| PREFX | VIGRX | PREFX / VIGRX | |
| Total Expense Ratio | 0.82 | 0.17 | 482% |
| Annual Report Gross Expense Ratio | 0.82 | 0.17 | 482% |
| Fund Existence | 25 years | 33 years | - |
| Gain YTD | 17.102 | 19.764 | 87% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 3000 | 83% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.44B | 357B | 0% |
| Annual Yield % from dividends | 0.00 | 0.30 | - |
| Returns for 1 year | 13.69 | 18.49 | 74% |
| Returns for 3 years | 92.02 | 110.82 | 83% |
| Returns for 5 years | 74.06 | 99.11 | 75% |
| Returns for 10 years | 280.71 | 349.13 | 80% |