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AltaGas (ALA) Stock Chart & Stock Price History

AltaGas logo
C$53.03 -0.84 (-1.56%)
As of 04:00 PM Eastern

AltaGas Stock Price Performance

The AltaGas (ALA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 41.38%, with a year-to-date return of 26.71%. In the past month, the stock has increased 7.70%, reflecting recent market activity.

As of the latest close, AltaGas traded at C$53.87 with a market cap of C$16.78 billion and volume of 1.01 million shares. Five years ago, the stock traded at C$24.14, representing a 119.68% increase over that period. At the time, it had a market cap of C$6.75 billion and a volume of 771,930 shares.

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5 Day
Performance
-0.26%
1 Month
Performance
+7.70%
3 Month
Performance
+17.37%
Year-To-Date
Performance
+26.71%
1 Year
Performance
+41.38%
5 Year
Performance
+119.68%

ALA Stock Chart for Wednesday, May, 20, 2026

AltaGas Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/20/2026C$53.87C$53.03
-1.56%
C$54.58C$52.98836,125 shsC$16.52 billion
05/19/2026C$53.17C$53.87
+1.32%
C$54.06C$52.791.01 million shsC$16.78 billion
05/18/2026C$53.17C$53.17C$53.41C$52.81909,097 shsC$16.57 billion
05/15/2026C$52.82C$53.17
+0.66%
C$53.41C$52.81909,097 shsC$16.57 billion
05/14/2026C$52.25C$52.82
+1.09%
C$52.88C$52.29850,898 shsC$16.46 billion
05/13/2026C$52.03C$52.25
+0.42%
C$52.25C$51.81596,183 shsC$16.28 billion
05/12/2026C$51.51C$52.03
+1.01%
C$52.32C$51.75725,560 shsC$16.21 billion
05/11/2026C$50.77C$51.51
+1.46%
C$51.80C$50.841.04 million shsC$16.05 billion
05/08/2026C$50.82C$50.77
-0.10%
C$51.46C$50.65621,566 shsC$15.83 billion
05/07/2026C$50.79C$50.82
+0.06%
C$50.83C$49.66815,821 shsC$15.83 billion
05/06/2026C$52.03C$50.79
-2.38%
C$51.77C$50.601.20 million shsC$15.82 billion
05/05/2026N/AC$52.03C$53.06C$52.001.07 million shsC$16.20 billion
04/30/2026C$50.64C$50.91
+0.53%
C$52.30C$50.051.62 million shsC$15.84 billion
04/29/2026C$50.31C$50.64
+0.66%
C$51.19C$50.26810,419 shsC$15.76 billion
04/28/2026C$50.27C$50.31
+0.08%
C$50.89C$50.261.59 million shsC$15.66 billion
04/27/2026C$49.82C$50.27
+0.90%
C$50.44C$49.68800,466 shsC$15.64 billion
04/24/2026C$49.73C$49.82
+0.18%
C$50.00C$49.37679,257 shsC$15.50 billion
04/23/2026C$48.21C$49.73
+3.15%
C$49.96C$48.32794,753 shsC$15.47 billion
04/22/2026C$48.82C$48.21
-1.25%
C$49.08C$48.19639,267 shsC$15.00 billion
04/21/2026C$49.24C$48.82
-0.85%
C$49.33C$48.371.05 million shsC$15.19 billion
04/20/2026C$48.89C$49.24
+0.72%
C$49.47C$48.52649,686 shsC$15.32 billion

This page (TSE:ALA) was last updated on 5/20/2026 by MarketBeat.com Staff.
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