Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.6298	9.35
$α$	0.1534	24.32
$β$	0.8100	137.94
$γ$	0.0314	1.62
$δ$	1.8648	22.61

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Yamadai Corp APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:45.71% (+3.07%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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