The WACC of Alleghany Corp (Y) is 6.8%.
| Range | Selected | |
| Cost of equity | 6.60% - 8.50% | 7.55% |
| Tax rate | 22.60% - 29.60% | 26.10% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 6.0% - 7.5% | 6.8% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.59 | 0.64 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.60% | 8.50% |
| Tax rate | 22.60% | 29.60% |
| Debt/Equity ratio | 0.25 | 0.25 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 6.0% | 7.5% |
| Selected WACC | 6.8% | |