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	param	t-stat
$ω$	2.0347	7.77
$α$	0.1837	2.82
$β$	0.2738	2.35
$γ_{1}$	0.5375	7.96
$γ_{2}$	-0.7553	-7.59
$γ_{3}$	0.3130	4.81
$γ_{4}$	-0.1225	-2.55

V-Lab

Japan Post Insurance Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:30.19% (-6.39%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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