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V-Lab

FTSE TWSE Taiwan 50 Index Asy. MEM Volatility Analysis

Volatility prediction for Friday, July 17th, 2026

1 Day

30.77%

decreased by 1.29%

1 Week

30.53%

decreased by 1.53%

1 Month

29.65%

decreased by 2.41%

Analysis last updated: Friday, July 17, 2026 at 11:34 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FTSE TWSE Taiwan 50 Index AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 15, 2003 to Jun 18, 2026

Model Insight

This asset exhibits a notable leverage effect: negative returns increase next-day volatility 98% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0270
22.52***
α

ARCH

Response to squared shocks

0.0855
23.04***
β

GARCH

Volatility persistence

0.8574
301.79***
γ

leverage

Additional response to negative shocks

0.0841
13.21***

Persistence:

0.985

Half-life:

46 days