The WACC of Tristel PLC (TSTL.L) is 7.9%.
| Range | Selected | |
| Cost of equity | 6.90% - 9.20% | 8.05% |
| Tax rate | 19.90% - 27.10% | 23.50% |
| Cost of debt | 4.60% - 4.60% | 4.60% |
| WACC | 6.8% - 9.0% | 7.9% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.48 | 0.6 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.90% | 9.20% |
| Tax rate | 19.90% | 27.10% |
| Debt/Equity ratio | 0.03 | 0.03 |
| Cost of debt | 4.60% | 4.60% |
| After-tax WACC | 6.8% | 9.0% |
| Selected WACC | 7.9% | |