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CBOE Gold Volatility Index GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

75.82%

increased by 3.04%

1 Week

78.01%

increased by 5.23%

1 Month

81.63%

increased by 8.85%

Analysis last updated: Saturday, September 19, 2026 at 12:06 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE Gold Volatility Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 3, 2008 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 4-day half-life
ParamValuet-stat
ωconst4.1307
5.43***
αARCH0.2166
4.53***
βGARCH0.7042
16.76***
γleverage-0.1356
-1.66*

0.853

Persistence

4d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.1307
5.43***
α

ARCH

Response to squared shocks

0.2166
4.53***
β

GARCH

Volatility persistence

0.7042
16.76***
γ

leverage

Additional response to negative shocks

-0.1356
-1.66*

Persistence:

0.853

Half-life:

4 days