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V-Lab

Abionyx Pharma SA GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

80.80%

decreased by 0.70%

1 Week

82.22%

increased by 0.72%

1 Month

86.47%

increased by 4.97%

Analysis last updated: Sunday, September 20, 2026 at 02:32 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Abionyx Pharma SA GJR-GARCH

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 17 trading days, meaning a shock loses half its impact after approximately 17 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 17-day half-life
ParamValuet-stat
ωconst1.5353
0.76
αARCH0.0392
0.83
βGARCH0.9227
13.26***
γleverage-0.0052
-0.05

0.959

Persistence

17d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.5353
0.76
α

ARCH

Response to squared shocks

0.0392
0.83
β

GARCH

Volatility persistence

0.9227
13.26***
γ

leverage

Additional response to negative shocks

-0.0052
-0.05

Persistence:

0.959

Half-life:

17 days