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V-Lab

Jiangyin Zhongnan Heavy Industries Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 17th, 2026

1 Day

44.55%

increased by 4.67%

1 Week

44.82%

increased by 4.94%

1 Month

45.75%

increased by 5.87%

Analysis last updated: Saturday, August 15, 2026 at 07:15 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Jiangyin Zhongnan Heavy Industries Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 13, 2010 to Aug 14, 2026

Model Insight

Volatility shocks decay with a half-life of 30 trading days, meaning a shock loses half its impact after approximately 30 days. Returns follow a Student-t distribution with v = 4.57 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

10.0804
4.57***
α

ARCH

Response to squared shocks

0.0996
26.80***
β

GARCH

Volatility persistence

0.9775
176.48***
ν

DF

Student-t tail thickness

4.5746
8.71***

Persistence:

0.978

Half-life:

30 days