| NRGEX | PLKGX | NRGEX / PLKGX | |
| Total Expense Ratio | 0.03 | 0.76 | 4% |
| Annual Report Gross Expense Ratio | 0.69 | 0.76 | 91% |
| Fund Existence | 4 years | 11 years | - |
| Gain YTD | 5.847 | 8.149 | 72% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.57B | 3.03B | 283% |
| Annual Yield % from dividends | 1.29 | 0.00 | - |
| Returns for 1 year | -10.67 | 17.18 | -62% |
| Returns for 3 years | 1.78 | 72.44 | 2% |
| Returns for 5 years | N/A | 21.46 | - |
| Returns for 10 years | N/A | 262.62 | - |