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V-Lab

Taiwan Stock Exchange Weighted Index MF2-GARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

26.00%

increased by 2.01%

1 Week

26.15%

increased by 2.16%

1 Month

26.22%

increased by 2.23%

Analysis last updated: Friday, September 11, 2026 at 09:05 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Taiwan Stock Exchange Weighted Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 11, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

MF2-GARCH Model

Tap to view equation

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
mwindow26
αARCH0.0019
0.18
βGARCH0.7510
36.21***
γleverage0.2054
10.41***
λ₁tau intercept0.0105
2.57**
λ₂forecast adj.0.0617
5.05***
λ₃tau persistence0.9334
71.25***

0.856

Persistence

4d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

26
α

ARCH

Response to squared shocks

0.0019
0.18
β

GARCH

Volatility persistence

0.7510
36.21***
γ

leverage

Additional response to negative shocks

0.2054
10.41***
λ₁

tau intercept

Baseline long-term coefficient

0.0105
2.57**
λ₂

forecast adj.

Forecast performance sensitivity

0.0617
5.05***
λ₃

tau persistence

Long-term factor persistence

0.9334
71.25***

Persistence:

0.856

Half-life:

4 days