V-Lab
Fresenius Medical Care AG GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
27.40%
decreased by 0.48%
1 Week
27.43%
decreased by 0.45%
1 Month
27.56%
decreased by 0.32%
Analysis last updated: Tuesday, September 8, 2026 at 08:05 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 3, 1996 to Sep 4, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 265% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 265% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0344 | 2.81*** |
| αARCH | 0.0151 | 2.26** |
| βGARCH | 0.9545 | 149.28*** |
| γleverage | 0.0402 | 2.88*** |
0.990
Persistence67d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0344 | 2.81*** |
α ARCH Response to squared shocks | 0.0151 | 2.26** |
β GARCH Volatility persistence | 0.9545 | 149.28*** |
γ leverage Additional response to negative shocks | 0.0402 | 2.88*** |
Persistence:
0.990
Half-life:
67 days
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