V-Lab
Jiawei Renewable Energy Co Ltd EGARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
74.77%
increased by 7.05%
1 Week
73.78%
increased by 6.06%
1 Month
70.96%
increased by 3.24%
Analysis last updated: Saturday, August 15, 2026 at 07:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 11, 2012 to Aug 14, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 38% 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 | 0.1319 | 13.86*** |
α ARCH Response to squared shocks | 0.2111 | 24.97*** |
β GARCH Volatility persistence | 0.9529 | 271.25*** |
γ leverage Additional response to negative shocks | 0.0337 | 4.79*** |
Persistence:
0.953
Half-life:
14 days
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