Algoma Steel Group (ASTL) Stock Chart & Stock Price History $5.47 -0.12 (-2.15%) Closing price 04:00 PM EasternExtended Trading$5.47 0.00 (0.00%) As of 04:38 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Algoma Steel Group Stock Price Performance The Algoma Steel Group (ASTL) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 33.29%, with a year-to-date return of -44.07%. In the past month, the stock has increased 12.78%, reflecting recent market activity. As of the latest close, Algoma Steel Group traded at $5.59 with a market cap of $586.58 million and volume of 454,277 shares. 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Email Address 5 Day Performance-4.87%1 Month Performance+12.78%3 Month Performance-27.74%Year-To-Date Performance-44.07%1 Year Performance-33.29% ASTL Stock Chart for Wednesday, May, 21, 2025 ASTL Chart by TradingView Algoma Steel 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 Capitalization05/21/2025$5.59$5.47-2.15%$5.62$5.42389,142 shs$573.99 million05/20/2025$5.75$5.59-2.78%$5.77$5.57454,277 shs$586.58 million05/19/2025$5.75$5.75$5.84$5.62601,773 shs$603.37 million05/16/2025$5.75$5.75$5.84$5.58549,630 shs$603.37 million05/15/2025$5.82$5.75-1.20%$5.80$5.65427,267 shs$603.37 million05/14/2025$6.04$5.82-3.64%$6.04$5.76478,164 shs$610.72 million05/13/2025$6.26$6.04-3.51%$6.28$6.04960,594 shs$633.80 million05/12/2025$5.98$6.26+4.68%$6.39$6.061.01 million shs$656.89 million05/09/2025$5.81$5.98+2.93%$6.04$5.74767,735 shs$627.51 million05/08/2025$5.29$5.81+9.81%$5.87$5.281.33 million shs$609.67 million Get the Latest News and Ratings for ASTL and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Algoma Steel Group and its competitors with MarketBeat's FREE daily newsletter. 05/07/2025$5.46$5.29-3.10%$5.47$5.24426,358 shs$555.21 million05/06/2025$5.64$5.46-3.19%$5.61$5.41851,335 shs$572.94 million05/05/2025$5.76$5.64-2.08%$5.78$5.57914,139 shs$591.83 million05/02/2025$5.34$5.76+7.87%$5.82$5.46816,922 shs$604.42 million05/01/2025$5.11$5.34+4.50%$5.42$5.071.14 million shs$560.35 million04/30/2025$5.07$5.11+0.79%$5.20$4.271.42 million shs$536.21 million04/29/2025$5.11$5.07-0.78%$5.16$5.041.52 million shs$532.02 million04/28/2025$5.13$5.11-0.39%$5.31$5.06965,708 shs$536.21 million04/25/2025$5.25$5.13-2.29%$5.56$5.041.12 million shs$538.31 million04/24/2025$4.93$5.25+6.49%$5.34$4.951.21 million shs$550.90 million04/23/2025$4.85$4.93+1.65%$5.15$4.89987,428 shs$517.33 million04/22/2025$4.85$4.85$5.09$4.83751,762 shs$508.93 million04/21/2025$4.80$4.85+1.04%$4.88$4.65905,936 shs$508.93 million Related Companies Companhia Siderúrgica Nacional Stock Price Chart Constellium Stock Price Chart Worthington Steel Stock Price Chart Steel Partners Stock Price Chart Metallus Stock Price Chart United States Antimony Stock Price Chart Ascent Industries Stock Price Chart Friedman Industries Stock Price Chart HUHUTECH International Group Stock Price Chart Luda Technology Group Stock Price Chart Receive ASTL Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Algoma Steel Group and its competitors with MarketBeat's FREE daily newsletter. 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