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	param	t-stat
$ω$	0.0913	24.20
$α$	0.0737	40.62
$β$	0.9080	441.63

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Hitachi Ltd GARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:52.42% (-2.35%)

Date Range:

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News Impact Curve

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