The WACC of Ironwood Pharmaceuticals Inc (IRWD) is 6.4%.
| Range | Selected | |
| Cost of equity | 6.50% - 9.60% | 8.05% |
| Tax rate | 6.30% - 17.50% | 11.90% |
| Cost of debt | 4.00% - 5.10% | 4.55% |
| WACC | 5.4% - 7.5% | 6.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.57 | 0.84 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.50% | 9.60% |
| Tax rate | 6.30% | 17.50% |
| Debt/Equity ratio | 0.65 | 0.65 |
| Cost of debt | 4.00% | 5.10% |
| After-tax WACC | 5.4% | 7.5% |
| Selected WACC | 6.4% | |