The WACC of PTC Therapeutics Inc (PTCT) is 7.4%.
| Range | Selected | |
| Cost of equity | 6.60% - 11.60% | 9.10% |
| Tax rate | 4.90% - 6.40% | 5.65% |
| Cost of debt | 4.00% - 7.00% | 5.50% |
| WACC | 5.4% - 9.4% | 7.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.59 | 1.2 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.60% | 11.60% |
| Tax rate | 4.90% | 6.40% |
| Debt/Equity ratio | 0.78 | 0.78 |
| Cost of debt | 4.00% | 7.00% |
| After-tax WACC | 5.4% | 9.4% |
| Selected WACC | 7.4% | |