Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.8706	4.12
$α$	0.2203	3.34
$β$	0.2361	1.72
$γ_{1}$	-0.9961	-1.20
$γ_{2}$	1.0935	0.91
$γ_{3}$	-0.3566	-0.37
$γ_{4}$	1.1784	1.08
$γ_{5}$	-2.2857	-1.74
$γ_{6}$	2.5310	2.18
$γ_{7}$	-2.1129	-2.28
$γ_{8}$	2.4320	2.00

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Premium Group Co Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:48.73% (+2.14%)

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