Kosmos Energy (KOS) Stock Chart & Stock Price History GBX 128.20 +0.70 (+0.55%) As of 08:04 AM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsHeadlinesBuy 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 61.39%, with a year-to-date return of -55.17%. In the past month, the stock has increased 5.95%, reflecting recent market activity. As of the latest close, Kosmos Energy traded at GBX 130 with a market cap of £621.73 million and volume of 23,213 shares. Five years ago, the stock traded at GBX 81.50, representing a 57.30% increase over that period. At the time, it had a market cap of £322.30 million and a volume of 840 shares. 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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Read our full terms of service and privacy policy. 5 Day Performance+0.16%1 Month Performance+5.95%3 Month Performance-15.85%Year-To-Date Performance-55.17%1 Year Performance-61.39%5 Year Performance+57.30% KOS Stock Chart for Friday, October, 10, 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 Capitalization10/09/2025GBX 131GBX 130-0.76%GBX 140GBX 12823,213 shs£621.73 million10/08/2025GBX 140GBX 131-6.43%GBX 131GBX 1311,491 shs£626.51 million10/07/2025GBX 128GBX 140+9.38%GBX 140GBX 1372,347 shs£669.56 million10/06/2025GBX 128GBX 128GBX 135.65GBX 119.1120,492 shs£612.17 million10/03/2025GBX 126GBX 128+1.59%GBX 128.06GBX 1178,725 shs£612.17 million10/02/2025GBX 123GBX 126+2.44%GBX 126GBX 124.2013,678 shs£602.60 million10/01/2025GBX 123GBX 123GBX 125GBX 1234,862 shs£588.25 million09/30/2025GBX 133GBX 123-7.52%GBX 125GBX 1234,862 shs£588.25 million09/29/2025GBX 134GBX 133-0.75%GBX 140GBX 1339,125 shs£636.08 million09/26/2025GBX 135GBX 135GBX 135GBX 1357,645 shs£645.64 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. 09/25/2025GBX 128GBX 135+5.47%GBX 135GBX 1357,645 shs£645.64 million09/24/2025GBX 135GBX 128-5.19%GBX 128GBX 128443 shs£612.17 million09/23/2025GBX 120.64GBX 135+11.90%GBX 135GBX 13011,113 shs£645.64 million09/22/2025GBX 135GBX 120.64-10.64%GBX 136GBX 120.6413,258 shs£576.97 million09/19/2025GBX 133GBX 135+1.50%GBX 135GBX 1275,301 shs£645.64 million09/18/2025GBX 131.10GBX 133+1.45%GBX 133GBX 1324,000 shs£636.08 million09/17/2025GBX 118GBX 131.10+11.10%GBX 131.10GBX 12416,834 shs£626.99 million09/16/2025GBX 123GBX 118-4.07%GBX 119.20GBX 1181,003 shs£564.34 million09/15/2025GBX 122GBX 123+0.82%GBX 126GBX 1221,767 shs£588.25 million09/12/2025GBX 120.20GBX 122+1.50%GBX 124GBX 120190 shs£583.47 million09/11/2025GBX 121GBX 120.20-0.66%GBX 123GBX 120.2011,747 shs£574.86 million09/10/2025GBX 120GBX 121+0.83%GBX 122GBX 1211,200 shs£578.69 million09/09/2025GBX 126GBX 120-4.76%GBX 120GBX 1201,999 shs£573.91 million Related Companies TTE Stock Chart DEC Stock Chart GTE Stock Chart EOG Stock Chart SUN Stock Chart NOG Stock Chart EQT Stock Chart VAL Stock Chart WTI Stock Chart SHEL 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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