| NRGEX | PRDSX | NRGEX / PRDSX | |
| Total Expense Ratio | 0.02 | 0.80 | 2% |
| Annual Report Gross Expense Ratio | 0.68 | 0.80 | 85% |
| Fund Existence | 4 years | 29 years | - |
| Gain YTD | 6.961 | 13.707 | 51% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.32B | 9.26B | 79% |
| Annual Yield % from dividends | 1.22 | 0.00 | - |
| Returns for 1 year | -4.81 | 21.90 | -22% |
| Returns for 3 years | 1.88 | 34.08 | 6% |
| Returns for 5 years | N/A | 3.10 | - |
| Returns for 10 years | N/A | 93.27 | - |