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	param	t-stat
$ω$	1.1166	12.09
$α$	0.1046	10.06
$β$	0.8455	51.46
$γ_{1}$	0.0002	1.46

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Hitachi Construction Machinery Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 24th, 2026:37.89% (-2.08%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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