V-Lab
Rheinmetall AG Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
46.31%
increased by 1.13%
1 Week
49.19%
increased by 4.01%
1 Month
53.21%
increased by 8.03%
Analysis last updated: Tuesday, August 25, 2026 at 07:14 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 2, 2019 to Aug 21, 2026Model 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 4 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5858 | 6.42*** |
α ARCH Response to squared shocks | 0.1262 | 1.70* |
β GARCH Volatility persistence | 0.6995 | 5.31*** |
Spline Coefficients
K=6
| γ1 | -1.9854 | -4.85*** |
| γ2 | 3.7994 | 5.91*** |
| γ3 | -3.5742 | -6.42*** |
| γ4 | 3.0388 | 4.78*** |
| γ5 | -1.6742 | -2.45** |
| γ6 | 0.3021 | 0.52 |
Persistence:
0.826
Half-life:
4 days
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