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Jinbei Automotive Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Thursday, October 8th, 2026

1 Day

41.11%

decreased by 2.75%

1 Week

40.68%

decreased by 3.18%

1 Month

39.56%

decreased by 4.30%

Analysis last updated: Thursday, October 1, 2026 at 06:42 PM UTC

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Date Range:

from

09/30/2024

to

09/30/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Jinbei Automotive Co Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 24, 1992 to Sep 30, 2026

Model 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 9 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.3827
4.20***
αARCH0.1131
8.50***
βGARCH0.8152
39.28***
∑γi Spline Coefficients
K=6
γ1-0.0320
-0.98
γ20.0754
1.65*
γ3-0.0718
-3.18***
γ40.0486
3.01***
γ5-0.0422
-2.85***
γ60.0343
3.00***

0.928

Persistence

9d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3827
4.20***
α

ARCH

Response to squared shocks

0.1131
8.50***
β

GARCH

Volatility persistence

0.8152
39.28***
∑γi Spline Coefficients
K=6
γ1-0.0320
-0.98
γ20.0754
1.65*
γ3-0.0718
-3.18***
γ40.0486
3.01***
γ5-0.0422
-2.85***
γ60.0343
3.00***

Persistence:

0.928

Half-life:

9 days