V-Lab
Rheinmetall AG Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
47.90%
decreased by 1.49%
1 Week
50.26%
increased by 0.87%
1 Month
53.68%
increased by 4.29%
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
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
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.5950 | 6.37*** |
| αARCH | 0.1274 | 1.70* |
| βGARCH | 0.7037 | 5.48*** |
Spline Coefficients
K=6
| γ1 | -1.8526 | -4.55*** |
| γ2 | 3.5652 | 5.62*** |
| γ3 | -3.4004 | -6.28*** |
| γ4 | 2.9497 | 4.76*** |
| γ5 | -1.6910 | -2.53** |
| γ6 | 0.3593 | 0.63 |
0.831
Persistence4d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5950 | 6.37*** |
α ARCH Response to squared shocks | 0.1274 | 1.70* |
β GARCH Volatility persistence | 0.7037 | 5.48*** |
Spline Coefficients
K=6
| γ1 | -1.8526 | -4.55*** |
| γ2 | 3.5652 | 5.62*** |
| γ3 | -3.4004 | -6.28*** |
| γ4 | 2.9497 | 4.76*** |
| γ5 | -1.6910 | -2.53** |
| γ6 | 0.3593 | 0.63 |
Persistence:
0.831
Half-life:
4 days
Other Rheinmetall AG Analyses
Other Zero Slope Spline-GARCH Analyses on International Equities