The WACC of ONEOK Inc (OKE) is 6.2%.
| Range | Selected | |
| Cost of equity | 6.20% - 8.30% | 7.25% |
| Tax rate | 23.60% - 23.80% | 23.70% |
| Cost of debt | 4.60% - 5.00% | 4.80% |
| WACC | 5.5% - 7.0% | 6.2% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.51 | 0.61 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.20% | 8.30% |
| Tax rate | 23.60% | 23.80% |
| Debt/Equity ratio | 0.38 | 0.38 |
| Cost of debt | 4.60% | 5.00% |
| After-tax WACC | 5.5% | 7.0% |
| Selected WACC | 6.2% | |