V-Lab
Jinbei Automotive Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
34.86%
decreased by 2.81%
1 Week
36.17%
decreased by 1.50%
1 Month
40.19%
increased by 2.52%
Analysis last updated: Tuesday, August 25, 2026 at 06:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 24, 1992 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 22 trading days, meaning a shock loses half its impact after approximately 22 days. Returns follow a Student-t distribution with v = 4.27 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 | 11.0352 | 7.01*** |
α ARCH Response to squared shocks | 0.1018 | 30.15*** |
β GARCH Volatility persistence | 0.9692 | 214.85*** |
ν DF Student-t tail thickness | 4.2719 | 11.84*** |
Persistence:
0.969
Half-life:
22 days
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