V-Lab
Rheinmetall AG MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
40.42%
1 Week
40.54%
1 Month
41.02%
Analysis last updated: Wednesday, September 16, 2026 at 08:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 2, 2019 to Sep 14, 2026Model Insight
With persistence 0.995, volatility shocks have a half-life of 139 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
MF2-GARCH Model
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0625 | 1.13 |
| βGARCH | 0.9432 | 26.95*** |
| γleverage | -0.0213 | -0.46 |
| λ₁tau intercept | 10.0000 | 1.28 |
| λ₂forecast adj. | 0.0000 | 0.00 |
| λ₃tau persistence | 0.0489 | 0.04 |
0.995
Persistence139d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0625 | 1.13 |
β GARCH Volatility persistence | 0.9432 | 26.95*** |
γ leverage Additional response to negative shocks | -0.0213 | -0.46 |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 1.28 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.0489 | 0.04 |
Persistence:
0.995
Half-life:
139 days
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