Why is BIIB stock up today?

Biogen Inc. · Healthcare

Today\'s move

+2.91%$232.28

Top factors pushing the score higher

Each Framler factor is independently scored 0-100. Items below are the ones furthest from neutral (50) in the up direction. Engine verdict: bullish. Composite Framler score: 59/100. Regime: risk-on.

1Spillover85STRONG

2Sector momentum81STRONG

3Momentum78STRONG

4Q×V×M61GOOD

5Earnings drift58GOOD

Pattern firing

Post-earnings drift continuation

See full BIIB multi-factor analysis →

About this breakdown

The "why" page is a snapshot of the Framler engine\'s 13-factor scoring for BIIB on today\'s pass. Direction-aligned factors are those whose individual score is at least 5 points away from neutral (50) in the requested direction. The engine refreshes daily at 06:00 UTC; this page revalidates every 10 minutes so the read tracks the fresh score.

BIIB forecast → · BIIB next earnings → · How the score is built →