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V-Lab

Abionyx Pharma SA AGARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

77.93%

decreased by 1.90%

1 Week

99.04%

increased by 19.21%

1 Month

135.96%

increased by 56.13%

Analysis last updated: Tuesday, July 14, 2026 at 08:23 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Abionyx Pharma SA AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 15, 2016 to Jul 3, 2026

Model Insight

The news-impact curve is shifted (γ = -3.19) so that positive returns raise next-day volatility more than negative returns of the same size. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and rare among risky assets.

σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

6.7143
7.28***
α

ARCH

Response to squared shocks

0.3470
12.50***
β

GARCH

Volatility persistence

0.5643
35.81***
γ

leverage

Additional response to negative shocks

-3.1862
-4.02***

Persistence:

0.911

Half-life:

7 days