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	param	t-stat
$ω$	1.0678	5.77
$α$	0.1119	7.87
$β$	0.8550	42.01
$γ_{1}$	-0.0123	-2.83
$γ_{2}$	0.0165	2.62
$γ_{3}$	-0.0034	-1.01

V-Lab

Nihon Seiko Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:83.20% (-6.27%)

Date Range:

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News Impact Curve

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