| 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 | 2.752 | 6.471 | 43% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 100000000 | 1% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 84.1M | 78.2B | 0% |
| Annual Yield % from dividends | 2.75 | 2.93 | 94% |
| Returns for 1 year | 16.11 | 34.29 | 47% |
| Returns for 3 years | 29.38 | 47.98 | 61% |
| Returns for 5 years | 30.35 | 34.77 | 87% |
| Returns for 10 years | N/A | 110.45 | - |