Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	5.0000	17.80
$α$	0.2276	8.54
$β$	0.4183	18.21
$γ$	0.2124	3.62

V-Lab

Change Holdings Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:49.60% (-2.42%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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