The WACC of ONEOK Inc (OKE) is 5.9%.
| Range | Selected | |
| Cost of equity | 5.90% - 7.80% | 6.85% |
| Tax rate | 23.60% - 23.80% | 23.70% |
| Cost of debt | 5.00% - 5.10% | 5.05% |
| WACC | 5.2% - 6.6% | 5.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.44 | 0.51 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.90% | 7.80% |
| Tax rate | 23.60% | 23.80% |
| Debt/Equity ratio | 0.44 | 0.44 |
| Cost of debt | 5.00% | 5.10% |
| After-tax WACC | 5.2% | 6.6% |
| Selected WACC | 5.9% | |