V-Lab
Inner Mongolia Shuangxin Environment-Friendly Material Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
29.74%
decreased by 5.98%
1 Week
34.79%
decreased by 0.93%
1 Month
49.11%
increased by 13.39%
Analysis last updated: Saturday, August 22, 2026 at 07:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 30, 2025 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 56 trading days, meaning a shock loses half its impact after approximately 56 days. Returns follow a Student-t distribution with v = 4.81 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 | 56.5162 | 3.48*** |
α ARCH Response to squared shocks | 0.2782 | 16.53*** |
β GARCH Volatility persistence | 0.9877 | 284.54*** |
ν DF Student-t tail thickness | 4.8086 | 6.25*** |
Persistence:
0.988
Half-life:
56 days
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