Jinbei Automotive Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Thursday, October 29th, 2026
1 Day
44.77%
decreased by 2.77%
1 Week
45.16%
decreased by 2.38%
1 Month
46.43%
decreased by 1.11%
Analysis last updated: Thursday, October 29, 2026 at 08:58 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 24, 1992 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days. Returns follow a Student-t distribution with v = 4.94 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
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Shock decay: Shocks decay with a 21-day half-lifev = 4.94 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωlong-run | 10.8405 | 2.20** |
| αscore | 0.1022 | 7.58*** |
| βpersistence | 0.9681 | 63.97*** |
| νDF | 4.9433 | 2.43** |
0.968
Persistence21d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω long-run Long-run variance given a price move | 10.8405 | 2.20** |
α score Weight on the scaled score | 0.1022 | 7.58*** |
β persistence Volatility persistence | 0.9681 | 63.97*** |
ν DF Student-t tail thickness | 4.9433 | 2.43** |
Persistence:
0.968
Half-life:
21 days
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