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V-Lab

Taiwan Stock Exchange Weighted Index EGARCH Volatility Analysis

Volatility prediction for Thursday, August 6th, 2026

1 Day

39.69%

decreased by 0.48%

1 Week

39.33%

decreased by 0.84%

1 Month

38.07%

decreased by 2.10%

Analysis last updated: Wednesday, August 5, 2026 at 07:26 AM UTC

Date Range:

from

to

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 Jul 31, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 117% more than equivalent positive returns.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0174
14.68***
α

ARCH

Response to squared shocks

0.1625
42.00***
β

GARCH

Volatility persistence

0.9855
1,424.06***
γ

leverage

Additional response to negative shocks

-0.0601
-19.85***

Persistence:

0.985

Half-life:

47 days