Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.0777	16.96
$α$	0.1480	29.83
$β$	0.8417	183.98

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Okaya & Co Ltd GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:22.09% (+3.76%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Okaya & Co Ltd Analyses