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Abionyx Pharma SA GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

189.37%

decreased by 50.28%

1 Week

193.79%

decreased by 45.86%

1 Month

202.82%

decreased by 36.83%

Analysis last updated: Sunday, September 20, 2026 at 02:33 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Abionyx Pharma SA GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 15, 2016 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days. Returns follow a Student-t distribution with v = 2.11 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 6-day half-lifev = 2.11 · fat tails
ParamValuet-stat
ωconst177.5974
0.55
αARCH0.1749
3.44***
βGARCH0.8942
4.64***
νDF2.1054
16.45***

0.894

Persistence

6d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

177.5974
0.55
α

ARCH

Response to squared shocks

0.1749
3.44***
β

GARCH

Volatility persistence

0.8942
4.64***
ν

DF

Student-t tail thickness

2.1054
16.45***

Persistence:

0.894

Half-life:

6 days