Jinbei Automotive Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
35.41%
increased by 1.88%
1 Week
35.75%
increased by 2.22%
1 Month
36.64%
increased by 3.11%
Analysis last updated: Tuesday, July 14, 2026 at 06:00 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 24, 1992 to Jul 10, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 10 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3670 | 4.17*** |
α ARCH Response to squared shocks | 0.1097 | 8.39*** |
β GARCH Volatility persistence | 0.8223 | 40.60*** |
Spline Coefficients
K=6
| γ1 | -0.0347 | -1.04 |
| γ2 | 0.0792 | 1.69* |
| γ3 | -0.0731 | -3.17*** |
| γ4 | 0.0488 | 2.97*** |
| γ5 | -0.0423 | -2.78*** |
| γ6 | 0.0343 | 2.89*** |
Persistence:
0.932
Half-life:
10 days
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