Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1627	15.12
$α$	0.1226	22.29
$β$	0.8774	214.89
$γ$	-0.0295	-1.31
$δ$	1.5367	22.02

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Nihon Seikan KK APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:29.34% (-1.11%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Nihon Seikan KK Analyses