| PRFDX | VVIAX | PRFDX / VVIAX | |
| Total Expense Ratio | 0.67 | 0.05 | 1,340% |
| Annual Report Gross Expense Ratio | 0.67 | 0.05 | 1,340% |
| Fund Existence | 40 years | 25 years | - |
| Gain YTD | 13.685 | 14.171 | 97% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 3000 | 83% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 16.2B | 216B | 8% |
| Annual Yield % from dividends | 1.61 | 2.04 | 79% |
| Returns for 1 year | 3.14 | 10.16 | 31% |
| Returns for 3 years | 19.47 | 34.53 | 56% |
| Returns for 5 years | 37.48 | 63.70 | 59% |
| Returns for 10 years | 63.31 | 139.89 | 45% |