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	param	t-stat
$ω$	1.4966	3.69
$α$	0.0915	9.08
$β$	0.8729	68.97
$γ_{1}$	0.0195	0.47
$γ_{2}$	0.0341	0.61
$γ_{3}$	-0.1303	-4.50
$γ_{4}$	0.1496	4.78
$γ_{5}$	-0.1341	-3.90
$γ_{6}$	0.0904	2.84
$γ_{7}$	-0.0233	-0.80
$γ_{8}$	-0.0140	-0.63

V-Lab

HeidelbergCement AG Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:53.42% (-3.32%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other HeidelbergCement AG Analyses