| SPISX | VFINX | SPISX / VFINX | |
| Total Expense Ratio | 0.19 | 0.14 | 136% |
| Annual Report Gross Expense Ratio | 0.19 | 0.14 | 136% |
| Fund Existence | 9 years | 50 years | - |
| Gain YTD | 10.018 | 9.459 | 106% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 4.73B | 1.67T | 0% |
| Annual Yield % from dividends | 0.75 | 0.97 | 77% |
| Returns for 1 year | 19.03 | 18.18 | 105% |
| Returns for 3 years | 68.39 | 63.86 | 107% |
| Returns for 5 years | 78.23 | 70.57 | 111% |
| Returns for 10 years | N/A | 247.72 | - |