iShares MBS 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, June 10th, 2026
1 Day
5.23%
decreased by 0.24%
1 Week
5.25%
decreased by 0.22%
1 Month
5.34%
decreased by 0.13%
Analysis last updated: Tuesday, June 9, 2026 at 09:18 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0004 | 15.17 | |
| 0.0625 | 15.31 | |
| 0.8911 | 203.92 | |
| 0.0928 | 8.75 |
Estimation Period:
Mar 16, 2007 to Jun 5, 2026
Mar 16, 2007 to Jun 5, 2026
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