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

Volatility prediction for Wednesday, October 7th, 2026

1 Day

145.55%

increased by 30.82%

1 Week

153.77%

increased by 39.04%

1 Month

180.88%

increased by 66.15%

Analysis last updated: Wednesday, October 7, 2026 at 08:40 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

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 2, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.02 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.

𝑓

GAS-GARCH-T Model

Tap to view equation

Unreliable tails: v = 2.02 sits at the infinite-variance boundary
ParamValuet-stat
ωconst483.1664
0.69
αARCH0.1608
28.52***
βGARCH0.9876
56.67***
νDF2.0233
518.80***

0.988

Persistence

56d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

483.1664
0.69
α

ARCH

Response to squared shocks

0.1608
28.52***
β

GARCH

Volatility persistence

0.9876
56.67***
ν

DF

Student-t tail thickness

2.0233
518.80***

Persistence:

0.988

Half-life:

56 days