The WACC of Gulf Keystone Petroleum Ltd (GKP.L) is 8.8%.
| Range | Selected | |
| Cost of equity | 7.60% - 10.00% | 8.80% |
| Tax rate | 0.60% - 0.60% | 0.60% |
| Cost of debt | 7.50% - 7.50% | 7.50% |
| WACC | 7.6% - 10.0% | 8.8% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.61 | 0.72 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.60% | 10.00% |
| Tax rate | 0.60% | 0.60% |
| Debt/Equity ratio | 0 | 0 |
| Cost of debt | 7.50% | 7.50% |
| After-tax WACC | 7.6% | 10.0% |
| Selected WACC | 8.8% | |