Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1307	17.68
$α$	0.1249	41.02
$β$	0.8567	231.53
$γ$	0.1872	13.26
$δ$	1.4320	33.10

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Obayashi Corp APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:32.31% (+2.45%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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