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V-Lab

Concord Biotech Limited GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

39.05%

increased by 0.85%

1 Week

39.42%

increased by 1.22%

1 Month

40.25%

increased by 2.05%

Analysis last updated: Tuesday, August 25, 2026 at 06:59 PM UTC

Date Range:

from

to

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 Aug 21, 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 = 4.05 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

6.7392
2.91***
α

ARCH

Response to squared shocks

0.0539
2.59***
β

GARCH

Volatility persistence

0.9083
32.60***
ν

DF

Student-t tail thickness

4.0502
0.99

Persistence:

0.908

Half-life:

7 days