CENX vs CSTM
CENX: Century Aluminum is a leading U.S.-based producer of primary aluminum, focused on delivering high-quality metal to domestic and global industrial markets. CSTM: Constellium is a leading designer and manufacturer of specialized aluminum products for critical applications in the automotive, aerospace, and packaging markets.
Side-by-side fundamentals
| Metric | CENX | CSTM | Edge |
|---|---|---|---|
| Price as of 2026-10-08 close | $36.38 | $25.60 | |
| Market cap | $3.6B | $3.5B | |
| P/E as of 2026-10-08 | 6.30 | 6.59 | CENX lower |
| Net margin FY2025, SEC XBRL | +1.7% | +3.2% | CSTM higher |
| Gross margin FY2025, SEC XBRL | +10.1% | n/a | |
| Operating margin FY2025, SEC XBRL | +6.3% | n/a | |
| ROE FY2025, SEC XBRL | +5.2% | +28.1% | CSTM higher |
| ROA FY2025, SEC XBRL | +2.0% | +5.1% | CSTM higher |
| Debt / equity as of 2026-09-03 | 0.36 | 1.54 | CENX lower |
| Revenue growth (YoY) as of 2026-09-03 | +9.7% | -26.6% | CENX higher |
| Revenue CAGR (3y) SEC XBRL | -3.1% | -0.3% | CSTM higher |
| Dividend streak (yrs) SEC XBRL | 0 | 0 | Tie |
| Beta as of 2026-09-03 | 1.72 | 1.64 | |
| 1-year return as of 2026-10-08 close | +15.1% | +69.4% | CSTM higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-08.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.