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	param	t-stat
$ω$	1.0000	7.70
$α$	0.1144	16.31
$β$	0.8633	150.97
$γ$	-0.4828	-8.34
$δ$	1.4339	28.01

V-Lab

CBOE EFA ETF Volatility Index APARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:109.53% (-5.35%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other CBOE EFA ETF Volatility Index Analyses