| 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 | 10.265 | 18.746 | 55% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.49B | 9.81B | 76% |
| Annual Yield % from dividends | 1.22 | 0.00 | - |
| Returns for 1 year | -2.31 | 25.82 | -9% |
| Returns for 3 years | 4.11 | 39.47 | 10% |
| Returns for 5 years | N/A | 5.65 | - |
| Returns for 10 years | N/A | 109.47 | - |