V-Lab
Rheinmetall AG GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
51.64%
decreased by 0.81%
1 Week
51.78%
decreased by 0.67%
1 Month
52.32%
decreased by 0.13%
Analysis last updated: Wednesday, August 5, 2026 at 07:15 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 2, 2019 to Jul 31, 2026Model Insight
With persistence 0.995, volatility shocks have a half-life of 144 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0799 | 5.65*** |
α ARCH Response to squared shocks | 0.0645 | 4.41*** |
β GARCH Volatility persistence | 0.9249 | 85.26*** |
γ leverage Additional response to negative shocks | 0.0115 | 1.02 |
Persistence:
0.995
Half-life:
144 days
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