| 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 | 15.106 | 19.960 | 76% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 2000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 65.5B | 4.64B | 1,413% |
| Annual Yield % from dividends | 1.77 | 0.78 | 227% |
| Returns for 1 year | 21.77 | 19.67 | 111% |
| Returns for 3 years | 48.58 | 15.89 | 306% |
| Returns for 5 years | 42.60 | 0.96 | 4,433% |
| Returns for 10 years | 141.22 | 53.38 | 265% |