The WACC of Stef SA (STF.PA) is 6.0%.
| Range | Selected | |
| Cost of equity | 6.20% - 9.60% | 7.90% |
| Tax rate | 29.70% - 33.00% | 31.35% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 5.1% - 7.0% | 6.0% |
| Category | Low | High |
| Long-term bond rate | 3.0% | 3.5% |
| Equity market risk premium | 5.8% | 6.8% |
| Adjusted beta | 0.56 | 0.83 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.20% | 9.60% |
| Tax rate | 29.70% | 33.00% |
| Debt/Equity ratio | 0.74 | 0.74 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 5.1% | 7.0% |
| Selected WACC | 6.0% | |