V-Lab
FTSE TWSE Taiwan 50 Index EGARCH Volatility Analysis
Volatility prediction for Friday, August 14th, 2026
1 Day
29.74%
decreased by 1.05%
1 Week
29.47%
decreased by 1.32%
1 Month
28.55%
decreased by 2.24%
Analysis last updated: Friday, August 14, 2026 at 10:25 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 15, 2003 to Jun 18, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 183% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0147 | 9.13*** |
α ARCH Response to squared shocks | 0.1340 | 29.63*** |
β GARCH Volatility persistence | 0.9809 | 904.04*** |
γ leverage Additional response to negative shocks | -0.0640 | -19.66*** |
Persistence:
0.981
Half-life:
36 days
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