The WACC of Castellum AB (CAST.ST) is 5.5%.
| Range | Selected | |
| Cost of equity | 5.80% - 8.40% | 7.10% |
| Tax rate | 18.70% - 20.30% | 19.50% |
| Cost of debt | 4.00% - 5.70% | 4.85% |
| WACC | 4.5% - 6.5% | 5.5% |
| Category | Low | High |
| Long-term bond rate | 2.5% | 3.0% |
| Equity market risk premium | 5.1% | 6.1% |
| Adjusted beta | 0.65 | 0.81 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.80% | 8.40% |
| Tax rate | 18.70% | 20.30% |
| Debt/Equity ratio | 1 | 1 |
| Cost of debt | 4.00% | 5.70% |
| After-tax WACC | 4.5% | 6.5% |
| Selected WACC | 5.5% | |