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V-Lab

Guangdong Shunna Electric Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

84.66%

increased by 16.28%

1 Week

82.37%

increased by 13.99%

1 Month

75.04%

increased by 6.66%

Analysis last updated: Saturday, July 25, 2026 at 11:18 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Guangdong Shunna Electric Co Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1994 to Jul 24, 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 15 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7978
3.92***
α

ARCH

Response to squared shocks

0.1410
11.07***
β

GARCH

Volatility persistence

0.8152
55.69***
γi Spline Coefficients
K=6
γ1-0.0176
-0.78
γ20.0921
2.70***
γ3-0.1512
-5.82***
γ40.1195
4.97***
γ5-0.0484
-1.83*
γ60.0021
0.10

Persistence:

0.956

Half-life:

15 days