YI — 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 Nov 2. Each line shows the earlier value, the later value and their dates.
Change from the Oct 30 close to the Nov 2 close: +2.46%.
0.19× its 20-session average on Nov 2.
Includes pre- and post-market trading.
Short interest 4K shares (settlement Oct 15) vs 7K (Sep 30).
No new file loaded in this window. Latest file: settlement Oct 15, loaded Oct 27.
Latest file (settlements Sep 15–Sep 30, published Oct 16): 5 days with fails, largest 4K shares on Sep 15.
Previous file (settlements Sep 1–Sep 14, published Sep 30): 4 days with fails, largest 5K shares on Sep 14.
No new file loaded in this window.
None recorded in this window.
YI events and their magnitude
YI 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 2026-10-15 (19d ago)
YI fails-to-deliver (FTD)
SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.
YI insider buying and selling (Form 4)
Last 12 months, Form 4 codes P and S: 0 purchases · 0 sales · 2 filings not counted
*Value not shown: the filed price could not be checked against the U.S. listing.
SEC Form 4 filings: purchases and sales reported on Form 4 (transaction codes P and S) only; grants and option exercises excluded. Attributed public records.
Frequently asked questions
Companies in the same SEC industry group
Industry: SIC code 5912 (group 59xx) as recorded on SEC EDGAR.
YI: the full history
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.