Cardio Diagnostics Holdings Inc (CDIOW) short interest & short volume · 20K shares short
Cardio Diagnostics Holdings Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
CDIOW short interest fell 19.7% to 20K shares in the Oct 15, 2026 report (1.0 days to cover). Daily short volume averaged 78.4% of volume over the last 20 sessions, up from 77.4% the 20 sessions before, the 87th percentile of its own 20-day averages since Sep 16, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 20K
- prior 25K
- % of float
- —
- no float on file
- Days to cover
- 1.0
- avg vol 20K
- Change vs prior report
- -19.7%
Days to cover is short interest divided by FINRA's average daily volume for the period: how many average days of trading it would take shorts to buy back.
Source: FINRA equity short interest (twice monthly) · Settlement Oct 15, 2026
Daily short volume
Share of each day's volume sold short · FINRA Reg SHO
- Latest (Oct 30)
- 100.0%
- 15 of 15
- 20-day average
- 78.4%
- prior 77.4%
- Percentile vs own history
- 87th
- 129 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Oct 30, 2026
Short squeeze score (model)
Price since settlement: +53.1%
Model, not a forecast: 40 pts short interest % of float (full at 30%), 25 pts days to cover (full at 10), 15 pts rise in short interest since the prior report (full at +50%), 20 pts price gain since the settlement date (full at +25%). Missing inputs score 0.
CDIOW's squeeze score and its inputs with Lician Pro.Start 3-day trial — $149/yr
Market-wide: most shorted stocks, biggest changes and unusual short volume · CDIOW overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-10-30 | 15 | 15 | 100.0% |
| 2026-10-29 | 22 | 2,022 | 1.1% |
| 2026-10-28 | 2 | 2 | 100.0% |
| 2026-10-21 | 9,800 | 17,000 | 57.6% |
| 2026-10-20 | 10,000 | 10,000 | 100.0% |
| 2026-10-19 | 4,818 | 22,647 | 21.3% |
| 2026-10-15 | 2,392 | 17,906 | 13.4% |
| 2026-10-14 | 180 | 180 | 100.0% |
| 2026-10-09 | 1 | 1 | 100.0% |
| 2026-10-08 | 1,400 | 1,400 | 100.0% |
Healthcare peers with similar quant ratings
CDIOW among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- QTTB short interest5.00 · Strong Buy · stock
- AVAH short interest4.99 · Strong Buy · stock
- CDNA short interest4.98 · Strong Buy · stock
- HALO short interest4.97 · Strong Buy · stock
- OSCR short interest4.97 · Strong Buy · stock
- BTSG short interest4.96 · Strong Buy
- REGN short interest4.95 · Strong Buy · stock
- CON short interest4.94 · Strong Buy · stock
CDIOW short interest FAQ
What is CDIOW's short interest?
Cardio Diagnostics Holdings Inc (CDIOW) had 20K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does CDIOW have?
1.0 days: 20K shares short divided by an average daily volume of 20K for the Oct 15, 2026 period.
Is CDIOW short interest rising or falling?
CDIOW short interest fell (-19.7%) from 25K to 20K shares in the Oct 15, 2026 report.
Is CDIOW a short squeeze candidate?
Lician's squeeze watch scores CDIOW 23 out of 100 (low) from the Oct 15, 2026 report: days to cover 2.5/25, change in short interest vs prior report 0/15, price change since settlement date 20/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of CDIOW daily volume is sold short?
78.4% on average over the last 20 sessions to Oct 30, 2026 (FINRA Reg SHO daily short volume; the 87th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was CDIOW's latest FINRA short volume?
On Oct 30, 2026, cached FINRA short volume for Cardio Diagnostics Holdings Inc (CDIOW) was 15 shares, 100.0% of 15 total volume.
How many CDIOW short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Cardio Diagnostics Holdings Inc (CDIOW), from Oct 8, 2026 through Oct 30, 2026.
How did CDIOW short volume percent change from the prior cached session?
Cached FINRA short volume for Cardio Diagnostics Holdings Inc (CDIOW) moved from 1.1% on Oct 29, 2026 to 100.0% on Oct 30, 2026, up 98.9 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.