| NRGEX | PLKGX | NRGEX / PLKGX | |
| Total Expense Ratio | 0.02 | 0.76 | 3% |
| Annual Report Gross Expense Ratio | 0.68 | 0.76 | 89% |
| Fund Existence | 5 years | 11 years | - |
| Gain YTD | 12.642 | 15.476 | 82% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.56B | 3.04B | 249% |
| Annual Yield % from dividends | 1.14 | 0.00 | - |
| Returns for 1 year | -4.92 | 19.47 | -25% |
| Returns for 3 years | 0.14 | 61.53 | 0% |
| Returns for 5 years | N/A | 27.64 | - |
| Returns for 10 years | N/A | 232.22 | - |