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	param	t-stat
$ω$	0.2861	11.52
$α$	0.0539	15.37
$β$	0.9016	237.56
$γ$	0.0601	8.32

V-Lab

Biogen Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:47.09% (-1.65%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Biogen Inc Analyses