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Taiwan Stock Exchange Weighted Index EGARCH Volatility Analysis

Volatility prediction for Wednesday, November 4th, 2026

1 Day

32.37%

increased by 5.17%

1 Week

32.25%

increased by 5.05%

1 Month

31.83%

increased by 4.63%

Analysis last updated: Tuesday, November 3, 2026 at 07:03 AM UTC

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Date Range:

from

11/03/2024

to

11/03/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Taiwan Stock Exchange Weighted Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Oct 30, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 118% more than equivalent positive returns.

σ

EGARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 118% more than positive returns
ParamValuet-stat
ωconst0.0175
3.67***
αARCH0.1628
10.54***
βGARCH0.9851
353.33***
γleverage-0.0605
-4.99***

0.985

Persistence

46d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0175
3.67***
α

ARCH

Response to squared shocks

0.1628
10.54***
β

GARCH

Volatility persistence

0.9851
353.33***
γ

leverage

Additional response to negative shocks

-0.0605
-4.99***

Persistence:

0.985

Half-life:

46 days