Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.3045	13.91
$α$	0.2067	25.12
$β$	0.7933	104.75
$γ$	-0.1225	-4.19
$δ$	1.6180	28.50

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System D Inc APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:38.71% (+12.50%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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