The WACC of Windar Photonics PLC (WPHO.L) is 6.9%.
| Range | Selected | |
| Cost of equity | 5.40% - 8.50% | 6.95% |
| Tax rate | 16.50% - 17.40% | 16.95% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 5.4% - 8.4% | 6.9% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.24 | 0.51 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.40% | 8.50% |
| Tax rate | 16.50% | 17.40% |
| Debt/Equity ratio | 0.04 | 0.04 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 5.4% | 8.4% |
| Selected WACC | 6.9% | |