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	param	t-stat
$ω$	1.2514	8.11
$α$	0.0882	30.93
$β$	0.9820	392.33
$ν$	7.5099	5.43

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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