| 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 | 1.146 | -0.589 | -195% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 3000 | 83% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.43B | 352B | 0% |
| Annual Yield % from dividends | 0.00 | 0.29 | - |
| Returns for 1 year | 18.74 | 20.10 | 93% |
| Returns for 3 years | 101.85 | 115.52 | 88% |
| Returns for 5 years | 72.73 | 93.98 | 77% |
| Returns for 10 years | 337.51 | 400.25 | 84% |