V-Lab
Fresenius SE & Co KGaA GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
22.08%
decreased by 0.33%
1 Week
22.34%
decreased by 0.07%
1 Month
23.28%
increased by 0.87%
Analysis last updated: Saturday, August 22, 2026 at 08:38 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 7, 1992 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 188% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0466 | 14.12*** |
α ARCH Response to squared shocks | 0.0251 | 11.78*** |
β GARCH Volatility persistence | 0.9392 | 398.49*** |
γ leverage Additional response to negative shocks | 0.0473 | 10.00*** |
Persistence:
0.988
Half-life:
57 days
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