1.76$1.697.40 million shs$815.42 million08/14/2025$1.76$1.75-0.85%$1.77$1.719.73 million shs$834.55 million08/13/2025$1.72$1.76+2.62%$1.77$1.699.94 million shs$841.72 million08/12/2025$1.71$1.72+0.59%$1.81$1.7111.13 million shs$820.20 million08/11/2025$1.74$1.71-1.73%$1.78$1.687.73 million shs$815.42 million08/08/2025$1.82$1.74-4.41%$1.89$1.7312.75 million shs$829.35 million08/07/2025$1.86$1.82-2.16%$1.96$1.807.19 million shs$867.59 million08/06/2025$1.85$1.86+0.54%$1.96$1.8312.44 million shs$886.71 million Get the Latest News and Ratings for KOS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Kosmos Energy and its competitors with MarketBeat's FREE daily newsletter. 08/05/2025$1.90$1.85-2.64%$1.94$1.7716.24 million shs$881.93 million08/04/2025$1.95$1.90-2.82%$1.96$1.7612.97 million shs$905.83 million08/01/2025$2.15$1.95-9.09%$2.12$1.9414.74 million shs$932.12 million07/31/2025$2.20$2.15-2.50%$2.25$2.117.85 million shs$1.03 billion07/30/2025$2.32$2.20-4.97%$2.32$2.147.81 million shs$1.05 billion07/29/2025$2.39$2.32-3.14%$2.43$2.287.49 million shs$1.11 billion07/28/2025$2.22$2.39+7.90%$2.40$2.237.56 million shs$1.14 billion07/25/2025$2.27$2.22-2.21%$2.30$2.215.45 million shs$1.06 billion07/24/2025$2.13$2.27+6.34%$2.35$2.1210.18 million shs$1.08 billion07/23/2025$2.04$2.13+4.67%$2.14$2.026.49 million shs$1.02 billion07/22/2025$1.96$2.04+4.09%$2.05$1.965.44 million shs$972.75 million07/21/2025$2.02$1.96-2.98%$2.05$1.955.27 million shs$934.51 million Related Companies APA Stock Chart CHRD Stock Chart FANG Stock Chart CIVI Stock Chart MTDR Stock Chart MUR Stock Chart OVV Stock Chart PR Stock Chart SM Stock Chart SD Stock Chart Receive KOS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kosmos Energy and its competitors with MarketBeat's FREE daily newsletter. 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