V-Lab
Jinbei Automotive Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
44.16%
increased by 9.12%
1 Week
44.72%
increased by 9.68%
1 Month
46.51%
increased by 11.47%
Analysis last updated: Wednesday, September 16, 2026 at 03:24 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 24, 1992 to Sep 14, 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
Shock decay: Shocks decay with a 22-day half-lifev = 4.27 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 11.0281 | 1.75* |
| αARCH | 0.1020 | 7.52*** |
| βGARCH | 0.9690 | 53.43*** |
| νDF | 4.2658 | 2.96*** |
0.969
Persistence22d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 11.0281 | 1.75* |
α ARCH Response to squared shocks | 0.1020 | 7.52*** |
β GARCH Volatility persistence | 0.9690 | 53.43*** |
ν DF Student-t tail thickness | 4.2658 | 2.96*** |
Persistence:
0.969
Half-life:
22 days
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