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	param	t-stat
$ω$	0.0202	9.22
$α$	0.0244	10.85
$β$	0.9538	388.20
$γ$	0.0370	9.66

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Costco Wholesale Corp GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:21.90% (-0.38%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Costco Wholesale Corp Analyses