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 Wednesday, April 29th, 2026
1 Day
1.62%
decreased by 0.03%
1 Week
1.62%
decreased by 0.03%
1 Month
1.63%
decreased by 0.02%
Analysis last updated: Tuesday, April 28, 2026 at 09:27 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 | |
| 0.0660 | 21.30 | |
| 0.9395 | 567.67 | |
| -0.0111 | -2.25 |
Estimation Period:
Jul 26, 2002 to Apr 24, 2026
Jul 26, 2002 to Apr 24, 2026
Other iShares 1-3 Year Treasury Bond ETF Analyses
Other GJR-GARCH Analyses on ETFs