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V-Lab

FTSE TWSE Taiwan 50 Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, July 24th, 2026

1 Day

39.77%

decreased by 1.83%

1 Week

39.28%

decreased by 2.32%

1 Month

37.49%

decreased by 4.11%

Analysis last updated: Friday, July 24, 2026 at 11:19 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FTSE TWSE Taiwan 50 Index GJR-GARCH

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 strong leverage effect: negative returns increase next-day volatility 221% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0303
20.05***
α

ARCH

Response to squared shocks

0.0349
13.23***
β

GARCH

Volatility persistence

0.9093
368.29***
γ

leverage

Additional response to negative shocks

0.0772
13.35***

Persistence:

0.983

Half-life:

40 days