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	param	t-stat
$ω$	0.0327	12.03
$α$	0.0750	37.60
$β$	0.9129	398.66
$γ$	0.3519	10.45

V-Lab

Pfizer Inc AGARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:24.64% (+0.03%)

Date Range:

Parameter Estimates

News Impact Curve

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