AltaGas (ALA) Stock Chart & Stock Price History C$40.00 -0.04 (-0.10%) As of 04/17/2025 04:16 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesBuy This Stock AltaGas Stock Price Performance 5 Day Performance+4.74%1 Month Performance+6.02%3 Month Performance+14.35%6 Month Performance+12.04%Year-To-Date Performance+19.47%1 Year Performance+35.73% 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 Friday, April, 18, 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 Capitalization04/17/2025C$40.04C$40.00-0.10%C$40.35C$39.69729,196 shsC$11.91 billion04/16/2025C$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 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. 04/07/2025C$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 billion03/28/2025C$38.67C$38.99+0.83%C$39.20C$38.401.21 million shsC$11.61 billion03/27/2025C$38.98C$38.67-0.80%C$39.03C$38.63932,344 shsC$11.51 billion03/26/2025C$39.05C$38.98-0.18%C$39.26C$38.89456,273 shsC$11.60 billion03/25/2025C$38.52C$39.05+1.38%C$39.28C$38.50983,513 shsC$11.62 billion03/24/2025C$38.51C$38.52+0.03%C$38.75C$38.34719,303 shsC$11.47 billion03/21/2025C$38.37C$38.51+0.36%C$38.60C$38.211.04 million shsC$11.46 billion03/20/2025C$37.76C$38.37+1.62%C$38.40C$37.77900,693 shsC$11.42 billion03/19/2025C$37.73C$37.76+0.08%C$37.82C$37.39626,735 shsC$11.24 billion03/18/2025C$37.34C$37.73+1.04%C$37.73C$37.231.89 million shsC$11.23 billion03/17/2025C$38.03C$37.34-1.81%C$37.91C$37.071.59 million shsC$11.12 billion Related Companies Pembina Pipeline Stock Chart Keyera Stock Chart Gibson Energy Stock Chart Topaz Energy Stock Chart Tidewater Midstream and Infrastructure Stock Chart Enbridge Stock Chart TC Energy Stock Chart Imperial Oil Stock Chart Cenovus Energy Stock Chart Cameco 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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