Skip to main content
V-Lab

CBOE 3-Month Volatility Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, July 24th, 2026

1 Day

73.18%

increased by 12.59%

1 Week

73.25%

increased by 12.66%

1 Month

73.40%

increased by 12.81%

Analysis last updated: Friday, July 24, 2026 at 11:32 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE 3-Month Volatility Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 17, 2006 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

2.2287
20.72***
α

ARCH

Response to squared shocks

0.2892
18.46***
β

GARCH

Volatility persistence

0.7516
126.17***
γ

leverage

Additional response to negative shocks

-0.2892
-18.72***

Persistence:

0.896

Half-life:

6 days