Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.3252	6.28
$α$	0.1821	6.83
$β$	0.7052	20.86

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Shimadaya Corporation GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:23.71% (+4.89%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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