Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	0.0495	18.16
$α$	0.0902	37.40
$β$	0.8957	338.63
$γ$	0.3019	9.24

V-Lab

NTT Inc AGARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:16.81% (-0.28%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other NTT Inc Analyses