ASTL vs STLD

For growth investors, Steel Dynamics, Inc.

(STLD) is the stronger pick with 3. 6% revenue growth year-over-year, versus -12. 2% for Algoma Steel Group Inc. (ASTL). Steel Dynamics, Inc. (STLD) offers the better valuation at 30. 3x trailing P/E (16. 2x forward), making it the more compelling value choice. Analysts rate Algoma Steel Group Inc. (ASTL) a "Buy" — based on 1 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

Over the past 5 years, Steel Dynamics, Inc.

(STLD) delivered a total return of +305. 6%, compared to -40. 7% for Algoma Steel Group Inc. (ASTL). Over 10 years, the gap is even starker: STLD returned +918. 7% versus ASTL's -40. 4%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Steel Dynamics, Inc.

(STLD) is the lower-risk stock at 1. 32β versus Algoma Steel Group Inc. 's 2. 23β — meaning ASTL is approximately 68% more volatile than STLD relative to the S&P 500. On balance sheet safety, Algoma Steel Group Inc. (ASTL) carries a lower debt/equity ratio of 45% versus 47% for Steel Dynamics, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Steel Dynamics, Inc.

(STLD) is pulling ahead at 3. 6% versus -12. 2% for Algoma Steel Group Inc. (ASTL). On earnings-per-share growth, the picture is similar: Steel Dynamics, Inc. grew EPS -18. 8% year-over-year, compared to -392. 9% for Algoma Steel Group Inc.. Over a 3-year CAGR, STLD leads at -6. 5% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Steel Dynamics, Inc.

(STLD) is the more profitable company, earning 6. 5% net margin versus -9. 1% for Algoma Steel Group Inc. — meaning it keeps 6. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: STLD leads at 8. 1% versus -12. 0% for ASTL. At the gross margin level — before operating expenses — STLD leads at 13. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

All stocks in this comparison pay dividends.

Algoma Steel Group Inc. (ASTL) offers the highest yield at 3. 8%, versus 0. 8% for Steel Dynamics, Inc. (STLD).

For long-horizon retirement investors, Steel Dynamics, Inc.

(STLD) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (0. 8% yield, +918. 7% 10Y return). Algoma Steel Group Inc. (ASTL) carries a higher beta of 2. 23 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (STLD: +918. 7%, ASTL: -40. 4%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Basic Materials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: ASTL is a small-cap income-oriented stock; STLD is a mid-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.