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	param	t-stat
$ω$	1.4618	4.01
$α$	0.1746	6.02
$β$	0.6662	13.34
$γ_{1}$	-0.0876	-2.76
$γ_{2}$	0.1302	2.93
$γ_{3}$	-0.0487	-1.51
$γ_{4}$	0.0439	1.27
$γ_{5}$	-0.0902	-2.95
$γ_{6}$	0.0748	3.98

V-Lab

Watami Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:21.98% (+1.97%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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