| 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 | 22.693 | 26.271 | 86% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 100000000 | 1% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 105M | 74.2B | 0% |
| Annual Yield % from dividends | 1.65 | 2.74 | 60% |
| Returns for 1 year | 13.42 | 19.90 | 67% |
| Returns for 3 years | 60.38 | 64.37 | 94% |
| Returns for 5 years | N/A | 44.41 | - |
| Returns for 10 years | N/A | 68.10 | - |