| NSIUX | VFISX | NSIUX / VFISX | |
| Total Expense Ratio | 0.44 | 0.20 | 220% |
| Annual Report Gross Expense Ratio | 0.73 | 0.20 | 365% |
| Fund Existence | 26 years | 34 years | - |
| Gain YTD | 4.954 | 1.223 | 405% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 3000 | 83% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 25.6M | 5.75B | 0% |
| Annual Yield % from dividends | 3.25 | 3.96 | 82% |
| Returns for 1 year | 5.34 | 1.12 | 477% |
| Returns for 3 years | 13.07 | 0.44 | 2,948% |
| Returns for 5 years | 4.21 | -8.76 | -48% |
| Returns for 10 years | 13.99 | -2.84 | -492% |