The WACC of Westinghouse Air Brake Technologies Corp (WAB) is 9.3%.
| Range | Selected | |
| Cost of equity | 8.20% - 11.60% | 9.90% |
| Tax rate | 24.70% - 25.40% | 25.05% |
| Cost of debt | 4.40% - 4.80% | 4.60% |
| WACC | 7.7% - 10.8% | 9.3% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.95 | 1.2 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.20% | 11.60% |
| Tax rate | 24.70% | 25.40% |
| Debt/Equity ratio | 0.11 | 0.11 |
| Cost of debt | 4.40% | 4.80% |
| After-tax WACC | 7.7% | 10.8% |
| Selected WACC | 9.3% | |