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	param	t-stat
$ω$	1.7477	6.68
$α$	0.1083	8.47
$β$	0.8547	60.18
$γ_{1}$	0.0097	3.60
$γ_{2}$	-0.0125	-2.56

V-Lab

State Street Health Care Select Sector SPDR ETF Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:12.25% (-0.51%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other State Street Health Care Select Sector SPDR ETF Analyses