V-Lab
Zhejiang Walrus New Material Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
34.07%
decreased by 0.68%
1 Week
36.00%
increased by 1.25%
1 Month
40.29%
increased by 5.54%
Analysis last updated: Tuesday, September 8, 2026 at 07:50 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 8, 2020 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 8-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.6635 | 2.60*** |
| αARCH | 0.1030 | 2.38** |
| βGARCH | 0.8139 | 16.98*** |
| γleverage | 0.0041 | 0.06 |
0.919
Persistence8d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6635 | 2.60*** |
α ARCH Response to squared shocks | 0.1030 | 2.38** |
β GARCH Volatility persistence | 0.8139 | 16.98*** |
γ leverage Additional response to negative shocks | 0.0041 | 0.06 |
Persistence:
0.919
Half-life:
8 days
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