Constellium (CSTM) Stock Chart & Stock Price History $14.74 +0.51 (+3.55%) Closing price 03:59 PM EasternExtended Trading$14.74 0.00 (0.00%) As of 04:04 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours 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 decreased 7.44%, with a year-to-date return of 43.57%. In the past month, the stock has increased 2.93%, reflecting recent market activity. As of the latest close, Constellium traded at $14.20 with a market cap of $1.98 billion and volume of 722,715 shares. Five years ago, the stock traded at $7.72, representing a 91.00% increase over that period. At the time, it had a market cap of $1.11 billion and a volume of 957,965 shares. 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. Email Address 5 Day Performance+2.25%1 Month Performance+2.93%3 Month Performance+24.80%Year-To-Date Performance+43.57%1 Year Performance-7.44%5 Year Performance+91.00% CSTM Stock Chart for Friday, August, 22, 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 Capitalization08/21/2025$14.38$14.20-1.31%$14.41$14.05722,715 shs$1.98 billion08/20/2025$14.60$14.38-1.45%$14.62$14.26974,629 shs$2.01 billion08/19/2025$14.14$14.60+3.23%$14.74$14.221.35 million shs$2.04 billion08/18/2025$14.42$14.14-1.95%$14.37$14.12710,147 shs$1.97 billion08/15/2025$14.08$14.42+2.45%$14.73$13.911.26 million shs$2.01 billion08/14/2025$14.24$14.08-1.16%$14.09$13.721.17 million shs$1.99 billion08/13/2025$13.80$14.24+3.16%$14.40$13.961.11 million shs$1.99 billion08/12/2025$13.09$13.80+5.49%$13.88$13.211.55 million shs$1.93 billion08/11/2025$13.42$13.09-2.53%$13.68$13.061.24 million shs$1.83 billion08/08/2025$13.37$13.42+0.37%$13.67$13.411.10 million shs$1.87 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. 08/07/2025$13.41$13.37-0.24%$13.88$13.351.03 million shs$1.87 billion08/06/2025$13.59$13.41-1.32%$14.01$13.381.10 million shs$1.87 billion08/05/2025$13.21$13.59+2.84%$13.71$13.232.49 million shs$1.90 billion08/04/2025$13.20$13.21+0.08%$13.58$13.201.07 million shs$1.84 billion08/01/2025$13.69$13.20-3.58%$13.50$13.042.10 million shs$1.89 billion07/31/2025$14.75$13.69-7.19%$14.92$13.651.91 million shs$1.96 billion07/30/2025$14.70$14.75+0.33%$15.43$14.562.69 million shs$2.11 billion07/29/2025$13.94$14.70+5.46%$14.96$13.972.73 million shs$2.10 billion07/28/2025$13.62$13.94+2.32%$14.01$13.552.41 million shs$1.99 billion07/25/2025$13.82$13.62-1.38%$13.92$13.431.33 million shs$1.95 billion07/24/2025$14.17$13.82-2.47%$14.28$13.81848,697 shs$1.97 billion07/23/2025$14.33$14.17-1.12%$14.53$14.051.09 million shs$2.02 billion07/22/2025$13.92$14.33+2.91%$14.42$13.921.47 million shs$2.05 billion07/21/2025$13.57$13.92+2.58%$14.10$13.56837,953 shs$1.99 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 Insteel Industries Stock Price Chart Metallus Stock Price Chart Algoma Steel Group Stock Price Chart United States Antimony 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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