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	param	t-stat
$ω$	1.0308	5.95
$α$	0.0566	7.74
$β$	0.9158	85.67
$γ_{1}$	0.0516	1.02
$γ_{2}$	0.0342	0.41
$γ_{3}$	-0.2440	-4.37
$γ_{4}$	0.2855	5.87
$γ_{5}$	-0.2083	-3.85
$γ_{6}$	0.1152	2.35
$γ_{7}$	-0.0255	-0.57
$γ_{8}$	-0.0103	-0.24
$γ_{9}$	-0.0065	-0.21

V-Lab

Siemens AG Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, December 22nd, 2025:27.98% (-0.70%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Siemens AG Analyses