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V-Lab

Varopakorn Co GJR-GARCH Volatility Analysis

Volatility prediction for Friday, August 14th, 2026

1 Day

41.24%

increased by 0.01%

1 Week

44.57%

increased by 3.34%

1 Month

53.48%

increased by 12.25%

Analysis last updated: Friday, August 14, 2026 at 08:31 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 Aug 11, 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8714
16.64***
α

ARCH

Response to squared shocks

0.1445
16.91***
β

GARCH

Volatility persistence

0.8259
132.73***
γ

leverage

Additional response to negative shocks

-0.0242
-1.76*

Persistence:

0.958

Half-life:

16 days