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V-Lab

CBOE DJIA Volatility Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, July 24th, 2026

1 Day

116.27%

increased by 21.97%

1 Week

115.81%

increased by 21.51%

1 Month

114.51%

increased by 20.21%

Analysis last updated: Friday, July 24, 2026 at 11:36 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of CBOE DJIA Volatility Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 6, 1997 to Jul 17, 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

2.6488
17.92***
α

ARCH

Response to squared shocks

0.1715
17.72***
β

GARCH

Volatility persistence

0.8464
140.23***
γ

leverage

Additional response to negative shocks

-0.1428
-9.91***

Persistence:

0.947

Half-life:

13 days