| 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 | -7.590 | -6.179 | 123% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.19B | 77.3M | 10,595% |
| Annual Yield % from dividends | 0.07 | 0.00 | - |
| Returns for 1 year | -14.62 | -18.85 | 78% |
| Returns for 3 years | -4.10 | -7.09 | 58% |
| Returns for 5 years | -11.01 | -25.93 | 42% |
| Returns for 10 years | 3.70 | N/A | - |