The WACC of Halliburton Co (HAL) is 6.9%.
| Range | Selected | |
| Cost of equity | 6.30% - 8.90% | 7.60% |
| Tax rate | 13.80% - 18.70% | 16.25% |
| Cost of debt | 5.10% - 5.30% | 5.20% |
| WACC | 5.9% - 7.9% | 6.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.53 | 0.71 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.30% | 8.90% |
| Tax rate | 13.80% | 18.70% |
| Debt/Equity ratio | 0.26 | 0.26 |
| Cost of debt | 5.10% | 5.30% |
| After-tax WACC | 5.9% | 7.9% |
| Selected WACC | 6.9% | |