V-Lab
Zhejiang Walrus New Material Co Ltd MEM Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
32.58%
increased by 3.21%
1 Week
33.58%
increased by 4.21%
1 Month
36.52%
increased by 7.15%
Analysis last updated: Friday, September 4, 2026 at 06:27 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 8, 2020 to Aug 28, 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
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2994 | 1.72* |
α ARCH Response to squared shocks | 0.2773 | 5.71*** |
β GARCH Volatility persistence | 0.6840 | 17.61*** |
Persistence:
0.961
Half-life:
18 days
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