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V-Lab

Varopakorn Co GJR-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

57.13%

decreased by 1.50%

1 Week

58.71%

increased by 0.08%

1 Month

63.27%

increased by 4.64%

Analysis last updated: Friday, September 11, 2026 at 09:29 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Varopakorn Co GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 17, 1992 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 16-day half-life
ParamValuet-stat
ωconst0.9284
4.20***
αARCH0.1565
4.25***
βGARCH0.8171
30.94***
γleverage-0.0323
-0.57

0.958

Persistence

16d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9284
4.20***
α

ARCH

Response to squared shocks

0.1565
4.25***
β

GARCH

Volatility persistence

0.8171
30.94***
γ

leverage

Additional response to negative shocks

-0.0323
-0.57

Persistence:

0.958

Half-life:

16 days