The WACC of Westinghouse Air Brake Technologies Corp (WAB) is 9.1%.
| Range | Selected | |
| Cost of equity | 8.20% - 11.50% | 9.85% |
| Tax rate | 24.70% - 25.40% | 25.05% |
| Cost of debt | 4.40% - 4.80% | 4.60% |
| WACC | 7.6% - 10.6% | 9.1% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.93 | 1.18 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.20% | 11.50% |
| Tax rate | 24.70% | 25.40% |
| Debt/Equity ratio | 0.12 | 0.12 |
| Cost of debt | 4.40% | 4.80% |
| After-tax WACC | 7.6% | 10.6% |
| Selected WACC | 9.1% | |