| 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 | 10 years | - |
| Gain YTD | 17.783 | 17.916 | 99% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 4.3B | 1.48T | 0% |
| Annual Yield % from dividends | 0.89 | 1.13 | 79% |
| Returns for 1 year | 14.72 | 14.85 | 99% |
| Returns for 3 years | 84.52 | 80.76 | 105% |
| Returns for 5 years | 94.44 | 87.63 | 108% |
| Returns for 10 years | N/A | N/A | - |