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Algoma Steel Group (ASTL) Stock Chart & Stock Price History

Algoma Steel Group logo
$4.36 -0.07 (-1.58%)
Closing price 09/23/2026 04:00 PM Eastern
Extended Trading
$4.23 -0.13 (-2.94%)
As of 05:37 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Algoma Steel Group Stock Price Performance

The Algoma Steel Group (ASTL) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 4.81%, with a year-to-date return of 6.34%. In the past month, the stock has increased 8.73%, reflecting recent market activity.

As of the latest close, Algoma Steel Group traded at $4.36 with a market cap of $460.68 million and volume of 526,279 shares.

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5 Day
Performance
+2.59%
1 Month
Performance
+8.73%
3 Month
Performance
+9.60%
Year-To-Date
Performance
+6.34%
1 Year
Performance
+4.81%

ASTL Stock Chart for Thursday, September, 24, 2026

Algoma Steel Group Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/23/2026$4.43$4.36
-1.58%
$4.44$4.29526,279 shs$460.68 million
09/22/2026$4.27$4.43
+3.75%
$4.44$4.25584,154 shs$468.07 million
09/21/2026$4.25$4.27
+0.47%
$4.33$4.21509,709 shs$451.17 million
09/18/2026$4.42$4.25
-3.85%
$4.45$4.19841,058 shs$449.06 million
09/17/2026$4.24$4.42
+4.25%
$4.46$4.28675,989 shs$467.02 million
09/16/2026$4.20$4.24
+0.95%
$4.32$4.15859,773 shs$448.00 million
09/15/2026$4.24$4.20
-0.94%
$4.27$4.17972,748 shs$443.78 million
09/14/2026$4.26$4.24
-0.47%
$4.28$4.13744,507 shs$448.00 million
09/11/2026$4.30$4.26
-0.93%
$4.37$4.17673,687 shs$450.11 million
09/10/2026$4.35$4.30
-1.15%
$4.30$4.14764,278 shs$454.34 million
09/09/2026$4.41$4.35
-1.36%
$4.45$4.35649,558 shs$459.63 million
09/08/2026$4.71$4.41
-6.37%
$4.73$4.40617,278 shs$465.96 million
09/07/2026$4.71$4.71$4.76$4.42827,485 shs$497.66 million
09/04/2026$4.45$4.71
+5.84%
$4.76$4.42827,485 shs$497.66 million
09/03/2026$4.39$4.45
+1.37%
$4.52$4.301.12 million shs$470.19 million
09/02/2026$4.13$4.39
+6.30%
$4.43$4.11697,613 shs$463.85 million
09/01/2026$4.20$4.13
-1.67%
$4.19$4.05752,107 shs$436.38 million
08/31/2026$4.18$4.20
+0.48%
$4.25$4.13691,585 shs$443.78 million
08/28/2026$4.29$4.18
-2.56%
$4.40$4.161.04 million shs$441.66 million
08/27/2026$4.16$4.29
+3.13%
$4.32$4.16829,795 shs$453.28 million
08/26/2026$3.99$4.16
+4.26%
$4.20$3.91959,694 shs$439.55 million
08/25/2026$4.01$3.99
-0.50%
$4.09$3.92839,552 shs$421.59 million
08/24/2026$4.65$4.01
-13.76%
$4.45$4.001.83 million shs$423.70 million

This page (NASDAQ:ASTL) was last updated on 9/23/2026 by MarketBeat.com Staff.
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