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	param	t-stat
$ω$	0.0364	30.71
$α$	0.0714	20.14
$β$	0.9069	345.74
$γ$	0.9628	18.07
$δ$	1.1141	26.93

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Invesco S&P 500 Equal Weight Health Care ETF APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:16.44% (-0.90%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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