Skip to main content
V-Lab

Guangdong Shunna Electric Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

71.81%

increased by 14.93%

1 Week

71.76%

increased by 14.88%

1 Month

71.57%

increased by 14.69%

Analysis last updated: Saturday, July 25, 2026 at 11:16 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Guangdong Shunna Electric Co Ltd GAS-GARCH-T

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

With persistence 0.992, volatility shocks have a half-life of 81 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 4.92 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

18.8077
4.34***
α

ARCH

Response to squared shocks

0.1146
57.00***
β

GARCH

Volatility persistence

0.9915
512.95***
ν

DF

Student-t tail thickness

4.9181
18.01***

Persistence:

0.992

Half-life:

81 days