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Saudi Industrial Export Co GJR-GARCH Volatility Analysis

Volatility prediction for Sunday, October 25th, 2026

1 Day

47.58%

increased by 7.23%

1 Week

47.68%

increased by 7.33%

1 Month

48.04%

increased by 7.69%

Analysis last updated: Friday, October 23, 2026 at 08:32 PM UTC

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Date Range:

from

10/22/2024

to

10/22/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Saudi Industrial Export Co GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 14, 2005 to Oct 22, 2026

Model Insight

Volatility shocks decay with a half-life of 38 trading days, meaning a shock loses half its impact after approximately 38 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 38-day half-life
ParamValuet-stat
ωconst0.1826
2.80***
αARCH0.0753
2.58**
βGARCH0.8916
35.24***
γleverage0.0299
0.76

0.982

Persistence

38d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1826
2.80***
α

ARCH

Response to squared shocks

0.0753
2.58**
β

GARCH

Volatility persistence

0.8916
35.24***
γ

leverage

Additional response to negative shocks

0.0299
0.76

Persistence:

0.982

Half-life:

38 days