| SPIIX | VFFSX | SPIIX / VFFSX | |
| Total Expense Ratio | 0.65 | 0.01 | 6,500% |
| Annual Report Gross Expense Ratio | 0.79 | 0.01 | 7,900% |
| Fund Existence | 24 years | 10 years | - |
| Gain YTD | 9.546 | 9.311 | 103% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 100000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.1B | 1.7T | 0% |
| Annual Yield % from dividends | 0.51 | 1.08 | 47% |
| Returns for 1 year | 11.86 | 20.23 | 59% |
| Returns for 3 years | 38.43 | 68.31 | 56% |
| Returns for 5 years | 24.40 | 72.25 | 34% |
| Returns for 10 years | 135.08 | 256.77 | 53% |