Costain Group (COST) Stock Chart & Stock Price History GBX 124.40 -0.60 (-0.48%) As of 05/21/2025 12:17 PM Eastern 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 49.16%, with a year-to-date return of 17.36%. In the past month, the stock has increased 19.62%, reflecting recent market activity. As of the latest close, Costain Group traded at GBX 124.40 with a market cap of £333.20 million and volume of 395,559 shares. Five years ago, the stock traded at GBX 75.50, representing a 64.77% increase over that period. At the time, it had a market cap of £85.71 million and a volume of 591,394 shares. 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Email Address 5 Day Performance-0.16%1 Month Performance+19.62%3 Month Performance+15.19%Year-To-Date Performance+17.36%1 Year Performance+49.16%5 Year Performance+64.77% COST Stock Chart for Thursday, May, 22, 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 Capitalization05/21/2025GBX 125GBX 124.40-0.48%GBX 124.80GBX 122.60395,559 shs£333.20 million05/20/2025GBX 123GBX 125+1.63%GBX 125GBX 121.291.25 million shs£334.81 million05/19/2025GBX 124.60GBX 123-1.28%GBX 124.60GBX 120.801.11 million shs£329.45 million05/16/2025GBX 122.20GBX 124.60+1.96%GBX 124.60GBX 120.60673,718 shs£333.74 million05/15/2025GBX 119.40GBX 122.20+2.35%GBX 124.20GBX 1197.20 million shs£327.31 million05/14/2025GBX 118.40GBX 119.40+0.84%GBX 120GBX 118.401.67 million shs£319.81 million05/13/2025GBX 119.70GBX 118.40-1.09%GBX 119.60GBX 117727,569 shs£317.13 million05/12/2025GBX 120.20GBX 119.70-0.42%GBX 123.20GBX 118658,812 shs£320.61 million05/09/2025GBX 118.72GBX 120.20+1.24%GBX 120.60GBX 117.952.41 million shs£321.95 million05/08/2025GBX 119.60GBX 118.72-0.73%GBX 120.40GBX 1182.40 million shs£318.00 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. 05/07/2025GBX 118GBX 119.60+1.36%GBX 121.60GBX 117953,649 shs£320.35 million05/06/2025GBX 116.40GBX 118+1.37%GBX 121GBX 115.931.19 million shs£316.06 million05/05/2025GBX 116.40GBX 116.40GBX 119.93GBX 114.46928,544 shs£311.78 million05/02/2025GBX 115.20GBX 116.40+1.04%GBX 119.93GBX 114.46928,544 shs£311.78 million05/01/2025GBX 110.20GBX 115.20+4.54%GBX 115.20GBX 110.203.81 million shs£308.56 million04/30/2025GBX 110.80GBX 110.20-0.54%GBX 112.40GBX 109.401.02 million shs£295.17 million04/29/2025GBX 108.60GBX 110.80+2.03%GBX 111.80GBX 108.851.10 million shs£296.78 million04/28/2025GBX 106.40GBX 108.60+2.07%GBX 109.40GBX 1063.65 million shs£290.88 million04/25/2025GBX 104.80GBX 106.40+1.53%GBX 106.80GBX 104.60274,145 shs£284.99 million04/24/2025GBX 104GBX 104.80+0.77%GBX 106GBX 104230,051 shs£280.71 million04/23/2025GBX 104GBX 104GBX 106.60GBX 103.60563,362 shs£278.56 million04/22/2025GBX 103.90GBX 104+0.10%GBX 105.80GBX 103450,401 shs£278.56 million04/21/2025GBX 103.90GBX 103.90GBX 107.40GBX 103.30254,509 shs£278.29 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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