Go Pro

AltaGas (ATGFF) Stock Chart & Stock Price History

AltaGas logo
$36.64 0.00 (0.00%)
As of 07/2/2026 01:42 PM Eastern

AltaGas Stock Price Performance

The AltaGas (ATGFF) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 29.06%, with a year-to-date return of 20.21%. In the past month, the stock has decreased 8.35%, reflecting recent market activity.

As of the latest close, AltaGas traded at $36.64 with a market cap of and volume of 43,218 shares. Five years ago, the stock traded at $21.27, representing a 72.26% increase over that period. At the time, it had a market cap of and a volume of 1,732 shares.

Receive ATGFF Stock News and Ratings via Email

Sign-up to receive the latest news and ratings for AltaGas and its competitors with MarketBeat's FREE daily newsletter.

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
5 Day
Performance
-0.87%
1 Month
Performance
-8.35%
3 Month
Performance
+4.66%
Year-To-Date
Performance
+20.21%
1 Year
Performance
+29.06%
5 Year
Performance
+72.26%

ATGFF Stock Chart for Sunday, July, 5, 2026

AltaGas Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
07/03/2026$36.64$36.64$36.71$36.3643,218 shs$0.00
07/02/2026$36.45$36.64
+0.52%
$36.71$36.3643,218 shs$0.00
07/01/2026$36.96$36.45
-1.38%
$36.57$36.45506 shs$0.00
06/30/2026$37.49$36.96
-1.41%
$37.46$36.96125,689 shs$0.00
06/29/2026$38.17$37.49
-1.78%
$37.49$37.4966,482 shs$0.00
06/26/2026$38.40$38.17
-0.60%
$38.17$38.17170,101 shs$0.00
06/25/2026$38.20$38.40
+0.52%
$38.40$38.12112,548 shs$0.00
06/24/2026$38.00$38.20
+0.54%
$38.23$37.9873,022 shs$0.00
06/23/2026$37.57$38.00
+1.13%
$38.20$38.0015,527 shs$0.00
06/22/2026$37.57$37.57$37.57$37.5794,467 shs$0.00
06/19/2026$37.57$37.57$37.57$37.5794,467 shs$0.00
06/18/2026$38.18$37.57
-1.60%
$37.57$37.5794,467 shs$0.00
06/17/2026$38.77$38.18
-1.52%
$38.35$38.1853,191 shs$0.00
06/16/2026$39.40$38.77
-1.60%
$38.77$38.7736,556 shs$0.00
06/15/2026$39.93$39.40
-1.33%
$39.40$38.8312,301 shs$0.00
06/12/2026$39.93$39.93$40.15$39.93156,061 shs$0.00
06/11/2026$40.17$39.93
-0.60%
$40.15$39.93156,061 shs$0.00
06/10/2026$39.42$40.17
+1.90%
$40.17$39.84146,876 shs$0.00
06/09/2026$39.98$39.42
-1.40%
$39.42$38.8916,834 shs$0.00
06/08/2026$39.98$39.98$40.16$39.9838,308 shs$0.00
06/05/2026$39.83$39.98
+0.38%
$40.16$39.9838,308 shs$0.00
06/04/2026$39.54$39.83
+0.73%
$39.93$39.5230,580 shs$0.00

This page (OTCMKTS:ATGFF) was last updated on 7/5/2026 by MarketBeat.com Staff.
From Our Partners