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V-Lab

Ardagh Metal Packaging S A Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

51.53%

increased by 3.41%

1 Week

53.83%

increased by 5.71%

1 Month

56.17%

increased by 8.05%

Analysis last updated: Friday, September 11, 2026 at 07:05 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Ardagh Metal Packaging S A S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 11, 2021 to Sep 10, 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 2 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.1544
8.51***
αARCH0.1780
4.60***
βGARCH0.5690
6.43***
γi Spline Coefficients
K=1
γ10.0128
1.40

0.747

Persistence

2d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1544
8.51***
α

ARCH

Response to squared shocks

0.1780
4.60***
β

GARCH

Volatility persistence

0.5690
6.43***
γi Spline Coefficients
K=1
γ10.0128
1.40

Persistence:

0.747

Half-life:

2 days