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V-Lab

Abionyx Pharma SA Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

50.11%

decreased by 1.83%

1 Week

63.36%

increased by 11.42%

1 Month

69.41%

increased by 17.47%

Analysis last updated: Wednesday, August 5, 2026 at 08:30 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Abionyx Pharma SA S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 15, 2016 to Jul 31, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 1 trading day.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.5654
1.94*
α

ARCH

Response to squared shocks

0.4770
4.04***
β

GARCH

Volatility persistence

0.0644
1.00
γi Spline Coefficients
K=8
γ149.2214
5.51***
γ2-76.6909
-5.70***
γ338.6394
3.46***
γ4-16.2558
-1.39
γ514.3557
1.21
γ6-18.4204
-1.75*
γ713.3857
1.81*
γ8-4.6883
-1.24

Persistence:

0.541

Half-life:

1 days