| ISTIX | PRGTX | ISTIX / PRGTX | |
| Total Expense Ratio | 0.92 | 0.93 | 99% |
| Annual Report Gross Expense Ratio | 0.93 | 0.93 | 100% |
| Fund Existence | 19 years | 26 years | - |
| Gain YTD | 40.492 | 42.260 | 96% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.67B | 8.57B | 101% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 57.45 | 79.69 | 72% |
| Returns for 3 years | 107.80 | 171.14 | 63% |
| Returns for 5 years | 9.12 | 33.94 | 27% |
| Returns for 10 years | 127.50 | 172.31 | 74% |