| 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 | 13.993 | 13.843 | 101% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 100000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.13B | 1.69T | 0% |
| Annual Yield % from dividends | 0.49 | 1.08 | 45% |
| Returns for 1 year | 12.01 | 20.41 | 59% |
| Returns for 3 years | 44.50 | 75.70 | 59% |
| Returns for 5 years | 26.01 | 74.51 | 35% |
| Returns for 10 years | 136.61 | 257.82 | 53% |