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V-Lab

Gree Electric Appliances Inc of Zhuhai Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

22.91%

decreased by 0.85%

1 Week

23.05%

decreased by 0.71%

1 Month

23.42%

decreased by 0.34%

Analysis last updated: Friday, September 11, 2026 at 06:26 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Gree Electric Appliances Inc of Zhuhai S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 18, 1996 to Sep 4, 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 11 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
ωconst1.7657
4.40***
αARCH0.0736
6.95***
βGARCH0.8638
43.55***
γi Spline Coefficients
K=7
γ10.0604
1.31
γ20.0167
0.26
γ3-0.1824
-4.40***
γ40.1644
4.19***
γ5-0.0807
-2.35**
γ60.0123
0.39
γ70.0261
1.08

0.937

Persistence

11d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7657
4.40***
α

ARCH

Response to squared shocks

0.0736
6.95***
β

GARCH

Volatility persistence

0.8638
43.55***
γi Spline Coefficients
K=7
γ10.0604
1.31
γ20.0167
0.26
γ3-0.1824
-4.40***
γ40.1644
4.19***
γ5-0.0807
-2.35**
γ60.0123
0.39
γ70.0261
1.08

Persistence:

0.937

Half-life:

11 days