Kaiser Aluminum (KALU) Stock Chart & Stock Price History $78.36 -1.02 (-1.28%) Closing price 10/3/2025 04:00 PM EasternExtended Trading$78.33 -0.03 (-0.03%) As of 10/3/2025 04:10 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Kaiser Aluminum Stock Price Performance The Kaiser Aluminum (KALU) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 9.14%, with a year-to-date return of 11.51%. In the past month, the stock has increased 1.21%, reflecting recent market activity. As of the latest close, Kaiser Aluminum traded at $78.36 with a market cap of $1.27 billion and volume of 77,217 shares. Five years ago, the stock traded at $56.44, representing a 38.84% increase over that period. At the time, it had a market cap of $892.43 million and a volume of 118,653 shares. Receive KALU Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kaiser Aluminum and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance+1.56%1 Month Performance+1.21%3 Month Performance-8.48%Year-To-Date Performance+11.51%1 Year Performance+9.14%5 Year Performance+38.84% KALU Stock Chart for Sunday, October, 5, 2025 KALU Chart by TradingView Kaiser 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 Capitalization10/03/2025$79.38$78.36-1.28%$80.82$78.1677,217 shs$1.27 billion10/02/2025$78.34$79.38+1.33%$79.92$77.6174,003 shs$1.28 billion10/01/2025$77.16$78.34+1.53%$78.81$77.0564,763 shs$1.27 billion09/30/2025$76.14$77.16+1.34%$77.45$75.56121,391 shs$1.25 billion09/29/2025$77.70$76.14-2.01%$77.99$75.68110,273 shs$1.23 billion09/26/2025$74.01$77.70+4.99%$78.14$73.75106,118 shs$1.26 billion09/25/2025$74.17$74.01-0.22%$74.87$73.3783,202 shs$1.20 billion09/24/2025$73.93$74.17+0.32%$74.93$73.0880,724 shs$1.20 billion09/23/2025$75.77$73.93-2.43%$76.52$73.41183,047 shs$1.20 billion09/22/2025$77.20$75.77-1.85%$77.45$75.2981,000 shs$1.23 billion Get the Latest News and Ratings for KALU and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Kaiser Aluminum and its competitors with MarketBeat's FREE daily newsletter. 09/19/2025$78.86$77.20-2.10%$79.12$77.01275,397 shs$1.25 billion09/18/2025$76.88$78.86+2.58%$79.17$76.0792,259 shs$1.28 billion09/17/2025$77.49$76.88-0.79%$79.54$76.7470,690 shs$1.24 billion09/16/2025$77.36$77.49+0.17%$77.87$76.6372,654 shs$1.25 billion09/15/2025$76.53$77.36+1.08%$78.00$76.5073,429 shs$1.24 billion09/12/2025$77.37$76.53-1.09%$77.32$76.0557,610 shs$1.25 billion09/11/2025$75.52$77.37+2.45%$77.54$75.1398,146 shs$1.25 billion09/10/2025$74.50$75.52+1.37%$76.19$74.1482,706 shs$1.22 billion09/09/2025$76.68$74.50-2.84%$77.09$73.91100,278 shs$1.21 billion09/08/2025$77.42$76.68-0.96%$77.15$75.1877,908 shs$1.24 billion09/05/2025$75.84$77.42+2.08%$77.60$75.8470,517 shs$1.25 billion09/04/2025$75.60$75.84+0.32%$76.02$74.4192,134 shs$1.23 billion Related Companies CENX Stock Chart AA Stock Chart CSTM Stock Chart AMBP Stock Chart TRS Stock Chart NWPX Stock Chart EAF Stock Chart FRD Stock Chart NNBR Stock Chart TPCS Stock Chart Receive KALU Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kaiser Aluminum and its competitors with MarketBeat's FREE daily newsletter. 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