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V-Lab

Wuxi Honghui New Materials Technology Co., Ltd. GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

63.98%

increased by 1.18%

1 Week

64.44%

increased by 1.64%

1 Month

66.25%

increased by 3.45%

Analysis last updated: Saturday, July 25, 2026 at 11:21 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Wuxi Honghui New Materials Technology Co., Ltd. GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 29, 2016 to Jul 24, 2026

Model Insight

With persistence 0.999, volatility shocks have a half-life of 678 trading days (~2.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 4.17 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

131.5781
13.22***
α

ARCH

Response to squared shocks

0.1050
59.52***
β

GARCH

Volatility persistence

0.9990
ν

DF

Student-t tail thickness

4.1732
26.80***

Persistence:

0.999

Half-life:

678 days