| PREFX | VIGRX | PREFX / VIGRX | |
| Total Expense Ratio | 0.82 | 0.17 | 482% |
| Annual Report Gross Expense Ratio | 0.82 | 0.17 | 482% |
| Fund Existence | 26 years | 34 years | - |
| Gain YTD | 6.395 | 7.483 | 85% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.51B | 379B | 0% |
| Annual Yield % from dividends | 0.00 | 0.27 | - |
| Returns for 1 year | 15.55 | 18.73 | 83% |
| Returns for 3 years | 74.17 | 81.36 | 91% |
| Returns for 5 years | 59.50 | 78.70 | 76% |
| Returns for 10 years | 308.46 | 374.91 | 82% |