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	param	t-stat
$ω$	0.0758	9.58
$α$	0.0730	19.84
$β$	0.9270	236.31
$γ$	0.1930	4.28
$δ$	1.0156	22.11

V-Lab

Biogen Inc APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:45.22% (+5.99%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Biogen Inc Analyses