Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.0777	16.94
$α$	0.1483	16.39
$β$	0.8417	183.81
$γ$	-0.0008	-0.05

V-Lab

Okaya & Co Ltd GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:20.80% (-0.84%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Okaya & Co Ltd Analyses