Costain Group (COST) Stock Chart & Stock Price History GBX 145.80 0.00 (0.00%) As of 07/4/2025 Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesBuy This Stock Costain Group Stock Price Performance The Costain Group (COST) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 66.44%, with a year-to-date return of 37.55%. In the past month, the stock has increased 20.10%, reflecting recent market activity. As of the latest close, Costain Group traded at GBX 146.09 with a market cap of £391.29 million and volume of 1.06 million shares. Five years ago, the stock traded at GBX 68.70, representing a 112.23% increase over that period. At the time, it had a market cap of £188.89 million and a volume of 834,812 shares. 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Email Address 5 Day Performance-1.72%1 Month Performance+20.10%3 Month Performance+45.95%Year-To-Date Performance+37.55%1 Year Performance+66.44%5 Year Performance+112.23% COST Stock Chart for Saturday, July, 5, 2025 COST Chart by TradingView Costain Group 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 Capitalization07/04/2025GBX 146.09GBX 146.09GBX 146.60GBX 142.401.06 million shs£391.29 million07/03/2025GBX 142.20GBX 146.09+2.73%GBX 146.60GBX 142.401.06 million shs£391.29 million07/02/2025GBX 148.34GBX 142.20-4.14%GBX 148.20GBX 1421.10 million shs£380.88 million07/01/2025GBX 148.36GBX 148.34-0.01%GBX 151.40GBX 147767,301 shs£397.33 million06/30/2025GBX 147.88GBX 148.36+0.32%GBX 149.80GBX 146.801.36 million shs£397.37 million06/27/2025GBX 145.80GBX 147.88+1.43%GBX 150.40GBX 145.401.98 million shs£396.11 million06/26/2025GBX 144.20GBX 145.80+1.11%GBX 147.20GBX 144.201.72 million shs£390.52 million06/25/2025GBX 145.07GBX 144.20-0.60%GBX 145GBX 1421.10 million shs£386.24 million06/24/2025GBX 142.22GBX 145.07+2.00%GBX 145.63GBX 1431.52 million shs£388.55 million06/23/2025GBX 142GBX 142.22+0.15%GBX 143.80GBX 140.601.35 million shs£380.95 million Get the Latest News and Ratings for COST and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Costain Group and its competitors with MarketBeat's FREE daily newsletter. 06/20/2025GBX 143.01GBX 142-0.70%GBX 143GBX 137.201.19 million shs£380.36 million06/19/2025GBX 143GBX 143.01+0.00%GBX 143.20GBX 141.20399,273 shs£383.04 million06/18/2025GBX 140GBX 143+2.14%GBX 144GBX 1381.60 million shs£383.02 million06/17/2025GBX 138.30GBX 140+1.23%GBX 140.89GBX 136.872.25 million shs£374.99 million06/16/2025GBX 128.60GBX 138.30+7.54%GBX 140.80GBX 128.803.82 million shs£370.43 million06/13/2025GBX 129GBX 128.60-0.31%GBX 129.40GBX 125.60528,745 shs£344.45 million06/12/2025GBX 130.40GBX 129-1.07%GBX 129.40GBX 127.201.68 million shs£345.52 million06/11/2025GBX 130GBX 130.40+0.31%GBX 133.80GBX 128.201.06 million shs£349.27 million06/10/2025GBX 124.20GBX 130+4.67%GBX 130.40GBX 1191.43 million shs£348.20 million06/09/2025GBX 124.40GBX 124.20-0.16%GBX 125GBX 122.40332,461 shs£332.67 million06/06/2025GBX 121.40GBX 124.40+2.47%GBX 124.80GBX 120.601.42 million shs£333.20 million06/05/2025GBX 121.80GBX 121.40-0.33%GBX 124.60GBX 120.80280,724 shs£325.17 million06/04/2025GBX 121GBX 121.80+0.66%GBX 122GBX 119.401.87 million shs£326.24 million Related Companies PETS Stock Price Chart BOOT Stock Price Chart BIG Stock Price Chart HVT Stock Price Chart AEO Stock Price Chart DSG Stock Price Chart TSCO Stock Price Chart JD Stock Price Chart RS1 Stock Price Chart BBY Stock Price Chart Receive COST Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Costain Group and its competitors with MarketBeat's FREE daily newsletter. 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