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	param	t-stat
$ω$	1.2462	8.13
$α$	0.0895	30.97
$β$	0.9817	386.80
$ν$	7.4713	5.49

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State Street Health Care Select Sector SPDR ETF GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, January 20th, 2026:13.22% (+0.28%)

Date Range:

Parameter Estimates

Other State Street Health Care Select Sector SPDR ETF Analyses