The WACC of Marinus Pharmaceuticals Inc (MRNS) is 5.5%.
| Range | Selected | |
| Cost of equity | 5.10% - 7.50% | 6.30% |
| Tax rate | 26.20% - 27.00% | 26.60% |
| Cost of debt | 7.00% - 7.00% | 7.00% |
| WACC | 5.1% - 5.8% | 5.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.16 | 0.39 |
| Additional risk adjustments | 0.5% | 1.0% |
| Cost of equity | 5.10% | 7.50% |
| Tax rate | 26.20% | 27.00% |
| Debt/Equity ratio | 2.46 | 2.46 |
| Cost of debt | 7.00% | 7.00% |
| After-tax WACC | 5.1% | 5.8% |
| Selected WACC | 5.5% | |