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	param	t-stat
$ω$	3.0068	4.99
$α$	0.0701	59.52
$β$	0.9942	861.50
$ν$	4.7271	20.18

V-Lab

Graham Holdings Co GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 10th, 2026:30.49% (+3.58%)

Date Range:

Parameter Estimates

Other Graham Holdings Co Analyses