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	param	t-stat
$ω$	0.0273	22.07
$α$	0.0727	39.32
$β$	0.9273	482.22
$γ$	0.2315	12.06
$δ$	1.1416	27.41

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AT&T Inc APARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:23.59% (-0.99%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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