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	param	t-stat
$ω$	0.0752	9.58
$α$	0.0725	19.85
$β$	0.9275	238.19
$γ$	0.1948	4.31
$δ$	1.0159	22.09

V-Lab

Biogen Inc APARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:41.01% (-1.87%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Biogen Inc Analyses