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	param	t-stat
$ω$	2.0287	3.66
$α$	0.3484	2.32
$β$	0.0480	0.50
$γ_{1}$	0.1153	0.44

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Seibu Giken Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:91.17% (+65.69%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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