Biogen Inc (BIIB)

Biogen Inc (BIIB) carries a ŷRobot AI score of 71 out of 100. The model's fair value estimate is $270.85, 6.9% above the last close of $253.40. The chart signal reads Sell.

MetricBIIB
AI score71 / 100
Chart signalSell
Fair value estimate$270.85
Upside to fair value6.9%
Previous close$253.40
P/E43.35
Price / sales3.68
Market cap$37.03B
EPS5.63
Revenue growth-1.3%
1-year price change-2.9%

How these numbers are built: the AI score, the fair value model, and the chart signal.

Other Healthcare stocks: Eli Lilly and Company, Johnson & Johnson, AbbVie Inc, Merck & Company Inc, UnitedHealth Group Incorporated, Novartis AG ADR.

Questions about BIIB

Is BIIB overvalued or undervalued right now?

As of Oct 30, 2026, ŷRobot's fair-value model estimates Biogen Inc (BIIB) at $270.85 against a last close of $253.40, implying 6.9% upside to the model's estimate.

Is BIIB's chart signal bullish or bearish?

The chart-signal model classifies BIIB as Neutral as of Nov 13, 2026, with a signal score of -0.13 on a -1 to 1 scale.

What is BIIB's ŷRobot AI score?

BIIB scores 71 out of 100 on ŷRobot's AI composite, which measures how strongly the fair-value and chart models agree, as of Nov 13, 2026.

Is BIIB stock expensive on P/E and P/S?

BIIB trades at 43.4 times earnings and 3.7 times sales as of Nov 13, 2026.

What does BIIB's seasonal forecast show?

ŷRobot's seasonal forecast curve for BIIB reads +0.9% at 30 days, +3.5% at 90 days, and -2.9% at one year as of Nov 13, 2026. Seasonal tendencies are historical patterns, not predictions.

How fast is BIIB growing?

Biogen Inc's revenue growth is -1.3% and free-cash-flow growth is +6.5% on the latest reported figures.

BIIB chart and technical read · All covered stocks

ŷRobot analysis is AI-generated and quality-gated; nothing here is investment advice.