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	param	t-stat
$ω$	0.2393	9.29
$α$	0.0857	26.08
$β$	0.8628	125.82

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Idemitsu Kosan Co Ltd GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 24th, 2026:30.55% (-1.15%)

Date Range:

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News Impact Curve

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