Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	15.0000	17.49
$α$	0.2510	9.61
$β$	0.2662	20.93
$γ$	-1.1208	-2.60

V-Lab

Heartseed Inc AGARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:73.77% (-0.09%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Heartseed Inc Analyses