| BTFIX | NTBIX | BTFIX / NTBIX | |
| Total Expense Ratio | 1.83 | 1.03 | 178% |
| Annual Report Gross Expense Ratio | 1.83 | 1.05 | 174% |
| Fund Existence | 11 years | 12 years | - |
| Gain YTD | -0.865 | 1.585 | -55% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 100000 | 25000 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 34.6M | 7.24B | 0% |
| Annual Yield % from dividends | 4.60 | 4.54 | 101% |
| Returns for 1 year | 3.10 | 6.66 | 47% |
| Returns for 3 years | 11.53 | 18.43 | 63% |
| Returns for 5 years | -5.69 | 10.41 | -55% |
| Returns for 10 years | -2.57 | 38.34 | -7% |