Cartesian Therapeutics Inc. (RNAC) short interest & short volume · 20.1% of float short
Cartesian Therapeutics Inc. official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
RNAC short interest rose 1.1% to 1.9M shares in the Oct 15, 2026 report (20.1% of float, 11.7 days to cover). Daily short volume averaged 60.5% of volume over the last 20 sessions, up from 58.9% the 20 sessions before, the 94th percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 1.9M
- prior 1.9M
- % of float
- 20.1%
- float 9.3M
- Days to cover
- 11.7
- avg vol 160K
- Change vs prior report
- +1.1%
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)
- 67.3%
- 31K of 46K
- 20-day average
- 60.5%
- prior 58.9%
- Percentile vs own history
- 94th
- 233 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 2, 2026
Short squeeze score (model)
Price since settlement: -2.6%
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.
RNAC'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 · RNAC overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 31,289 | 46,492 | 67.3% |
| 2026-10-30 | 15,845 | 21,788 | 72.7% |
| 2026-10-29 | 23,358 | 43,048 | 54.3% |
| 2026-10-28 | 18,387 | 38,075 | 48.3% |
| 2026-10-27 | 23,125 | 55,489 | 41.7% |
| 2026-10-26 | 38,276 | 53,445 | 71.6% |
| 2026-10-23 | 20,843 | 40,602 | 51.3% |
| 2026-10-22 | 28,308 | 38,230 | 74.0% |
| 2026-10-21 | 21,001 | 36,532 | 57.5% |
| 2026-10-20 | 39,813 | 77,017 | 51.7% |
Healthcare peers with similar quant ratings
RNAC is rated 1.01 of 5 among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- GOSS short interest1.06 · Strong Sell · stock
- SVRA short interest1.06 · Strong Sell · stock
- LYEL short interest1.05 · Strong Sell · stock
- SNDX short interest1.04 · Strong Sell · stock
- AXSM short interest1.03 · Strong Sell · stock
- RGC short interest1.03 · Strong Sell
- CELC short interest1.02 · Strong Sell · stock
- PROK short interest1.00 · Strong Sell · stock
RNAC short interest FAQ
What is RNAC's short interest?
Cartesian Therapeutics Inc. (RNAC) had 1.9M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 20.1% of its 9.3M-share float.
How many days to cover does RNAC have?
11.7 days: 1.9M shares short divided by an average daily volume of 160K for the Oct 15, 2026 period.
Is RNAC short interest rising or falling?
RNAC short interest rose (+1.1%) from 1.9M to 1.9M shares in the Oct 15, 2026 report.
Is RNAC a short squeeze candidate?
Lician's squeeze watch scores RNAC 52 out of 100 (elevated) from the Oct 15, 2026 report: short interest % of float 26.8/40, days to cover 25/25, change in short interest vs prior report 0.3/15, 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 RNAC daily volume is sold short?
60.5% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 94th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was RNAC's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Cartesian Therapeutics Inc. (RNAC) was 31,289 shares, 67.3% of 46,492 total volume.
How many RNAC short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Cartesian Therapeutics Inc. (RNAC), from Oct 20, 2026 through Nov 2, 2026.
How did RNAC short volume percent change from the prior cached session?
Cached FINRA short volume for Cartesian Therapeutics Inc. (RNAC) moved from 72.7% on Oct 30, 2026 to 67.3% on Nov 2, 2026, down 5.4 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.