V-Lab
CBOE Amazon Volatility Index EGARCH Volatility Analysis
Volatility prediction for Wednesday, September 16th, 2026
1 Day
105.29%
decreased by 7.11%
1 Week
109.81%
decreased by 2.59%
1 Month
112.39%
decreased by 0.01%
Analysis last updated: Wednesday, September 16, 2026 at 01:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 7, 2011 to Sep 11, 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 | 1.7259 | 2.62*** |
| αARCH | 0.3192 | 4.57*** |
| βGARCH | 0.5608 | 3.63*** |
| γleverage | 0.2257 | 2.87*** |
0.561
Persistence1d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7259 | 2.62*** |
α ARCH Response to squared shocks | 0.3192 | 4.57*** |
β GARCH Volatility persistence | 0.5608 | 3.63*** |
γ leverage Additional response to negative shocks | 0.2257 | 2.87*** |
Persistence:
0.561
Half-life:
1 days
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