Algoma Steel Group - 5 Year Stock Price History | ASTL

Historical daily share price chart and data for Algoma Steel Group since 2021 adjusted for splits and dividends. The latest closing stock price for Algoma Steel Group as of September 18, 2026 is 4.25.
  • The all-time high Algoma Steel Group stock closing price was 11.88 on November 11, 2021.
  • The Algoma Steel Group 52-week high stock price is 5.90, which is 38.8% above the current share price.
  • The Algoma Steel Group 52-week low stock price is 3.02, which is 28.9% below the current share price.
  • The average Algoma Steel Group stock price for the last 52 weeks is 4.31.
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Algoma Steel Group Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 4.4359 3.9200 5.8000 3.4600 4.2500 3.66%
2025 5.5344 9.5463 9.5463 3.1900 4.1000 -57.40%
2024 8.6960 9.1679 11.7645 6.6468 9.6250 -0.25%
2023 7.1078 5.8631 9.8317 5.5821 9.6489 62.49%
2022 8.0595 9.6440 11.1249 5.3199 5.9381 -39.91%
Sector Industry Market Cap Revenue
Basic Materials Steel Producers $0.449B $1.493B
Algoma Steel Group Inc. is a fully integrated producer of hot and cold rolled steel products including sheet and plate. Algoma Steel Group Inc., formerly known as Legato Merger Corp., is based in NEW YORK.
Stock Name Country Market Cap PE Ratio
Nucor (NUE) United States $56.351B 19.98
ArcelorMittal (MT) Luxembourg $56.211B 23.25
Steel Dynamics (STLD) United States $33.719B 21.12
Nippon Steel & Sumitomo Metal (NPSCY) Japan $24.128B 0.00
Ternium S.A (TX) Luxembourg $11.473B 16.08
SSAB (SSAAY) Sweden $11.102B 18.57
ThyssenKrupp AG (TKAMY) Germany $10.901B 15.50
ThyssenKrupp AG (TYEKF) Germany $10.770B 15.31
Gerdau S.A (GGB) Brazil $9.698B 11.76
Commercial Metals (CMC) United States $7.135B 10.57
Cleveland-Cliffs (CLF) United States $7.132B 0.00
Acerinox (ANIOY) Spain $4.967B 76.61
Aperam (APEMY) Luxembourg $3.879B 44.54
Salzgitter AG (SZGPY) Germany $3.245B 50.00
Outokumpu (OUTKY) Finland $2.829B 0.00
Jfe Holdings (JFEEF) Japan $2.182B 12.97
National Steel (SID) Brazil $1.459B 0.00
Usinas Siderurgicas De Minas Gerais SA (USNZY) Brazil $0.767B 7.37
Olympic Steel (ZEUS) United States $0.536B 46.47
L.B Foster (FSTR) United States $0.394B 30.17
ZK Group (ZKIN) China $0.007B 0.00
Mechel PAO (MTL) Russia $0.000B 0.00