iShares 1-3 Year Treasury Bond ETF GJR-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Monday, June 15th, 2026
1 Day
1.76%
decreased by 0.06%
1 Week
1.77%
decreased by 0.05%
1 Month
1.77%
decreased by 0.05%
Analysis last updated: Friday, June 12, 2026 at 11:12 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0000 | 5.50 | |
| 0.0653 | 21.27 | |
| 0.9403 | 577.56 | |
| -0.0111 | -2.30 |
Estimation Period:
Jul 26, 2002 to Jun 12, 2026
Jul 26, 2002 to Jun 12, 2026
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