V-Lab
Fresenius SE & Co KGaA GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
20.91%
decreased by 0.29%
1 Week
21.21%
increased by 0.01%
1 Month
22.30%
increased by 1.10%
Analysis last updated: Saturday, September 19, 2026 at 08:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 7, 1992 to Sep 18, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 190% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 190% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0465 | 3.53*** |
| αARCH | 0.0250 | 2.94*** |
| βGARCH | 0.9392 | 99.68*** |
| γleverage | 0.0476 | 2.53** |
0.988
Persistence57d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0465 | 3.53*** |
α ARCH Response to squared shocks | 0.0250 | 2.94*** |
β GARCH Volatility persistence | 0.9392 | 99.68*** |
γ leverage Additional response to negative shocks | 0.0476 | 2.53** |
Persistence:
0.988
Half-life:
57 days
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