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V-Lab
V-Lab

Guangdong Tianyu Semiconductor Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

70.39%

decreased by 9.36%

1 Week

72.34%

decreased by 7.41%

1 Month

78.84%

decreased by 0.91%

Analysis last updated: Wednesday, October 7, 2026 at 06:49 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

All

graph of Guangdong Tianyu Semiconductor Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 5, 2025 to Oct 2, 2026

Model Insight

Volatility shocks decay with a half-life of 36 trading days, meaning a shock loses half its impact after approximately 36 days. Returns follow a Student-t distribution with v = 4.04 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 36-day half-lifev = 4.04 · fat tails
ParamValuet-stat
ωconst49.0279
1.23
αARCH0.1455
3.93***
βGARCH0.9808
57.64***
νDF4.0414
2.17**

0.981

Persistence

36d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

49.0279
1.23
α

ARCH

Response to squared shocks

0.1455
3.93***
β

GARCH

Volatility persistence

0.9808
57.64***
ν

DF

Student-t tail thickness

4.0414
2.17**

Persistence:

0.981

Half-life:

36 days