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	param	t-stat
$ω$	2.6792	3.23
$α$	0.0989	3.51
$β$	0.7774	13.80
$γ_{1}$	2.7734	4.56
$γ_{2}$	-3.6243	-4.20
$γ_{3}$	1.5853	2.52
$γ_{4}$	-1.4993	-2.19
$γ_{5}$	1.5476	1.96
$γ_{6}$	-1.9588	-1.82
$γ_{7}$	2.0075	1.57
$γ_{8}$	-1.1550	-1.00
$γ_{9}$	0.1022	0.11
$γ_{10}$	2.6537	1.98

V-Lab

Poval Kogyo Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:84.07% (-8.95%)

Date Range:

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News Impact Curve

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