ATI (ATI) vs Steel Dynamics (STLD)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
ATI (ATI) has outperformed Steel Dynamics (STLD) over the past year, gaining 126.5% versus a gain of 64.0%. Over five years, ATI leads with a +1000.6% price change compared with +278.3% for STLD. Steel Dynamics is the larger company by market cap ($33.55 billion vs $25.76 billion), about 1.3 times the size, while ATI is growing revenue faster (+5.2% vs +3.6%).
On valuation, Steel Dynamics trades at a lower forward P/E (12.0x vs 29.7x for ATI). Steel Dynamics pays a dividend yielding 0.88%, while ATI does not currently pay one. ATI converts more of its revenue into profit, with a net margin of 8.8% versus 6.5%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ATI | STLD |
|---|---|---|
| Share price | $189.19 | $234.09 |
| Market cap | $25.76B | $33.55B |
| 1-day change | -2.83% | -1.71% |
| YTD return | +64.86% | +38.15% |
| 1-year return | +126.55% | +64.01% |
| 5-year return | +1000.58% | +278.30% |
| P/E ratio (TTM) | 55.48 | 21.22 |
| Forward P/E | 29.69 | 11.97 |
| EPS (TTM) | $3.41 | $11.03 |
| Dividend yield | 0.00% | 0.88% |
| Annual dividend | $0.00 | $2.06 |
| Revenue (latest FY) | $4.59B | $18.18B |
| Revenue growth (YoY) | +5.16% | +3.63% |
| Net income (latest FY) | $404.30M | $1.19B |
| Gross margin | 21.95% | 13.16% |
| Operating margin | 13.97% | 8.12% |
| Net margin | 8.81% | 6.52% |
| 52-week high | $243.57 | $288.74 |
| 52-week low | $79.29 | $140.87 |
| Distance from 52-week high | -22.33% | -18.93% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +35.31% | +15.75% |
| Average volume | 1.65M | 1.12M |
| Shares outstanding | 136.17M | 143.33M |
| Employees | 7,600 | 14,400 |
| Sector | Industrials | Industrials |
| Industry | Steel/Iron Ore | Steel/Iron Ore |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- ATI has outperformed STLD by 62.5 percentage points over the past year.
- ATI trades at a higher earnings multiple (55.5x vs 21.2x trailing P/E).
About ATI
ATI stock →ATI Inc. produces and sells specialty materials and complex components worldwide.
Industrials · Steel/Iron Ore · 7,600 employees
About Steel Dynamics
STLD stock →Steel Dynamics, Inc., together with its subsidiaries, operates as a steel producer and metal recycler in the United States. It operates through four segments: Steel Operations, Metals Recycling Operations, Steel Fabrication Operations, and Aluminum Operations.
Industrials · Steel/Iron Ore · 14,400 employees
ATI vs STLD FAQ
Which is bigger, ATI or Steel Dynamics?
Steel Dynamics (STLD) is larger, with a market capitalization of $33.55B compared with $25.76B for ATI (ATI).
Which stock has performed better over the past year, ATI or STLD?
ATI returned +126.55% over the past 12 months, compared with +64.01% for STLD (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, ATI or STLD?
STLD has the lower trailing P/E at 21.2, versus 55.5 for ATI. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, ATI or Steel Dynamics?
Steel Dynamics pays a dividend yielding 0.88%, while ATI does not currently pay a regular dividend.
Are ATI and Steel Dynamics in the same industry?
Yes. Both are classified in the Steel/Iron Ore industry within the Industrials sector.