| NRGEX | PRDSX | NRGEX / PRDSX | |
| Total Expense Ratio | 0.03 | 0.79 | 4% |
| Annual Report Gross Expense Ratio | 0.69 | 0.79 | 87% |
| Fund Existence | 4 years | 28 years | - |
| Gain YTD | -3.571 | 9.171 | -39% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.43B | 8.38B | 101% |
| Annual Yield % from dividends | 0.55 | 0.19 | 295% |
| Returns for 1 year | -13.32 | -6.15 | 216% |
| Returns for 3 years | 0.35 | 26.34 | 1% |
| Returns for 5 years | N/A | 4.90 | - |
| Returns for 10 years | N/A | 81.40 | - |