BIO — structural market context
Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.
What changed
As of the close on Oct 15. Each line shows the earlier value, the later value and their dates.
Close $364.82 (Oct 15) vs $362.43 (Oct 14): +0.66%.
0.90× its 20-session average (251K) on Oct 15.
Includes pre- and post-market trading.
Short interest 1.2M shares (settlement Sep 30) vs 999K (Sep 15).
No new publication in this window. Latest: settlement Sep 30, published Oct 10.
Latest file (settlements Sep 1–Sep 14, published Sep 30): 4 days with fails, largest 4K shares on Sep 3.
Previous file (settlements Aug 17–Aug 31, published Sep 16): 2 days with fails, largest 17K shares on Aug 25.
No new publication in this window.
None recorded in this window.
None recorded in this window.
BIO short interest & days to cover
FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-09-30 (16d ago)
BIO fails-to-deliver (FTD)
SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.
BIO analyst ratings
Rating actions as published by the firms, from public feeds. They are not graded here.
Frequently asked questions
More tickers starting with B
This is the teaser.
Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.
Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.