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V-Lab
V-Lab

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

Volatility prediction for Tuesday, September 15th, 2026

1 Day

73.50%

increased by 11.72%

1 Week

75.00%

increased by 13.22%

1 Month

80.18%

increased by 18.40%

Analysis last updated: Wednesday, September 16, 2026 at 07:25 PM UTC

Date Range:

from

to

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 Sep 14, 2026

Model Insight

Volatility shocks decay with a half-life of 44 trading days, meaning a shock loses half its impact after approximately 44 days. Returns follow a Student-t distribution with v = 3.88 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 44-day half-lifev = 3.88 · fat tails
ParamValuet-stat
ωconst50.0187
1.31
αARCH0.1359
4.12***
βGARCH0.9843
71.44***
νDF3.8775
2.56**

0.984

Persistence

44d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

50.0187
1.31
α

ARCH

Response to squared shocks

0.1359
4.12***
β

GARCH

Volatility persistence

0.9843
71.44***
ν

DF

Student-t tail thickness

3.8775
2.56**

Persistence:

0.984

Half-life:

44 days