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{name} Model Equation

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Parameter	Value	t-statistic
ω const Unconditional variance weight	0.0235	19.88***
α ARCH Response to squared shocks	0.0525	33.98***
β GARCH Volatility persistence	0.9385	565.68***

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AT&T Inc GARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

Other AT&T Inc Analyses