The WACC of Constellium SE (CSTM) is 8.1%.
| Range | Selected | |
| Cost of equity | 11.10% - 14.30% | 12.70% |
| Tax rate | 29.30% - 40.50% | 34.90% |
| Cost of debt | 5.60% - 7.00% | 6.30% |
| WACC | 7.3% - 8.9% | 8.1% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.57 | 1.68 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 11.10% | 14.30% |
| Tax rate | 29.30% | 40.50% |
| Debt/Equity ratio | 1.15 | 1.15 |
| Cost of debt | 5.60% | 7.00% |
| After-tax WACC | 7.3% | 8.9% |
| Selected WACC | 8.1% | |