V-Lab
CBOE Volatility Index EGARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
123.01%
increased by 13.66%
1 Week
120.07%
increased by 10.72%
1 Month
112.53%
increased by 3.18%
Analysis last updated: Friday, September 11, 2026 at 11:35 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 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
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Inverse leverage: volatility responds almost entirely to positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2224 | 1.95* |
| αARCH | 0.0838 | 4.25*** |
| βGARCH | 0.9393 | 45.68*** |
| γleverage | 0.1848 | 8.47*** |
0.939
Persistence11d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2224 | 1.95* |
α ARCH Response to squared shocks | 0.0838 | 4.25*** |
β GARCH Volatility persistence | 0.9393 | 45.68*** |
γ leverage Additional response to negative shocks | 0.1848 | 8.47*** |
Persistence:
0.939
Half-life:
11 days
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