| 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 | 6 years | 15 years | - |
| Gain YTD | 4.754 | 14.929 | 32% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 100000000 | 1% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 82.8M | 90.7B | 0% |
| Annual Yield % from dividends | 2.69 | 2.62 | 103% |
| Returns for 1 year | 4.23 | 29.36 | 14% |
| Returns for 3 years | 31.11 | 60.29 | 52% |
| Returns for 5 years | 21.51 | 36.28 | 59% |
| Returns for 10 years | N/A | 106.34 | - |