The WACC of Ironwood Pharmaceuticals Inc (IRWD) is 5.5%.
| Range | Selected | |
| Cost of equity | 7.20% - 10.20% | 8.70% |
| Tax rate | 6.30% - 17.50% | 11.90% |
| Cost of debt | 4.00% - 4.80% | 4.40% |
| WACC | 5.0% - 6.1% | 5.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.72 | 0.95 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.20% | 10.20% |
| Tax rate | 6.30% | 17.50% |
| Debt/Equity ratio | 1.86 | 1.86 |
| Cost of debt | 4.00% | 4.80% |
| After-tax WACC | 5.0% | 6.1% |
| Selected WACC | 5.5% | |