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	param	t-stat
$ω$	1.0483	4.65
$α$	0.2527	8.53
$β$	0.6407	17.63
$γ_{1}$	0.0091	0.16
$γ_{2}$	-0.0109	-0.14
$γ_{3}$	0.0447	0.82
$γ_{4}$	-0.1166	-1.89
$γ_{5}$	0.1119	1.79
$γ_{6}$	-0.0812	-1.37
$γ_{7}$	0.0801	1.65

V-Lab

Ishii Hyoki Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:35.24% (+2.30%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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