| NTBIX | WCFRX | NTBIX / WCFRX | |
| Total Expense Ratio | 1.03 | 1.66 | 62% |
| Annual Report Gross Expense Ratio | 1.05 | 1.66 | 63% |
| Fund Existence | 12 years | 8 years | - |
| Gain YTD | 1.585 | 1.020 | 155% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 25000 | 2500 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.24B | 83.5M | 8,668% |
| Annual Yield % from dividends | 4.54 | 6.55 | 69% |
| Returns for 1 year | 6.77 | 2.79 | 242% |
| Returns for 3 years | 18.43 | 17.20 | 107% |
| Returns for 5 years | 10.62 | 4.14 | 257% |
| Returns for 10 years | 38.34 | N/A | - |