The WACC of Alten SA (ATE.PA) is 8.5%.
| Range | Selected | |
| Cost of equity | 7.70% - 10.40% | 9.05% |
| Tax rate | 27.30% - 27.60% | 27.45% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 7.3% - 9.7% | 8.5% |
| Category | Low | High |
| Long-term bond rate | 3.0% | 3.5% |
| Equity market risk premium | 5.8% | 6.8% |
| Adjusted beta | 0.82 | 0.94 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.70% | 10.40% |
| Tax rate | 27.30% | 27.60% |
| Debt/Equity ratio | 0.11 | 0.11 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 7.3% | 9.7% |
| Selected WACC | 8.5% | |