| NRGEX | PLKGX | NRGEX / PLKGX | |
| Total Expense Ratio | 0.02 | 0.76 | 3% |
| Annual Report Gross Expense Ratio | 0.68 | 0.76 | 89% |
| Fund Existence | 4 years | 11 years | - |
| Gain YTD | 5.513 | 5.521 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.44B | 2.93B | 288% |
| Annual Yield % from dividends | 1.23 | 0.00 | - |
| Returns for 1 year | -12.11 | 12.06 | -100% |
| Returns for 3 years | -4.30 | 60.49 | -7% |
| Returns for 5 years | N/A | 15.55 | - |
| Returns for 10 years | N/A | 268.33 | - |