| 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 | 9 years | - |
| Gain YTD | 1.539 | 0.511 | 301% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 25000 | 2500 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.07B | 73.6M | 9,606% |
| Annual Yield % from dividends | 4.10 | 7.17 | 57% |
| Returns for 1 year | 3.14 | 0.12 | 2,685% |
| Returns for 3 years | 16.48 | 14.04 | 117% |
| Returns for 5 years | 8.98 | 3.61 | 249% |
| Returns for 10 years | 33.69 | N/A | - |