Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	2.9524	3.24
$α$	0.5014	2.44
$β$	0.2440	2.27
$γ_{1}$	0.8547	5.27

V-Lab

OB System Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:31.97% (-10.61%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other OB System Inc Analyses