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V-Lab

Concord Biotech Limited GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

42.00%

decreased by 1.75%

1 Week

41.86%

decreased by 1.89%

1 Month

41.54%

decreased by 2.21%

Analysis last updated: Wednesday, October 7, 2026 at 07:07 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

All

graph of Concord Biotech Limited GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 18, 2023 to Oct 1, 2026

Model Insight

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days. Returns follow a Student-t distribution with v = 4.20 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 7-day half-lifev = 4.20 · fat tails
ParamValuet-stat
ωconst6.7242
0.78
αARCH0.0538
0.64
βGARCH0.9079
9.07***
νDF4.1974
0.24

0.908

Persistence

7d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

6.7242
0.78
α

ARCH

Response to squared shocks

0.0538
0.64
β

GARCH

Volatility persistence

0.9079
9.07***
ν

DF

Student-t tail thickness

4.1974
0.24

Persistence:

0.908

Half-life:

7 days