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	param	t-stat
$ω$	0.5065	5.52
$α$	0.1529	9.27
$β$	0.7950	42.79
$γ_{1}$	-0.0425	-5.04
$γ_{2}$	0.0534	4.19
$γ_{3}$	-0.0163	-2.04
$γ_{4}$	0.0089	1.77

V-Lab

Kosei Securities Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:34.26% (+2.74%)

Date Range:

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News Impact Curve

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