The WACC of Spirax-Sarco Engineering PLC (SPX.L) is 10.1%.
| Range | Selected | |
| Cost of equity | 10.20% - 12.60% | 11.40% |
| Tax rate | 26.30% - 27.20% | 26.75% |
| Cost of debt | 4.10% - 5.10% | 4.60% |
| WACC | 9.0% - 11.1% | 10.1% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 1.04 | 1.09 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 10.20% | 12.60% |
| Tax rate | 26.30% | 27.20% |
| Debt/Equity ratio | 0.2 | 0.2 |
| Cost of debt | 4.10% | 5.10% |
| After-tax WACC | 9.0% | 11.1% |
| Selected WACC | 10.1% | |