Fresenius SE & Co KGaA Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
25.67%
increased by 0.66%
1 Week
25.84%
increased by 0.83%
1 Month
26.39%
increased by 1.38%
Analysis last updated: Tuesday, July 14, 2026 at 06:32 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 7, 1992 to Jul 10, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 23 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6694 | 8.00*** |
α ARCH Response to squared shocks | 0.0590 | 5.35*** |
β GARCH Volatility persistence | 0.9116 | 51.61*** |
Spline Coefficients
K=3
| γ1 | -0.0178 | -5.13*** |
| γ2 | 0.0249 | 4.98*** |
| γ3 | -0.0087 | -3.43*** |
Persistence:
0.971
Half-life:
23 days
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