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V-Lab

Zhejiang Walrus New Material Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

34.61%

decreased by 0.92%

1 Week

36.39%

increased by 0.86%

1 Month

40.40%

increased by 4.87%

Analysis last updated: Saturday, September 19, 2026 at 07:10 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Zhejiang Walrus New Material Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 8, 2020 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 8-day half-life
ParamValuet-stat
ωconst0.6509
2.60***
αARCH0.1036
2.40**
βGARCH0.8150
17.21***
γleverage0.0030
0.04

0.920

Persistence

8d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.6509
2.60***
α

ARCH

Response to squared shocks

0.1036
2.40**
β

GARCH

Volatility persistence

0.8150
17.21***
γ

leverage

Additional response to negative shocks

0.0030
0.04

Persistence:

0.920

Half-life:

8 days