The WACC of ONEOK Inc (OKE) is 6.1%.
| Range | Selected | |
| Cost of equity | 6.10% - 7.80% | 6.95% |
| Tax rate | 23.60% - 23.80% | 23.70% |
| Cost of debt | 4.60% - 5.00% | 4.80% |
| WACC | 5.4% - 6.8% | 6.1% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.48 | 0.53 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.10% | 7.80% |
| Tax rate | 23.60% | 23.80% |
| Debt/Equity ratio | 0.36 | 0.36 |
| Cost of debt | 4.60% | 5.00% |
| After-tax WACC | 5.4% | 6.8% |
| Selected WACC | 6.1% | |