| NSIVX | VFWPX | NSIVX / VFWPX | |
| Total Expense Ratio | 0.98 | 0.03 | 3,267% |
| Annual Report Gross Expense Ratio | 1.13 | 0.03 | 3,767% |
| Fund Existence | 5 years | 15 years | - |
| Gain YTD | 24.765 | 29.164 | 85% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 100000000 | 1% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 85.7M | 75.5B | 0% |
| Annual Yield % from dividends | 1.66 | 2.70 | 62% |
| Returns for 1 year | 19.41 | 25.36 | 77% |
| Returns for 3 years | 45.36 | 50.03 | 91% |
| Returns for 5 years | N/A | 39.87 | - |
| Returns for 10 years | N/A | 79.71 | - |