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	param	t-stat
$ω$	4.7931	3.82
$α$	0.0634	18.68
$β$	0.9828	200.85
$ν$	4.3827	6.44

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Idemitsu Kosan Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:35.61% (-0.72%)

Date Range:

Parameter Estimates

Other Idemitsu Kosan Co Ltd Analyses