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{name} Model Equation

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Parameter	Value	t-statistic
ω const Unconditional variance weight	0.0269	22.07***
α ARCH Response to squared shocks	0.0714	39.37***
β GARCH Volatility persistence	0.9286	490.78***
γ leverage Additional response to negative shocks	0.2336	12.23***
δ power Transformation power	1.1513	27.75***

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AT&T Inc APARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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