V-Lab
Ardagh Metal Packaging S A MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 22nd, 2026
1 Day
48.70%
1 Week
53.11%
1 Month
54.67%
Analysis last updated: Tuesday, September 22, 2026 at 07:13 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 11, 2021 to Sep 18, 2026Model Insight
This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.
MF2-GARCH Model
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 61 | |
| αARCH | 0.3515 | 6.26*** |
| βGARCH | 0.0727 | 0.71 |
| γleverage | -0.3094 | -5.13*** |
| λ₁tau intercept | 4.8695 | 0.90 |
| λ₂forecast adj. | 0.3550 | 0.95 |
| λ₃tau persistence | 0.2756 | 0.36 |
0.270
Persistence1d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 61 | |
α ARCH Response to squared shocks | 0.3515 | 6.26*** |
β GARCH Volatility persistence | 0.0727 | 0.71 |
γ leverage Additional response to negative shocks | -0.3094 | -5.13*** |
λ₁ tau intercept Baseline long-term coefficient | 4.8695 | 0.90 |
λ₂ forecast adj. Forecast performance sensitivity | 0.3550 | 0.95 |
λ₃ tau persistence Long-term factor persistence | 0.2756 | 0.36 |
Persistence:
0.270
Half-life:
1 days
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