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	param	t-stat
$ω$	2.7599	4.98
$α$	0.0600	19.21
$β$	0.9795	224.87
$ν$	4.6729	6.08

V-Lab

WW Grainger Inc GAS-GARCH Student T Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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