V-Lab
Wenzhou Yihua Connector Co., Ltd. GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
63.41%
decreased by 2.64%
1 Week
63.09%
decreased by 2.96%
1 Month
62.10%
decreased by 3.95%
Analysis last updated: Tuesday, August 25, 2026 at 06:20 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 7, 2017 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 40% 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 | 0.5554 | 14.23*** |
α ARCH Response to squared shocks | 0.1004 | 12.65*** |
β GARCH Volatility persistence | 0.8739 | 165.17*** |
γ leverage Additional response to negative shocks | -0.0286 | -2.35** |
Persistence:
0.960
Half-life:
17 days
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