Constellium (CSTM) Stock Chart & Stock Price History $15.54 +0.40 (+2.65%) As of 12:47 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Constellium Stock Price Performance The Constellium (CSTM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 4.44%, with a year-to-date return of 51.32%. In the past month, the stock has increased 6.85%, reflecting recent market activity. As of the latest close, Constellium traded at $15.14 with a market cap of $2.11 billion and volume of 770,052 shares. Five years ago, the stock traded at $8.57, representing a 81.34% increase over that period. At the time, it had a market cap of $1.18 billion and a volume of 903,420 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+0.62%1 Month Performance+6.85%3 Month Performance+9.99%Year-To-Date Performance+51.32%1 Year Performance+4.44%5 Year Performance+81.34% CSTM Stock Chart for Tuesday, October, 7, 2025 CSTM Chart by TradingView Constellium 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 Capitalization10/06/2025$15.47$15.14-2.11%$15.73$15.13770,052 shs$2.11 billion10/03/2025$15.45$15.47+0.14%$15.85$15.43819,917 shs$2.16 billion10/02/2025$15.05$15.45+2.66%$15.60$14.95860,855 shs$2.16 billion10/01/2025$14.85$15.05+1.31%$15.20$14.871.09 million shs$2.10 billion09/30/2025$15.01$14.85-1.03%$15.10$14.511.16 million shs$2.07 billion09/29/2025$15.35$15.01-2.27%$15.55$14.97748,563 shs$2.09 billion09/26/2025$14.98$15.35+2.53%$15.49$15.00891,187 shs$2.14 billion09/25/2025$14.92$14.98+0.37%$15.19$14.71895,682 shs$2.09 billion09/24/2025$15.11$14.92-1.22%$15.37$14.771.10 million shs$2.08 billion09/23/2025$15.27$15.11-1.05%$15.63$15.03805,492 shs$2.11 billion Get the Latest News and Ratings for CSTM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Constellium and its competitors with MarketBeat's FREE daily newsletter. 09/22/2025$15.41$15.27-0.94%$15.53$15.02930,796 shs$2.13 billion09/19/2025$16.37$15.41-5.86%$16.44$15.401.84 million shs$2.15 billion09/18/2025$15.22$16.37+7.59%$16.49$15.242.28 million shs$2.28 billion09/17/2025$14.96$15.22+1.70%$15.77$14.91854,062 shs$2.12 billion09/16/2025$15.17$14.96-1.38%$15.28$14.95657,402 shs$2.09 billion09/15/2025$14.95$15.17+1.47%$15.36$14.89991,541 shs$2.12 billion09/12/2025$14.96$14.95-0.08%$15.05$14.73785,542 shs$2.09 billion09/11/2025$14.49$14.96+3.24%$14.99$14.421.22 million shs$2.09 billion09/10/2025$13.75$14.49+5.40%$14.54$13.601.98 million shs$2.02 billion09/09/2025$14.33$13.75-4.01%$14.43$13.721.47 million shs$1.92 billion09/08/2025$14.55$14.33-1.51%$14.61$14.17871,317 shs$2.00 billion Related Companies Kaiser Aluminum Stock Price Chart Ternium Stock Price Chart Gerdau Stock Price Chart National Steel Stock Price Chart Worthington Steel Stock Price Chart Steel Partners Stock Price Chart United States Antimony Stock Price Chart Insteel Industries Stock Price Chart Metallus Stock Price Chart Algoma Steel Group Stock Price Chart Receive CSTM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Constellium and its competitors with MarketBeat's FREE daily newsletter. 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