| VSIAX | VSOIX | VSIAX / VSOIX | |
| Total Expense Ratio | 0.07 | 0.90 | 8% |
| Annual Report Gross Expense Ratio | 0.07 | 0.90 | 8% |
| Fund Existence | 15 years | 19 years | - |
| Gain YTD | 16.780 | 19.168 | 88% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 2000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 68.3B | 4.27B | 1,600% |
| Annual Yield % from dividends | 1.76 | 0.79 | 222% |
| Returns for 1 year | 18.58 | 13.81 | 135% |
| Returns for 3 years | 49.22 | 13.73 | 358% |
| Returns for 5 years | 43.68 | -1.79 | -2,436% |
| Returns for 10 years | 132.05 | 40.77 | 324% |