| BOSVX | DFFVX | BOSVX / DFFVX | |
| Total Expense Ratio | 0.47 | 0.29 | 162% |
| Annual Report Gross Expense Ratio | 0.64 | 0.30 | 213% |
| Fund Existence | 14 years | 26 years | - |
| Gain YTD | 1.980 | 2.050 | 97% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.11B | 13.1B | 8% |
| Annual Yield % from dividends | 1.64 | 1.72 | 96% |
| Returns for 1 year | -8.70 | -1.67 | 520% |
| Returns for 3 years | -13.72 | 22.17 | -62% |
| Returns for 5 years | 37.96 | 68.92 | 55% |
| Returns for 10 years | 40.79 | 69.76 | 58% |