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{name} Model Equation

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Parameter	Value	t-statistic
ω const Unconditional variance weight	0.0256	20.26***
α ARCH Response to squared shocks	0.0412	19.87***
β GARCH Volatility persistence	0.9368	566.04***
γ leverage Additional response to negative shocks	0.0242	6.06***

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AT&T Inc GJR-GARCH Volatility Analysis

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Volatility Forecast

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