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V-Lab

Estun Automation Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

55.64%

decreased by 0.25%

1 Week

70.92%

increased by 15.03%

1 Month

99.88%

increased by 43.99%

Analysis last updated: Friday, September 11, 2026 at 07:16 PM UTC

Date Range:

from

to

6M ·

All

graph of Estun Automation Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 9, 2026 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 9-day half-life
ParamValuet-stat
ωconst5.0000
1.82*
αARCH0.6811
1.41
βGARCH0.5878
5.89***
γleverage-0.6811
-1.34

0.928

Persistence

9d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
1.82*
α

ARCH

Response to squared shocks

0.6811
1.41
β

GARCH

Volatility persistence

0.5878
5.89***
γ

leverage

Additional response to negative shocks

-0.6811
-1.34

Persistence:

0.928

Half-life:

9 days