Co-Diagnostics, Inc. Common Stock (CODX) short interest & short volume · 18.8% of float short
Co-Diagnostics, Inc. Common Stock official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
CODX short interest rose 56.7% to 656K shares in the Oct 15, 2026 report (18.8% of float, 1.4 days to cover). Daily short volume averaged 55.4% of volume over the last 20 sessions, up from 54.4% the 20 sessions before, the 97th percentile of its own 20-day averages since Sep 16, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 656K
- prior 419K
- % of float
- 18.8%
- float 3.5M
- Days to cover
- 1.4
- avg vol 464K
- Change vs prior report
- +56.7%
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.
% of float uses the current float for every report (no float was stored with older reports).
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 (Nov 2)
- 52.8%
- 174K of 330K
- 20-day average
- 55.4%
- prior 54.4%
- Percentile vs own history
- 97th
- 199 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 2, 2026
Short squeeze score (model)
Price since settlement: -46.9%
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.
CODX'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 · CODX overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 174,158 | 329,898 | 52.8% |
| 2026-10-30 | 89,128 | 137,270 | 64.9% |
| 2026-10-29 | 126,460 | 219,944 | 57.5% |
| 2026-10-28 | 70,790 | 152,470 | 46.4% |
| 2026-10-27 | 201,638 | 378,529 | 53.3% |
| 2026-10-26 | 51,421 | 76,110 | 67.6% |
| 2026-10-23 | 109,904 | 172,967 | 63.5% |
| 2026-10-22 | 155,790 | 344,412 | 45.2% |
| 2026-10-21 | 181,584 | 532,544 | 34.1% |
| 2026-10-20 | 139,930 | 227,926 | 61.4% |
Healthcare peers with similar quant ratings
CODX 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
CODX short interest FAQ
What is CODX's short interest?
Co-Diagnostics, Inc. Common Stock (CODX) had 656K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 18.8% of its 3.5M-share float.
How many days to cover does CODX have?
1.4 days: 656K shares short divided by an average daily volume of 464K for the Oct 15, 2026 period.
Is CODX short interest rising or falling?
CODX short interest rose (+56.7%) from 419K to 656K shares in the Oct 15, 2026 report.
Is CODX a short squeeze candidate?
Lician's squeeze watch scores CODX 44 out of 100 (elevated) from the Oct 15, 2026 report: short interest % of float 25/40, days to cover 3.5/25, change in short interest vs prior report 15/15, price change since settlement date 0/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of CODX daily volume is sold short?
55.4% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 97th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was CODX's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Co-Diagnostics, Inc. Common Stock (CODX) was 174,158 shares, 52.8% of 329,898 total volume.
How many CODX short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Co-Diagnostics, Inc. Common Stock (CODX), from Oct 20, 2026 through Nov 2, 2026.
How did CODX short volume percent change from the prior cached session?
Cached FINRA short volume for Co-Diagnostics, Inc. Common Stock (CODX) moved from 64.9% on Oct 30, 2026 to 52.8% on Nov 2, 2026, down 12.1 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.