V-Lab
Taiwan Stock Exchange Weighted Index EGARCH Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
17.24%
decreased by 0.83%
1 Week
17.49%
decreased by 0.58%
1 Month
18.49%
increased by 0.42%
Analysis last updated: Friday, October 2, 2026 at 07:06 AM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Oct 2, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 118% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
Leverage: Negative returns increase volatility 118% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0175 | 3.65*** |
| αARCH | 0.1636 | 10.53*** |
| βGARCH | 0.9850 | 350.78*** |
| γleverage | -0.0609 | -4.99*** |
0.985
Persistence46d
Half-lifeσ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0175 | 3.65*** |
α ARCH Response to squared shocks | 0.1636 | 10.53*** |
β GARCH Volatility persistence | 0.9850 | 350.78*** |
γ leverage Additional response to negative shocks | -0.0609 | -4.99*** |
Persistence:
0.985
Half-life:
46 days
Other Taiwan Stock Exchange Weighted Index Analyses
Other EGARCH Analyses on Equity Indices