AltaGas (ALA) Stock Chart & Stock Price History C$40.45 -0.35 (-0.86%) As of 10:51 AM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesBuy This Stock AltaGas Stock Price Performance 5 Day Performance+1.92%1 Month Performance+2.49%3 Month Performance+21.65%6 Month Performance+21.03%Year-To-Date Performance+21.86%1 Year Performance+35.41% Receive ALA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AltaGas and its competitors with MarketBeat's FREE daily newsletter. Email Address ALA Stock Chart for Thursday, May, 1, 2025 ALA Chart by TradingView AltaGas Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/30/2025C$40.69C$40.80+0.27%C$40.98C$40.18833,264 shsC$12.15 billion04/29/2025C$40.41C$40.69+0.69%C$40.93C$40.42711,152 shsC$12.11 billion04/28/2025C$40.03C$40.41+0.95%C$40.53C$39.93724,642 shsC$12.03 billion04/25/2025C$39.93C$40.03+0.25%C$40.15C$39.69576,152 shsC$11.92 billion04/24/2025C$39.75C$39.93+0.45%C$40.10C$39.49584,112 shsC$11.89 billion04/23/2025C$39.67C$39.75+0.20%C$39.80C$38.62701,236 shsC$11.83 billion04/22/2025C$39.48C$39.67+0.48%C$40.00C$39.40496,331 shsC$11.81 billion04/21/2025C$40.00C$39.48-1.30%C$40.12C$39.27494,179 shsC$11.75 billion04/18/2025C$40.00C$40.00C$40.35C$39.69729,196 shsC$11.91 billion04/17/2025C$40.04C$40.00-0.10%C$40.35C$39.69729,196 shsC$11.91 billion Get the Latest News and Ratings for ALA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AltaGas and its competitors with MarketBeat's FREE daily newsletter. 04/16/2025C$39.59C$40.04+1.14%C$40.24C$39.661.11 million shsC$11.92 billion04/15/2025C$38.87C$39.59+1.85%C$39.80C$38.96787,710 shsC$11.79 billion04/14/2025C$38.19C$38.87+1.78%C$39.14C$38.20515,542 shsC$11.57 billion04/11/2025C$37.81C$38.19+1.01%C$38.53C$37.65626,775 shsC$11.37 billion04/10/2025C$37.53C$37.81+0.75%C$38.21C$37.061.11 million shsC$11.26 billion04/09/2025C$36.55C$37.53+2.68%C$37.69C$36.111.27 million shsC$11.17 billion04/09/2025C$36.55C$37.53+2.68%C$37.69C$36.111.27 million shsC$11.17 billion04/08/2025C$36.65C$36.55-0.27%C$37.50C$36.121.18 million shsC$10.88 billion04/08/2025C$36.65C$36.55-0.27%C$37.50C$36.121.18 million shsC$10.88 billion04/07/2025C$37.01C$36.65-0.97%C$37.05C$35.331.52 million shsC$10.91 billion04/04/2025C$39.12C$37.01-5.39%C$39.09C$36.841.15 million shsC$11.02 billion04/03/2025C$39.76C$39.12-1.61%C$40.07C$39.07796,554 shsC$11.65 billion04/02/2025C$39.81C$39.76-0.13%C$40.17C$39.561.18 million shsC$11.84 billion04/01/2025C$39.47C$39.81+0.86%C$39.98C$39.11849,292 shsC$11.85 billion03/31/2025C$38.99C$39.47+1.23%C$39.87C$38.86840,949 shsC$11.75 billion Related Companies Pembina Pipeline Stock Chart Keyera Stock Chart Topaz Energy Stock Chart Gibson Energy Stock Chart Tidewater Midstream and Infrastructure Stock Chart Enbridge Stock Chart TC Energy Stock Chart Cenovus Energy Stock Chart Cameco Stock Chart Tourmaline Oil Stock Chart Receive ALA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AltaGas and its competitors with MarketBeat's FREE daily newsletter. 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