Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	1.1221	21.70
$α$	0.2964	31.23
$β$	0.6438	86.83
$γ$	0.2162	2.03

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Sumiseki Holdings Inc AGARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:87.47% (-16.42%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Sumiseki Holdings Inc Analyses