| SPISX | VFFSX | SPISX / VFFSX | |
| Total Expense Ratio | 0.19 | 0.01 | 1,900% |
| Annual Report Gross Expense Ratio | 0.19 | 0.01 | 1,900% |
| Fund Existence | 9 years | 9 years | - |
| Gain YTD | 13.544 | 13.667 | 99% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 4.05B | 1.46T | 0% |
| Annual Yield % from dividends | 0.90 | 1.13 | 79% |
| Returns for 1 year | 13.14 | 13.28 | 99% |
| Returns for 3 years | 72.70 | 68.45 | 106% |
| Returns for 5 years | 93.72 | 86.51 | 108% |
| Returns for 10 years | N/A | N/A | - |