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	param	t-stat
$ω$	0.0203	18.85
$α$	0.0895	17.03
$β$	0.9105	211.66
$γ$	0.4277	8.08
$δ$	1.3916	24.62

V-Lab

Invesco S&P International Developed Quality ETF APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:15.97% (-0.34%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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