| VBTIX | VTBNX | VBTIX / VTBNX | |
| Total Expense Ratio | 0.03 | 0.02 | 125% |
| Annual Report Gross Expense Ratio | 0.03 | 0.02 | 125% |
| Fund Existence | 30 years | 17 years | - |
| Gain YTD | 3.059 | 2.885 | 106% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 5000000 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 380B | 345B | 110% |
| Annual Yield % from dividends | 3.83 | 3.90 | 98% |
| Returns for 1 year | 2.30 | 2.12 | 109% |
| Returns for 3 years | 3.62 | 3.34 | 109% |
| Returns for 5 years | -15.87 | -16.51 | 96% |
| Returns for 10 years | -7.48 | -8.55 | 87% |