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	param	t-stat
$ω$	0.9352	8.00
$α$	0.1017	7.87
$β$	0.8719	62.60
$γ_{1}$	-0.0001	-0.15

V-Lab

Invesco S&P 500 Equal Weight Health Care ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:16.58% (+0.88%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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