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	param	t-stat
$ω$	1.9044	3.42
$α$	0.4629	6.48
$β$	0.3932	7.40
$γ_{1}$	0.4946	0.68
$γ_{2}$	0.3348	0.30
$γ_{3}$	-2.0043	-2.54
$γ_{4}$	1.5542	2.08
$γ_{5}$	-0.1292	-0.20
$γ_{6}$	-0.7741	-1.16
$γ_{7}$	1.3321	1.82
$γ_{8}$	-1.9674	-2.67
$γ_{9}$	3.1533	3.79

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Hirayama Holdings Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:39.40% (+9.68%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hirayama Holdings Co Ltd Analyses