The WACC of Greenbrook TMS Inc (GTMS.TO) is 8.3%.
| Range | Selected | |
| Cost of equity | 6.00% - 18.60% | 12.30% |
| Tax rate | 25.90% - 26.50% | 26.20% |
| Cost of debt | 7.00% - 13.30% | 10.15% |
| WACC | 5.3% - 11.2% | 8.3% |
| Category | Low | High |
| Long-term bond rate | 3.6% | 4.1% |
| Equity market risk premium | 5.5% | 6.5% |
| Adjusted beta | 0.45 | 2.17 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.00% | 18.60% |
| Tax rate | 25.90% | 26.50% |
| Debt/Equity ratio | 5.15 | 5.15 |
| Cost of debt | 7.00% | 13.30% |
| After-tax WACC | 5.3% | 11.2% |
| Selected WACC | 8.3% | |