V-Lab
Zhejiang Walrus New Material Co Ltd Asy. Power MEM Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
33.52%
increased by 3.65%
1 Week
32.80%
increased by 2.93%
1 Month
31.14%
increased by 1.27%
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 7 trading days, meaning a shock loses half its impact after approximately 7 days. The volatility power δ = 1.24 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.
μ
APMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1957 | 2.48** |
α ARCH Response to squared shocks | 0.2936 | 8.81*** |
β GARCH Volatility persistence | 0.6676 | 15.71*** |
γ leverage Additional response to negative shocks | 0.0067 | 0.17 |
δ power Transformation power | 1.2361 | 2.54** |
Persistence:
0.908
Half-life:
7 days
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