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	param	t-stat
$ω$	1.2481	8.16
$α$	0.0888	30.95
$β$	0.9818	390.54
$ν$	7.5125	5.44

V-Lab

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

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News Impact Curve

Volatility Forecast

Parameter Estimates

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