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	param	t-stat
$ω$	1.2694	7.78
$α$	0.0927	8.43
$β$	0.8542	51.84
$γ_{1}$	0.0325	2.16
$γ_{2}$	-0.0610	-2.60
$γ_{3}$	0.0417	2.44
$γ_{4}$	-0.0242	-1.66
$γ_{5}$	0.0391	2.98
$γ_{6}$	-0.0450	-4.81

V-Lab

Pfizer Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:26.77% (+0.64%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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