| IYSIX | NRGSX | IYSIX / NRGSX | |
| Total Expense Ratio | 0.88 | 0.74 | 119% |
| Annual Report Gross Expense Ratio | 1.04 | 0.74 | 141% |
| Fund Existence | 19 years | 13 years | - |
| Gain YTD | 9.711 | -7.590 | -128% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.05B | 8.19B | 13% |
| Annual Yield % from dividends | 0.00 | 0.07 | - |
| Returns for 1 year | 4.04 | -14.62 | -28% |
| Returns for 3 years | 22.76 | -4.10 | -556% |
| Returns for 5 years | -17.16 | -11.01 | 156% |
| Returns for 10 years | 9.60 | 3.70 | 260% |