Century Aluminum (CENX) Stock Chart & Stock Price History $23.26 -0.30 (-1.27%) Closing price 04:00 PM EasternExtended Trading$23.26 0.00 (0.00%) As of 04:34 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Century Aluminum Stock Price Performance The Century Aluminum (CENX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 71.53%, with a year-to-date return of 27.66%. In the past month, the stock has increased 16.18%, reflecting recent market activity. As of the latest close, Century Aluminum traded at $23.56 with a market cap of $2.20 billion and volume of 1.44 million shares. Five years ago, the stock traded at $9.94, representing a 134.00% increase over that period. At the time, it had a market cap of $969.12 million and a volume of 638,114 shares. Receive CENX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Century Aluminum and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+1.09%1 Month Performance+16.18%3 Month Performance+40.80%Year-To-Date Performance+27.66%1 Year Performance+71.53%5 Year Performance+134.00% CENX Stock Chart for Friday, August, 15, 2025 CENX Chart by TradingView Century Aluminum 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 Capitalization08/14/2025$23.82$23.56-1.09%$23.85$22.841.44 million shs$2.20 billion08/13/2025$23.46$23.82+1.53%$24.01$23.291.57 million shs$2.22 billion08/12/2025$22.47$23.46+4.43%$23.50$22.471.41 million shs$2.19 billion08/11/2025$23.01$22.47-2.37%$22.99$21.951.53 million shs$2.10 billion08/08/2025$22.64$23.01+1.63%$24.98$21.912.81 million shs$2.15 billion08/07/2025$21.50$22.64+5.30%$22.70$21.461.69 million shs$2.11 billion08/06/2025$21.06$21.50+2.09%$21.79$21.111.25 million shs$2.01 billion08/05/2025$20.41$21.06+3.18%$21.19$20.341.21 million shs$1.96 billion08/04/2025$20.47$20.41-0.29%$20.76$20.211.37 million shs$1.90 billion08/01/2025$21.18$20.47-3.35%$21.07$20.211.64 million shs$1.91 billion Get the Latest News and Ratings for CENX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Century Aluminum and its competitors with MarketBeat's FREE daily newsletter. 07/31/2025$21.32$21.18-0.66%$21.32$20.562.06 million shs$1.98 billion07/30/2025$22.33$21.32-4.52%$22.35$20.901.79 million shs$1.99 billion07/29/2025$22.64$22.33-1.37%$22.71$22.151.19 million shs$2.08 billion07/28/2025$22.90$22.64-1.14%$23.10$22.051.43 million shs$2.11 billion07/25/2025$22.82$22.90+0.35%$23.07$22.221.37 million shs$2.14 billion07/24/2025$22.78$22.82+0.18%$22.83$22.072.15 million shs$2.13 billion07/23/2025$22.53$22.78+1.11%$23.02$22.491.10 million shs$2.13 billion07/22/2025$22.20$22.53+1.49%$23.21$21.952.54 million shs$2.10 billion07/21/2025$20.32$22.20+9.25%$22.54$20.703.28 million shs$2.07 billion07/18/2025$20.09$20.32+1.14%$20.49$19.94933,353 shs$1.90 billion07/17/2025$19.53$20.09+2.87%$20.26$19.391.39 million shs$1.87 billion07/16/2025$20.02$19.53-2.45%$19.91$19.101.03 million shs$1.87 billion07/15/2025$20.32$20.02-1.48%$20.77$19.791.28 million shs$1.87 billion07/14/2025$20.71$20.32-1.88%$20.70$19.831.28 million shs$1.90 billion Related Companies KALU Stock Chart AA Stock Chart FCX Stock Chart HBM Stock Chart SCCO Stock Chart AMBP Stock Chart TRS Stock Chart NWPX Stock Chart EAF Stock Chart FRD Stock Chart Receive CENX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Century Aluminum and its competitors with MarketBeat's FREE daily newsletter. 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