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CH Biotech R&D Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Thursday, October 29th, 2026

1 Day

23.58%

decreased by 1.71%

1 Week

27.18%

increased by 1.89%

1 Month

36.12%

increased by 10.83%

Analysis last updated: Friday, October 30, 2026 at 12:15 AM UTC

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Date Range:

from

10/28/2024

to

10/28/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CH Biotech R&D Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 2, 2015 to Oct 27, 2026

Model Insight

Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days. Returns follow a Student-t distribution with v = 3.13 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 17-day half-lifev = 3.13 · fat tails
ParamValuet-stat
ωlong-run12.3683
1.07
αscore0.1851
8.73***
βpersistence0.9602
25.31***
νDF3.1321
5.40***

0.960

Persistence

17d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

12.3683
1.07
α

score

Weight on the scaled score

0.1851
8.73***
β

persistence

Volatility persistence

0.9602
25.31***
ν

DF

Student-t tail thickness

3.1321
5.40***

Persistence:

0.960

Half-life:

17 days