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	param	t-stat
$ω$	4.9006	7.07
$α$	0.0605	35.94
$β$	0.9888	583.73
$ν$	6.1607	7.96

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Hitachi Ltd GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 24th, 2026:47.36% (-1.78%)

Date Range:

Parameter Estimates

Other Hitachi Ltd Analyses