The WACC of Alexion Pharmaceuticals Inc (ALXN) is 7.8%.
| Range | Selected | |
| Cost of equity | 6.20% - 10.00% | 8.10% |
| Tax rate | 10.60% - 18.70% | 14.65% |
| Cost of debt | 4.00% - 4.50% | 4.25% |
| WACC | 6.1% - 9.6% | 7.8% |
| Category | Low | High |
| Long-term bond rate | 3.2% | 3.7% |
| Equity market risk premium | 4.2% | 5.2% |
| Adjusted beta | 0.72 | 1.12 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.20% | 10.00% |
| Tax rate | 10.60% | 18.70% |
| Debt/Equity ratio | 0.07 | 0.07 |
| Cost of debt | 4.00% | 4.50% |
| After-tax WACC | 6.1% | 9.6% |
| Selected WACC | 7.8% | |