V-Lab
Zeng Hsing Industrial Co Ltd EGARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
21.96%
decreased by 0.90%
1 Week
22.41%
decreased by 0.45%
1 Month
24.02%
increased by 1.16%
Analysis last updated: Sunday, August 16, 2026 at 12:59 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 18, 2007 to Aug 14, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 16% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0376 | 15.39*** |
α ARCH Response to squared shocks | 0.1657 | 23.12*** |
β GARCH Volatility persistence | 0.9736 | 500.83*** |
γ leverage Additional response to negative shocks | 0.0123 | 2.13** |
Persistence:
0.974
Half-life:
26 days
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