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V-Lab

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

Date Range:

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to

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graph of CBOE Amazon Volatility Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 7, 2011 to Jul 10, 2026

Model 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

ParameterValuet-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