| NRGSX | TSPFX | NRGSX / TSPFX | |
| Total Expense Ratio | 0.74 | 1.15 | 64% |
| Annual Report Gross Expense Ratio | 0.74 | 1.27 | 58% |
| Fund Existence | 13 years | 9 years | - |
| Gain YTD | 5.452 | 1.923 | 284% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.49B | 82.6M | 10,283% |
| Annual Yield % from dividends | 0.48 | 0.00 | - |
| Returns for 1 year | -12.75 | -16.54 | 77% |
| Returns for 3 years | -6.33 | -18.08 | 35% |
| Returns for 5 years | -23.10 | -38.80 | 60% |
| Returns for 10 years | 24.83 | N/A | - |