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V-Lab

Giant Biogene Holding Co GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

55.59%

increased by 4.86%

1 Week

55.42%

increased by 4.69%

1 Month

54.83%

increased by 4.10%

Analysis last updated: Saturday, August 22, 2026 at 09:01 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Giant Biogene Holding Co GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 4, 2022 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days. Returns follow a Student-t distribution with v = 3.87 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

10.8929
3.57***
α

ARCH

Response to squared shocks

0.0445
9.39***
β

GARCH

Volatility persistence

0.9710
131.26***
ν

DF

Student-t tail thickness

3.8745
3.32***

Persistence:

0.971

Half-life:

24 days