ICE BofA Single-B US High Yield Index 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 1st, 2026
1 Day
6.28%
increased by 0.44%
1 Week
6.33%
increased by 0.49%
1 Month
6.53%
increased by 0.69%
Analysis last updated: Wednesday, April 1, 2026 at 02:30 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0013 | 26.94 | |
| 0.1194 | 27.18 | |
| 0.7990 | 200.80 | |
| 0.1634 | 18.03 |
Estimation Period:
Jan 1, 1997 to Mar 27, 2026
Jan 1, 1997 to Mar 27, 2026
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