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YDES — structural market context

YD Bio Limited

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.

Price

Change from the Oct 30 close to the Nov 2 close: +0.51%.

Volume

1.27× its 20-session average on Nov 2.

Includes pre- and post-market trading.

Short interest

Short interest 192K shares (settlement Oct 15) vs 177K (Sep 30).

No new file loaded in this window. Latest file: settlement Oct 15, loaded Oct 27.

Fails-to-deliver

Latest file (settlements Sep 15–Sep 30, published Oct 16): 9 days with fails, largest 122K shares on Sep 28.

Previous file (settlements Sep 1–Sep 14, published Sep 30): 3 days with fails, largest 3K shares on Sep 9.

No new file loaded in this window.

Insider filings (Form 4)

None recorded in this window.

YDES events and their magnitude

Latest SEC filing in the event study

Form 4 · other · filed 2026-10-06 · View on sec.gov ↗

…

How the Event Study works →

YDES short interest & days to cover

SHARES SHORT
192K
% OF FLOAT
13.5%
DAYS TO COVER
1.0
CHANGE VS PRIOR
+8.4%

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)

How short interest and days to cover are measured →

YDES fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-09-30 · 34d34K$7.61
2026-09-29 · 35d42K$7.11
2026-09-28 · 36d122K$5.73

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

How fails-to-deliver are reported →

YDES insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 3 purchases · 0 sales

InsiderTypeSharesValueFiled
Shen Ethan PhD · director, officer: CEOPurchase (P)13K$49K2026-09-16
Shen Ethan PhD · director, officer: CEOPurchase (P)3K$12K2026-09-10
Shen Ethan PhD · director, officer: CEOPurchase (P)18K$67K2026-09-08

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.

Form 4 transaction codes explained →

Frequently asked questions

What is YDES's short interest?
As of the FINRA settlement date 2026-10-15, YDES had 192K shares sold short — 13.5% of its float, with 1.0 days to cover at average volume. FINRA publishes this data roughly two weeks after each twice-monthly settlement, so it is inherently delayed. A short-interest figure describes an aggregate position; it does not predict what the stock will do.
Are insiders buying YDES?
In the last 12 months of SEC Form 4 filings, YDES recorded 3 insider purchases and 0 sales reported on Form 4 (transaction codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
Is this page telling me to buy or sell YDES?
No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.
All covered stocksShort Interest & FTD trackerInsider Buying trackerThe platform

Other companies in the same SEC industry: Services-Medical Laboratories

CELC · Celcuity Inc.LH · Labcorp Holdings Inc.VCYT · Veracyte, Inc.CAI · Caris Life Sciences, Inc.CDNA · CareDx, Inc.GH · Guardant Health, Inc.

Industry: SIC code 8071 as recorded on SEC EDGAR.

All tickers starting with Y →

YDES: the full history

Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.

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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.

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