V-Lab
Stroeer Se & Co Kgaa GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
29.63%
decreased by 2.57%
1 Week
30.26%
decreased by 1.94%
1 Month
31.34%
decreased by 0.86%
Analysis last updated: Saturday, August 22, 2026 at 06:21 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 12, 2017 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5668 | 10.10*** |
α ARCH Response to squared shocks | 0.1697 | 9.90*** |
β GARCH Volatility persistence | 0.7086 | 32.84*** |
γ leverage Additional response to negative shocks | -0.0331 | -1.52 |
Persistence:
0.862
Half-life:
5 days
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