CBOE Amazon Volatility Index GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, July 15th, 2026
1 Day
96.81%
decreased by 1.39%
1 Week
100.87%
increased by 2.67%
1 Month
109.78%
increased by 11.58%
Analysis last updated: Wednesday, July 15, 2026 at 11:30 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 7, 2011 to Jul 10, 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 | 5.0000 | 5.10*** |
α ARCH Response to squared shocks | 0.1424 | 4.35*** |
β GARCH Volatility persistence | 0.8411 | 47.49*** |
γ leverage Additional response to negative shocks | -0.1424 | -4.23*** |
Persistence:
0.912
Half-life:
8 days
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