The WACC of Halliburton Co (HAL) is 7.9%.
| Range | Selected | |
| Cost of equity | 7.80% - 10.20% | 9.00% |
| Tax rate | 13.80% - 18.70% | 16.25% |
| Cost of debt | 4.80% - 5.30% | 5.05% |
| WACC | 6.9% - 8.8% | 7.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.85 | 0.95 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.80% | 10.20% |
| Tax rate | 13.80% | 18.70% |
| Debt/Equity ratio | 0.31 | 0.31 |
| Cost of debt | 4.80% | 5.30% |
| After-tax WACC | 6.9% | 8.8% |
| Selected WACC | 7.9% | |