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	param	t-stat
$ω$	1.4825	4.99
$α$	0.2041	3.04
$β$	0.3274	1.37
$γ_{1}$	1.9554	1.22
$γ_{2}$	-2.9406	-1.18
$γ_{3}$	3.8512	1.82
$γ_{4}$	-6.5887	-2.86
$γ_{5}$	6.7358	3.07
$γ_{6}$	-4.2649	-2.93

V-Lab

Koei Tecmo Holdings Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:50.77% (-14.75%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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