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	param	t-stat
$ω$	0.0760	17.59
$α$	0.0406	18.17
$β$	0.9072	383.11
$γ$	0.0763	12.63

V-Lab

HeidelbergCement AG GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, December 22nd, 2025:29.52% (-1.13%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other HeidelbergCement AG Analyses