The WACC of STM Group PLC (STM.L) is 6.3%.
| Range | Selected | |
| Cost of equity | 5.60% - 7.80% | 6.70% |
| Tax rate | 17.60% - 30.30% | 23.95% |
| Cost of debt | 4.00% - 5.20% | 4.60% |
| WACC | 5.3% - 7.2% | 6.3% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.27 | 0.4 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.60% | 7.80% |
| Tax rate | 17.60% | 30.30% |
| Debt/Equity ratio | 0.16 | 0.16 |
| Cost of debt | 4.00% | 5.20% |
| After-tax WACC | 5.3% | 7.2% |
| Selected WACC | 6.3% | |