| OSPMX | PRPZX | OSPMX / PRPZX | |
| Total Expense Ratio | 1.56 | 1.19 | 131% |
| Annual Report Gross Expense Ratio | 1.56 | 1.19 | 131% |
| Fund Existence | 13 years | 13 years | - |
| Gain YTD | 19.004 | 19.853 | 96% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 4.46B | 556M | 801% |
| Annual Yield % from dividends | 6.02 | 9.00 | 67% |
| Returns for 1 year | 21.90 | 23.15 | 95% |
| Returns for 3 years | 80.06 | 82.62 | 97% |
| Returns for 5 years | 135.73 | 115.52 | 117% |
| Returns for 10 years | 176.99 | 130.90 | 135% |