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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Jul 31, 2026Model 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
| Parameter | Value | t-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
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