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V-Lab

Yw Co Ltd EGARCH Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

27.98%

increased by 1.10%

1 Week

29.05%

increased by 2.17%

1 Month

33.34%

increased by 6.46%

Analysis last updated: Wednesday, September 9, 2026 at 08:07 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Yw Co Ltd EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 11, 2003 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 35 trading days, meaning a shock loses half its impact after approximately 35 days.

σ

EGARCH Model

Tap to view equation

Shock decay: Shocks decay with a 35-day half-life
ParamValuet-stat
ωconst0.0600
5.42***
αARCH0.2266
10.13***
βGARCH0.9802
215.82***
γleverage0.0176
0.75

0.980

Persistence

35d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0600
5.42***
α

ARCH

Response to squared shocks

0.2266
10.13***
β

GARCH

Volatility persistence

0.9802
215.82***
γ

leverage

Additional response to negative shocks

0.0176
0.75

Persistence:

0.980

Half-life:

35 days