V-Lab
Zhejiang Walrus New Material Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
33.98%
decreased by 0.48%
1 Week
36.08%
increased by 1.62%
1 Month
41.11%
increased by 6.65%
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 10 trading days, meaning a shock loses half its impact after approximately 10 days. Returns follow a Student-t distribution with v = 4.32 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 9.2662 | 1.33 |
α ARCH Response to squared shocks | 0.1084 | 2.61*** |
β GARCH Volatility persistence | 0.9334 | 18.74*** |
ν DF Student-t tail thickness | 4.3173 | 1.08 |
Persistence:
0.933
Half-life:
10 days
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