V-Lab
Fresenius SE & Co KGaA GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
23.36%
decreased by 0.32%
1 Week
23.55%
decreased by 0.13%
1 Month
24.27%
increased by 0.59%
Analysis last updated: Friday, September 11, 2026 at 07:12 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 7, 1992 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 55 trading days, meaning a shock loses half its impact after approximately 55 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 55-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0459 | 3.57*** |
| αARCH | 0.0512 | 6.84*** |
| βGARCH | 0.9363 | 98.60*** |
0.987
Persistence55d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0459 | 3.57*** |
α ARCH Response to squared shocks | 0.0512 | 6.84*** |
β GARCH Volatility persistence | 0.9363 | 98.60*** |
Persistence:
0.987
Half-life:
55 days
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