The WACC of Phillips 66 (PSX) is 7.3%.
| Range | Selected | |
| Cost of equity | 7.50% - 9.80% | 8.65% |
| Tax rate | 20.60% - 22.70% | 21.65% |
| Cost of debt | 4.10% - 5.10% | 4.60% |
| WACC | 6.4% - 8.3% | 7.3% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.79 | 0.89 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.50% | 9.80% |
| Tax rate | 20.60% | 22.70% |
| Debt/Equity ratio | 0.36 | 0.36 |
| Cost of debt | 4.10% | 5.10% |
| After-tax WACC | 6.4% | 8.3% |
| Selected WACC | 7.3% | |