| ISIVX | VFFSX | ISIVX / VFFSX | |
| Total Expense Ratio | 0.80 | 0.01 | 8,000% |
| Annual Report Gross Expense Ratio | 0.80 | 0.01 | 8,000% |
| Fund Existence | 17 years | 10 years | - |
| Gain YTD | -35.189 | 12.258 | -287% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.98B | 1.69T | 0% |
| Annual Yield % from dividends | 0.93 | 1.08 | 86% |
| Returns for 1 year | -30.24 | 20.51 | -147% |
| Returns for 3 years | -16.16 | 75.16 | -21% |
| Returns for 5 years | -32.19 | 73.03 | -44% |
| Returns for 10 years | 7.17 | 251.26 | 3% |