V-Lab
Zhejiang Walrus New Material Co Ltd AGARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
34.96%
decreased by 0.76%
1 Week
37.56%
increased by 1.84%
1 Month
42.01%
increased by 6.29%
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 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
AGARCH Model
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Shock decay: Shocks decay with a 5-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9717 | 4.14*** |
| αARCH | 0.1350 | 4.95*** |
| βGARCH | 0.7363 | 19.68*** |
| γleverage | 0.7623 | 1.66* |
0.871
Persistence5d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9717 | 4.14*** |
α ARCH Response to squared shocks | 0.1350 | 4.95*** |
β GARCH Volatility persistence | 0.7363 | 19.68*** |
γ leverage Additional response to negative shocks | 0.7623 | 1.66* |
Persistence:
0.871
Half-life:
5 days
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