| NRGEX | PRDSX | NRGEX / PRDSX | |
| Total Expense Ratio | 0.02 | 0.80 | 2% |
| Annual Report Gross Expense Ratio | 0.68 | 0.80 | 85% |
| Fund Existence | 5 years | 29 years | - |
| Gain YTD | 12.233 | 15.364 | 80% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.45B | 9.33B | 80% |
| Annual Yield % from dividends | 1.14 | 0.00 | - |
| Returns for 1 year | -4.92 | 17.33 | -28% |
| Returns for 3 years | -0.80 | 28.41 | -3% |
| Returns for 5 years | N/A | 2.18 | - |
| Returns for 10 years | N/A | 89.32 | - |