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

Volatility prediction for Friday, September 11th, 2026

1 Day

87.28%

decreased by 6.54%

1 Week

105.21%

increased by 11.39%

1 Month

153.93%

increased by 60.11%

Analysis last updated: Friday, September 11, 2026 at 09:23 PM UTC

Date Range:

from

to

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 Sep 4, 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
ωconst540.7128
0.66
αARCH0.1648
27.91***
βGARCH0.9864
48.89***
νDF2.0201
557.72***

0.986

Persistence

51d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

540.7128
0.66
α

ARCH

Response to squared shocks

0.1648
27.91***
β

GARCH

Volatility persistence

0.9864
48.89***
ν

DF

Student-t tail thickness

2.0201
557.72***

Persistence:

0.986

Half-life:

51 days