BIIB institutional options flow analysis — multi-leg block trades, dominant direction, and gamma analysis from the public options tape. Articles older than 60 days are public; sign in to read flow within the past month, upgrade to AIme Premium for today's unusual options trades without the delay.

BIIB Unusual Options Activity

Institutional flow on 2026-09-10

BIIB appeared in the unusual options tape this day — full breakdown is paywalled.

$557.6Macross 11 tickers36 unusual prints

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The Options Desk tracks the move options price into every US earnings report the week of Sep 7, next to how much each stock has actually moved on its past prints — plus the SPY, QQQ and IWM expected ranges and the gamma walls that box them in.

BIIB Unusual Options Activity