| NRGEX | PGSGX | NRGEX / PGSGX | |
| Total Expense Ratio | 0.02 | 1.24 | 2% |
| Annual Report Gross Expense Ratio | 0.68 | 1.26 | 54% |
| Fund Existence | 5 years | 35 years | - |
| Gain YTD | 11.955 | 22.355 | 53% |
| Front Load | N/A | 5% | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.5B | 2.48B | 303% |
| Annual Yield % from dividends | 1.14 | 0.00 | - |
| Returns for 1 year | -4.45 | 22.49 | -20% |
| Returns for 3 years | -0.86 | 34.55 | -2% |
| Returns for 5 years | N/A | -14.14 | - |
| Returns for 10 years | N/A | 78.17 | - |