Bloomberg US Corporate High-Yield Bond Index Total Return Value Unhedged USD 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
3.45%
decreased by 0.32%
1 Week
3.55%
decreased by 0.22%
1 Month
3.96%
increased by 0.19%
Analysis last updated: Saturday, May 23, 2026 at 01:56 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0015 | 25.78 | |
| 0.1337 | 23.36 | |
| 0.7927 | 203.19 | |
| 0.1474 | 12.38 |
Estimation Period:
Sep 21, 2001 to Apr 4, 2025
Sep 21, 2001 to Apr 4, 2025
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