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	param	t-stat
$ω$	0.0394	17.02
$α$	0.0559	17.35
$β$	0.9137	381.83
$γ$	0.0398	6.02

V-Lab

Pfizer Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:25.54% (-0.68%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Pfizer Inc Analyses