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, April 6th, 2026
1 Day
2.00%
decreased by 0.05%
1 Week
2.00%
decreased by 0.05%
1 Month
2.00%
decreased by 0.05%
Analysis last updated: Thursday, April 2, 2026 at 09:47 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0000 | 6.00 | |
| 0.0661 | 21.28 | |
| 0.9394 | 565.90 | |
| -0.0110 | -2.23 |
Estimation Period:
Jul 26, 2002 to Apr 2, 2026
Jul 26, 2002 to Apr 2, 2026
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