| 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 | 2.725 | 15.972 | 17% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 3000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.71B | 2.05T | 0% |
| Annual Yield % from dividends | 0.78 | 1.02 | 77% |
| Returns for 1 year | 1.08 | 13.42 | 8% |
| Returns for 3 years | 29.74 | 68.22 | 44% |
| Returns for 5 years | 17.96 | 83.98 | 21% |
| Returns for 10 years | 69.61 | 235.40 | 30% |