Skip to main content
V-Lab

Hongxing Coldchain Hunan Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

25.75%

decreased by 3.64%

1 Week

36.94%

increased by 7.55%

1 Month

57.94%

increased by 28.55%

Analysis last updated: Saturday, August 22, 2026 at 08:55 PM UTC

Date Range:

from

to

6M ·

All

graph of Hongxing Coldchain Hunan Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 13, 2026 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days. Returns follow a Student-t distribution with v = 7.53 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

29.7600
3.90***
α

ARCH

Response to squared shocks

0.4671
11.51***
β

GARCH

Volatility persistence

0.9458
72.22***
ν

DF

Student-t tail thickness

7.5341
3.21***

Persistence:

0.946

Half-life:

12 days