Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1241	14.55
$α$	0.1423	25.84
$β$	0.8296	194.01
$γ$	-0.0270	-2.70
$δ$	2.4333	29.68

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Sigma Koki Co Ltd Asy. Power MEM Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:43.51% (+5.68%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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