V-Lab
CDX/CBOE NA Investment Grade 1-Month Volatility Index (BP Volatility) GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
110.44%
increased by 20.87%
1 Week
110.31%
increased by 20.74%
1 Month
109.96%
increased by 20.39%
Analysis last updated: Friday, July 24, 2026 at 11:35 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 5, 2012 to Jul 17, 2026Model Insight
This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.6088 | 11.18*** |
α ARCH Response to squared shocks | 0.1149 | 11.92*** |
β GARCH Volatility persistence | 0.8875 | 138.15*** |
γ leverage Additional response to negative shocks | -0.1149 | -10.96*** |
Persistence:
0.945
Half-life:
12 days
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