| 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 | 25.141 | 29.609 | 85% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 100000000 | 1% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 84.2M | 76.1B | 0% |
| Annual Yield % from dividends | 1.63 | 2.69 | 60% |
| Returns for 1 year | 17.08 | 23.24 | 74% |
| Returns for 3 years | 40.79 | 47.41 | 86% |
| Returns for 5 years | 40.76 | 33.75 | 121% |
| Returns for 10 years | N/A | 85.74 | - |