The WACC of Groupe Open SA (OPN.PA) is 7.1%.
| Range | Selected | |
| Cost of equity | 6.60% - 8.60% | 7.60% |
| Tax rate | 43.00% - 48.00% | 45.50% |
| Cost of debt | 4.00% - 4.50% | 4.25% |
| WACC | 6.2% - 8.0% | 7.1% |
| Category | Low | High |
| Long-term bond rate | 2.6% | 3.1% |
| Equity market risk premium | 5.2% | 6.2% |
| Adjusted beta | 0.77 | 0.8 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.60% | 8.60% |
| Tax rate | 43.00% | 48.00% |
| Debt/Equity ratio | 0.09 | 0.09 |
| Cost of debt | 4.00% | 4.50% |
| After-tax WACC | 6.2% | 8.0% |
| Selected WACC | 7.1% | |