The WACC of Constellium SE (CSTM) is 8.3%.
| Range | Selected | |
| Cost of equity | 13.00% - 17.20% | 15.10% |
| Tax rate | 26.20% - 27.00% | 26.60% |
| Cost of debt | 5.10% - 7.00% | 6.05% |
| WACC | 7.1% - 9.5% | 8.3% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.99 | 2.2 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 13.00% | 17.20% |
| Tax rate | 26.20% | 27.00% |
| Debt/Equity ratio | 1.78 | 1.78 |
| Cost of debt | 5.10% | 7.00% |
| After-tax WACC | 7.1% | 9.5% |
| Selected WACC | 8.3% | |