V-Lab
AnHui Higasket Plastics Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
46.26%
increased by 0.03%
1 Week
45.78%
decreased by 0.45%
1 Month
44.56%
decreased by 1.67%
Analysis last updated: Saturday, August 22, 2026 at 07:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 24, 2022 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5600 | 9.75*** |
α ARCH Response to squared shocks | 0.1258 | 10.10*** |
β GARCH Volatility persistence | 0.8007 | 61.11*** |
γ leverage Additional response to negative shocks | -0.0073 | -0.35 |
Persistence:
0.923
Half-life:
9 days
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