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	param	t-stat
$ω$	4.9176	7.05
$α$	0.0607	35.86
$β$	0.9889	583.75
$ν$	6.1618	7.98

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Hitachi Ltd GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:52.32% (+5.89%)

Date Range:

Parameter Estimates

Other Hitachi Ltd Analyses