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	param	t-stat
$ω$	0.0150	17.44
$α$	0.0559	34.47
$β$	0.9397	566.75

V-Lab

Graham Holdings Co GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:25.97% (+0.77%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Graham Holdings Co Analyses