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{name} Model Equation

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Parameter	Value	t-statistic
ω const Unconditional variance weight	0.0298	20.81***
α ARCH Response to squared shocks	0.0246	7.85***
β GARCH Volatility persistence	0.8823	286.17***
γ leverage Additional response to negative shocks	0.1417	17.91***

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

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News Impact Curve

Volatility Forecast

Parameter Estimates

Other State Street Health Care Select Sector SPDR ETF Analyses