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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 Monday, February 16th, 2026:56.08% (+6.13%)

Date Range:

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News Impact Curve

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