| ISIPX | VSTSX | ISIPX / VSTSX | |
| Total Expense Ratio | 0.67 | 0.01 | 6,700% |
| Annual Report Gross Expense Ratio | 0.67 | 0.01 | 6,700% |
| Fund Existence | 18 years | 10 years | - |
| Gain YTD | 5.756 | 17.386 | 33% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.68B | 2.06T | 0% |
| Annual Yield % from dividends | 0.78 | 1.12 | 69% |
| Returns for 1 year | 3.03 | 14.44 | 21% |
| Returns for 3 years | 37.28 | 78.14 | 48% |
| Returns for 5 years | 17.43 | 76.94 | 23% |
| Returns for 10 years | 73.71 | N/A | - |