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	param	t-stat
$ω$	0.0150	17.03
$α$	0.0558	34.40
$β$	0.9397	564.39
$γ$	0.0426	1.05

V-Lab

Graham Holdings Co AGARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:25.06% (-0.06%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Graham Holdings Co Analyses