| NRGEX | NRGSX | NRGEX / NRGSX | |
| Total Expense Ratio | 0.02 | 0.74 | 3% |
| Annual Report Gross Expense Ratio | 0.68 | 0.74 | 92% |
| Fund Existence | 5 years | 13 years | - |
| Gain YTD | 16.614 | 16.096 | 103% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.39B | 7.39B | 100% |
| Annual Yield % from dividends | 1.15 | 0.45 | 258% |
| Returns for 1 year | -1.70 | -2.44 | 70% |
| Returns for 3 years | 9.16 | 6.83 | 134% |
| Returns for 5 years | N/A | -19.24 | - |
| Returns for 10 years | N/A | 13.15 | - |