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	param	t-stat
$ω$	4.6885	5.06
$α$	0.0486	66.37
$β$	0.9973	1,951.70
$ν$	5.4998	17.90

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Costco Wholesale Corp GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:24.91% (+1.00%)

Date Range:

Parameter Estimates

Other Costco Wholesale Corp Analyses