Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	1.6131	3.70
$α$	0.2337	3.67
$β$	0.5316	6.23
$γ_{1}$	0.3864	1.72
$γ_{2}$	-0.3958	-1.19
$γ_{3}$	-0.1847	-0.63
$γ_{4}$	0.4651	1.19

V-Lab

Accrete Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:107.36% (+41.55%)

Date Range:

Parameter Estimates

News Impact Curve

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