Skip to main content
V-Lab
V-Lab

Jinbei Automotive Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

44.76%

increased by 14.64%

1 Week

43.92%

increased by 13.80%

1 Month

41.66%

increased by 11.54%

Analysis last updated: Wednesday, September 16, 2026 at 03:25 PM UTC

Date Range:

from

to

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 14, 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 10 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
ωconst1.3926
4.24***
αARCH0.1106
8.43***
βGARCH0.8203
40.30***
γi Spline Coefficients
K=6
γ1-0.0319
-0.98
γ20.0755
1.64
γ3-0.0720
-3.16***
γ40.0487
2.99***
γ5-0.0425
-2.84***
γ60.0346
2.99***

0.931

Persistence

10d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3926
4.24***
α

ARCH

Response to squared shocks

0.1106
8.43***
β

GARCH

Volatility persistence

0.8203
40.30***
γi Spline Coefficients
K=6
γ1-0.0319
-0.98
γ20.0755
1.64
γ3-0.0720
-3.16***
γ40.0487
2.99***
γ5-0.0425
-2.84***
γ60.0346
2.99***

Persistence:

0.931

Half-life:

10 days