V-Lab
Zhejiang Walrus New Material Co Ltd Asy. MEM Volatility Analysis
Volatility prediction for Tuesday, August 11th, 2026
1 Day
44.62%
increased by 5.10%
1 Week
44.62%
increased by 5.10%
1 Month
44.62%
increased by 5.10%
Analysis last updated: Tuesday, August 11, 2026 at 06:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 8, 2020 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 18 trading days, meaning a shock loses half its impact after approximately 18 days.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3063 | 14.37*** |
α ARCH Response to squared shocks | 0.2755 | 21.21*** |
β GARCH Volatility persistence | 0.6784 | 70.09*** |
γ leverage Additional response to negative shocks | 0.0149 | 0.75 |
Persistence:
0.961
Half-life:
18 days
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