Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.0244	12.54
$α$	0.2996	24.87
$β$	0.7004	65.47
$γ$	0.0066	0.27
$δ$	1.6947	19.96

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Shinkin Central Bank APARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:8.93% (-0.24%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Shinkin Central Bank Analyses