V-Lab
CBOE 1-Day Volatility Index EGARCH Volatility Analysis
Volatility prediction for Friday, August 7th, 2026
1 Day
383.54%
decreased by 7.02%
1 Week
382.81%
decreased by 7.75%
1 Month
382.17%
decreased by 8.39%
Analysis last updated: Friday, August 7, 2026 at 11:32 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 13, 2022 to Jul 31, 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
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.9129 | 7.88*** |
α ARCH Response to squared shocks | 0.0780 | 5.08*** |
β GARCH Volatility persistence | 0.6993 | 20.04*** |
γ leverage Additional response to negative shocks | 0.2002 | 11.49*** |
Persistence:
0.699
Half-life:
2 days
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