| 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 | 11.656 | 11.121 | 105% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 4.82B | 1.76T | 0% |
| Annual Yield % from dividends | 0.73 | 1.05 | 69% |
| Returns for 1 year | 16.08 | 15.26 | 105% |
| Returns for 3 years | 74.93 | 70.33 | 107% |
| Returns for 5 years | 78.05 | 70.49 | 111% |
| Returns for 10 years | N/A | 258.63 | - |