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	param	t-stat
$ω$	65.6273	7.04
$α$	0.0519	24.06
$β$	0.9990	4,362.45
$ν$	5.3902	6.70

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Atour Lifestyle HLD Ltd -Ads GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:48.70% (-0.42%)

Date Range:

Parameter Estimates

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