AltaGas (ATGFF) Stock Chart & Stock Price History $28.89 +0.34 (+1.19%) As of 04/17/2025 02:52 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartHeadlinesSEC FilingsShort InterestBuy This Stock AltaGas Stock Price Performance 5 Day Performance+2.74%1 Month Performance+10.77%3 Month Performance+19.43%6 Month Performance+11.99%Year-To-Date Performance+23.82%1 Year Performance+32.77% Receive ATGFF 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 ATGFF Stock Chart for Saturday, April, 19, 2025 ATGFF 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 Capitalization04/18/2025$28.89$28.89$28.95$28.8847,920 shs$0.0004/17/2025$28.55$28.89+1.19%$28.95$28.8847,920 shs$0.0004/16/2025$28.37$28.55+0.63%$28.55$28.50129,712 shs$0.0004/15/2025$28.12$28.37+0.89%$28.45$28.2762,047 shs$0.0004/14/2025$27.46$28.12+2.40%$28.18$27.9439,372 shs$0.0004/11/2025$27.05$27.46+1.52%$27.63$27.2062,890 shs$0.0004/10/2025$26.11$27.05+3.60%$27.31$26.56174,014 shs$0.0004/09/2025$25.37$26.11+2.92%$26.11$25.6689,614 shs$0.0004/09/2025$25.37$26.11+2.92%$26.11$25.6689,614 shs$0.0004/08/2025$25.76$25.37-1.51%$26.08$25.3614,805 shs$0.00 Get the Latest News and Ratings for ATGFF 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. 04/08/2025$25.76$25.37-1.51%$26.08$25.3614,805 shs$0.0004/07/2025$26.15$25.76-1.47%$25.80$24.7755,303 shs$0.0004/04/2025$27.74$26.15-5.76%$27.03$26.0980,503 shs$0.0004/03/2025$27.64$27.74+0.37%$28.50$27.7476,368 shs$0.0004/02/2025$27.78$27.64-0.50%$27.99$27.6493,490 shs$0.0004/01/2025$27.41$27.78+1.34%$27.80$27.5513,607 shs$0.0003/31/2025$27.31$27.41+0.37%$27.44$27.418,006 shs$0.0003/28/2025$27.07$27.31+0.89%$27.33$27.0363,294 shs$0.0003/27/2025$27.29$27.07-0.80%$27.25$27.0768,285 shs$0.0003/26/2025$27.35$27.29-0.22%$27.50$27.2315,745 shs$0.0003/25/2025$26.90$27.35+1.67%$27.35$27.2842,076 shs$0.0003/24/2025$26.80$26.90+0.37%$27.50$26.9081,211 shs$0.0003/21/2025$26.80$26.80$26.80$26.488,293 shs$0.0003/20/2025$26.08$26.80+2.76%$26.80$26.488,293 shs$0.0003/19/2025$26.08$26.08$26.08$26.0898,554 shs$0.0003/18/2025$26.08$26.08$26.52$26.07180,861 shs$0.00 Related Companies AMIH Stock Price Chart ARHVF Stock Price Chart AKVA Stock Price Chart BKRP Stock Price Chart BPIGF Stock Price Chart BNXR Stock Price Chart CDVIQ Stock Price Chart CYPE Stock Price Chart CHKEZ Stock Price Chart CHKEW Stock Price Chart Receive ATGFF 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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