Fresenius SE & Co KGaA GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
28.48%
increased by 1.42%
1 Week
28.54%
increased by 1.48%
1 Month
28.78%
increased by 1.72%
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
Volatility shocks decay with a half-life of 46 trading days, meaning a shock loses half its impact after approximately 46 days. Returns follow a Student-t distribution with v = 4.63 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.7360 | 5.05*** |
α ARCH Response to squared shocks | 0.0599 | 25.54*** |
β GARCH Volatility persistence | 0.9852 | 321.43*** |
ν DF Student-t tail thickness | 4.6288 | 8.21*** |
Persistence:
0.985
Half-life:
46 days
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