| 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 | 32.186 | 25.085 | 128% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.03B | 7.92B | 101% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 30.01 | 39.13 | 77% |
| Returns for 3 years | 82.57 | 126.23 | 65% |
| Returns for 5 years | -4.58 | 5.19 | -88% |
| Returns for 10 years | 107.70 | 134.04 | 80% |