$4.25
−3.85%Price chart
Aug 19Aug 24Aug 27Sep 1Sep 4Sep 10Sep 15Sep 18
Key dataSep 18, 2026
Open$4.41
From 52W high−26.72%
Volume654360.00
Market cap$447.90M
P/E (TTM)—
P/S (TTM)0.3x
Div yield—
Key dataSep 18, 2026
Open
$4.41
From 52W high
−26.72%
Volume
654360.00
Market cap
$447.90M
ValuationView details →
P/E (Fwd)
—
EV/EBITDA
−1.9x
P/E (TTM)
—
RSI (14)
48.3
MomentumView details →
1D Return
−3.85%
YTD Return
+3.05%
SummaryUpdated Jun 1, 2026
Algoma Steel Group Inc. (TSX:ASTL) is a Canadian steel producer founded in 1901 and headquartered in Sault Ste. Marie, Ontario. The company has operated for over a century as one of Canada's primary steel manufacturers, serving markets primarily across North America. Algoma went public in March 2021 and is currently undergoing a major transformation with the construction of a new Electric Arc Furnace (EAF) facility, which represents the largest capital investment in the company's history and aims to modernize operations while significantly reducing carbon emissions.
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Algoma Steel was fined $1.2 million after pleading guilty in an Ontario court to two federal environmental offences for a 2022 gear oil spill into the St. Marys River.9d agoAlgoma Steel pleaded guilty to an occupational health and safety offence under Ontario's Occupational Health and Safety Act and was fined $250,000 in connection with the June 2023 death of a 21-year-old contract employee.19d agoAlgoma Steel Group Inc. announced an unplanned outage at its Lake Superior Power generating facility after one turbine unit detected an abnormal condition and was automatically taken offline.35d ago