| VSIAX | VSOIX | VSIAX / VSOIX | |
| Total Expense Ratio | 0.07 | 0.89 | 8% |
| Annual Report Gross Expense Ratio | 0.07 | 0.89 | 8% |
| Fund Existence | 14 years | 18 years | - |
| Gain YTD | 5.811 | 0.170 | 3,426% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 2000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 58.3B | 5.23B | 1,115% |
| Annual Yield % from dividends | 2.02 | 0.81 | 249% |
| Returns for 1 year | -0.53 | -12.24 | 4% |
| Returns for 3 years | 27.41 | -4.99 | -550% |
| Returns for 5 years | 65.19 | 10.90 | 598% |
| Returns for 10 years | 117.18 | 25.35 | 462% |