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V-Lab

Abionyx Pharma SA Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

53.25%

decreased by 51.07%

1 Week

59.80%

decreased by 44.52%

1 Month

62.64%

decreased by 41.68%

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 S0GARCH

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

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

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst4.1173
1.96**
αARCH0.4352
3.63***
βGARCH0.0590
0.82
γi Spline Coefficients
K=8
γ143.0486
5.50***
γ2-68.0667
-6.02***
γ335.7138
3.81***
γ4-14.7763
-1.53
γ511.5456
1.15
γ6-16.0298
-1.65*
γ713.0569
1.65*
γ8-5.0031
-1.22

0.494

Persistence

1d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.1173
1.96**
α

ARCH

Response to squared shocks

0.4352
3.63***
β

GARCH

Volatility persistence

0.0590
0.82
γi Spline Coefficients
K=8
γ143.0486
5.50***
γ2-68.0667
-6.02***
γ335.7138
3.81***
γ4-14.7763
-1.53
γ511.5456
1.15
γ6-16.0298
-1.65*
γ713.0569
1.65*
γ8-5.0031
-1.22

Persistence:

0.494

Half-life:

1 days