V-Lab
Zhejiang Walrus New Material Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
47.22%
decreased by 5.26%
1 Week
47.38%
decreased by 5.10%
1 Month
47.79%
decreased by 4.69%
Analysis last updated: Saturday, August 22, 2026 at 07:09 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 8, 2020 to Aug 21, 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 = 4.30 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 | 9.3246 | 5.27*** |
α ARCH Response to squared shocks | 0.1084 | 10.43*** |
β GARCH Volatility persistence | 0.9339 | 74.69*** |
ν DF Student-t tail thickness | 4.3020 | 4.34*** |
Persistence:
0.934
Half-life:
10 days
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