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Zhejiang Walrus New Material Co Ltd EGARCH Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

34.40%

decreased by 0.80%

1 Week

36.32%

increased by 1.12%

1 Month

41.13%

increased by 5.93%

Analysis last updated: Tuesday, September 8, 2026 at 07:50 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Zhejiang Walrus New Material Co Ltd EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 8, 2020 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.

σ

EGARCH Model

Tap to view equation

Shock decay: Shocks decay with a 7-day half-life
ParamValuet-stat
ωconst0.2039
2.95***
αARCH0.2136
3.82***
βGARCH0.9058
27.26***
γleverage-0.0305
-0.70

0.906

Persistence

7d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2039
2.95***
α

ARCH

Response to squared shocks

0.2136
3.82***
β

GARCH

Volatility persistence

0.9058
27.26***
γ

leverage

Additional response to negative shocks

-0.0305
-0.70

Persistence:

0.906

Half-life:

7 days