The WACC of Arena Pharmaceuticals Inc (ARNA) is 7.1%.
| Range | Selected | |
| Cost of equity | 6.00% - 8.30% | 7.15% |
| Tax rate | 27.00% - 27.00% | 27.00% |
| Cost of debt | 7.00% - 9.10% | 8.05% |
| WACC | 5.9% - 8.3% | 7.1% |
| Category | Low | High |
| Long-term bond rate | 3.2% | 3.7% |
| Equity market risk premium | 4.2% | 5.2% |
| Adjusted beta | 0.66 | 0.79 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.00% | 8.30% |
| Tax rate | 27.00% | 27.00% |
| Debt/Equity ratio | 0.01 | 0.01 |
| Cost of debt | 7.00% | 9.10% |
| After-tax WACC | 5.9% | 8.3% |
| Selected WACC | 7.1% | |