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	param	t-stat
$ω$	3.0278	5.00
$α$	0.0704	59.50
$β$	0.9942	861.50
$ν$	4.7335	20.19

V-Lab

Graham Holdings Co GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:30.15% (-0.29%)

Date Range:

Parameter Estimates

Other Graham Holdings Co Analyses