| ISIPX | VTSMX | ISIPX / VTSMX | |
| Total Expense Ratio | 0.67 | 0.14 | 479% |
| Annual Report Gross Expense Ratio | 0.67 | 0.14 | 479% |
| Fund Existence | 18 years | 34 years | - |
| Gain YTD | 5.756 | 17.377 | 33% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 3000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.68B | 2.06T | 0% |
| Annual Yield % from dividends | 0.78 | 1.02 | 77% |
| Returns for 1 year | 3.03 | 14.42 | 21% |
| Returns for 3 years | 37.28 | 78.00 | 48% |
| Returns for 5 years | 17.43 | 76.81 | 23% |
| Returns for 10 years | 73.71 | 234.96 | 31% |