| ISTNX | PRGTX | ISTNX / PRGTX | |
| Total Expense Ratio | 0.84 | 0.92 | 91% |
| Annual Report Gross Expense Ratio | 0.85 | 0.92 | 92% |
| Fund Existence | 11 years | 25 years | - |
| Gain YTD | 36.964 | 29.626 | 125% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.68B | 5.84B | 114% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 20.35 | 28.64 | 71% |
| Returns for 3 years | 56.83 | 139.72 | 41% |
| Returns for 5 years | -2.91 | 9.08 | -32% |
| Returns for 10 years | 76.08 | 88.96 | 86% |