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V-Lab
V-Lab

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

Volatility prediction for Thursday, October 29th, 2026

1 Day

60.28%

decreased by 7.19%

1 Week

62.78%

decreased by 4.69%

1 Month

70.88%

increased by 3.41%

Analysis last updated: Thursday, October 29, 2026 at 10:02 PM UTC

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Date Range:

from

10/28/2024

to

10/28/2026

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 23, 2026

Model Insight

Volatility shocks decay with a half-life of 35 trading days, meaning a shock loses half its impact after approximately 35 days. Returns follow a Student-t distribution with v = 4.48 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 35-day half-lifev = 4.48 · fat tails
ParamValuet-stat
ωlong-run46.5180
1.24
αscore0.1443
3.76***
βpersistence0.9804
53.19***
νDF4.4823
1.62

0.980

Persistence

35d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

46.5180
1.24
α

score

Weight on the scaled score

0.1443
3.76***
β

persistence

Volatility persistence

0.9804
53.19***
ν

DF

Student-t tail thickness

4.4823
1.62

Persistence:

0.980

Half-life:

35 days