The WACC of Ambac Financial Group Inc (AMBC) is 4.7%.
| Range | Selected | |
| Cost of equity | 7.40% - 11.10% | 9.25% |
| Tax rate | 10.70% - 33.80% | 22.25% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 4.9% - 4.5% | 4.7% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.77 | 1.12 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.40% | 11.10% |
| Tax rate | 10.70% | 33.80% |
| Debt/Equity ratio | 5.79 | 5.79 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 4.9% | 4.5% |
| Selected WACC | 4.7% | |