V-Lab
Jiawei Renewable Energy Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
68.94%
decreased by 3.41%
1 Week
68.45%
decreased by 3.90%
1 Month
66.85%
decreased by 5.50%
Analysis last updated: Saturday, August 22, 2026 at 07:12 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 11, 2012 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 59% 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 | 0.4705 | 12.57*** |
α ARCH Response to squared shocks | 0.1035 | 16.03*** |
β GARCH Volatility persistence | 0.8834 | 143.39*** |
γ leverage Additional response to negative shocks | -0.0383 | -4.03*** |
Persistence:
0.968
Half-life:
21 days
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