ICE BofA CCC & Lower 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 Friday, May 22nd, 2026
1 Day
5.07%
decreased by 0.39%
1 Week
5.19%
decreased by 0.27%
1 Month
5.68%
increased by 0.22%
Analysis last updated: Friday, May 22, 2026 at 02:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0026 | 27.55 | |
| 0.1228 | 29.24 | |
| 0.8268 | 292.28 | |
| 0.1007 | 12.48 |
Estimation Period:
Jan 1, 1997 to May 15, 2026
Jan 1, 1997 to May 15, 2026
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