Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1108	17.03
$α$	0.0620	30.43
$β$	0.9285	425.14

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Sumco Corp GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:59.73% (+0.91%)

Date Range:

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News Impact Curve

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