V-Lab
Zeng Hsing Industrial Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
29.84%
increased by 1.16%
1 Week
29.69%
increased by 1.01%
1 Month
29.16%
increased by 0.48%
Analysis last updated: Tuesday, August 25, 2026 at 08:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 18, 2007 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 44% 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
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0472 | 11.99*** |
α ARCH Response to squared shocks | 0.0846 | 13.50*** |
β GARCH Volatility persistence | 0.9099 | 228.17*** |
γ leverage Additional response to negative shocks | -0.0259 | -3.41*** |
Persistence:
0.982
Half-life:
37 days
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