V-Lab
Bloomberg US Corporate Bond Index Total Return Value Unhedged USD GJR-GARCH Volatility Analysis
Volatility prediction for Friday, August 21st, 2026
1 Day
4.80%
increased by 0.11%
1 Week
4.82%
increased by 0.13%
1 Month
4.88%
increased by 0.19%
Analysis last updated: Friday, August 21, 2026 at 08:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Apr 4, 2025Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 50% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0013 | 17.69*** |
α ARCH Response to squared shocks | 0.0346 | 18.13*** |
β GARCH Volatility persistence | 0.9456 | 538.21*** |
γ leverage Additional response to negative shocks | 0.0173 | 4.45*** |
Persistence:
0.989
Half-life:
62 days
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