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	param	t-stat
$ω$	0.0299	20.59
$α$	0.0234	7.13
$β$	0.8819	280.33
$γ$	0.1437	17.85

V-Lab

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

Volatility Prediction for Friday, February 27th, 2026:11.33% (-0.23%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other State Street Health Care Select Sector SPDR ETF Analyses