| VBIMX | VTBIX | VBIMX / VTBIX | |
| Total Expense Ratio | 0.03 | 0.09 | 33% |
| Annual Report Gross Expense Ratio | 0.03 | 0.09 | 33% |
| Fund Existence | 21 years | 18 years | - |
| Gain YTD | -3.409 | -3.008 | 113% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 52.5B | 387B | 14% |
| Annual Yield % from dividends | 4.35 | 4.08 | 107% |
| Returns for 1 year | -2.76 | -2.30 | 120% |
| Returns for 3 years | 1.09 | 0.11 | 1,018% |
| Returns for 5 years | -17.43 | -17.07 | 102% |
| Returns for 10 years | -7.85 | -14.22 | 55% |