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V-Lab

Abionyx Pharma SA GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

135.80%

decreased by 23.68%

1 Week

162.42%

increased by 2.94%

1 Month

206.99%

increased by 47.51%

Analysis last updated: Tuesday, August 25, 2026 at 08:30 PM 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 Aug 21, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.08 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

233.7727
2.16**
α

ARCH

Response to squared shocks

0.1780
13.54***
β

GARCH

Volatility persistence

0.8905
17.41***
ν

DF

Student-t tail thickness

2.0788
85.49***

Persistence:

0.891

Half-life:

6 days