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	param	t-stat
$ω$	0.0910	24.20
$α$	0.0730	40.44
$β$	0.9086	442.56

V-Lab

Hitachi Ltd GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:40.90% (+1.98%)

Date Range:

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News Impact Curve

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