TriSalus Life Sciences Inc. (TLSIW) short interest & short volume · 11K shares short
TriSalus Life Sciences Inc. official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
TLSIW short interest rose 16.6% to 11K shares in the Oct 15, 2026 report (6.1 days to cover). Daily short volume averaged 83.3% of volume over the last 20 sessions, up from 62.5% the 20 sessions before, the 100th percentile of its own 20-day averages since Sep 22, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 11K
- prior 9K
- % of float
- —
- no float on file
- Days to cover
- 6.1
- avg vol 2K
- Change vs prior report
- +16.6%
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 28)
- 96.0%
- 2K of 3K
- 20-day average
- 83.3%
- prior 62.5%
- Percentile vs own history
- 100th
- 151 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Oct 28, 2026
Short squeeze score (model)
Price since settlement: +4.7%
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.
TLSIW'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 · TLSIW overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-10-28 | 2,437 | 2,538 | 96.0% |
| 2026-10-16 | 3,464 | 3,564 | 97.2% |
| 2026-10-15 | 1,701 | 2,514 | 67.7% |
| 2026-10-07 | 900 | 935 | 96.3% |
| 2026-10-06 | 351 | 351 | 100.0% |
| 2026-10-02 | 1,900 | 3,278 | 58.0% |
| 2026-09-28 | 2 | 4 | 50.0% |
| 2026-09-24 | 1,000 | 1,600 | 62.5% |
| 2026-09-23 | 200 | 1,200 | 16.7% |
| 2026-09-17 | 84 | 84 | 100.0% |
Healthcare peers with similar quant ratings
TLSIW 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
TLSIW short interest FAQ
What is TLSIW's short interest?
TriSalus Life Sciences Inc. (TLSIW) had 11K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does TLSIW have?
6.1 days: 11K shares short divided by an average daily volume of 2K for the Oct 15, 2026 period.
Is TLSIW short interest rising or falling?
TLSIW short interest rose (+16.6%) from 9K to 11K shares in the Oct 15, 2026 report.
Is TLSIW a short squeeze candidate?
Lician's squeeze watch scores TLSIW 24 out of 100 (low) from the Oct 15, 2026 report: days to cover 15.3/25, change in short interest vs prior report 5/15, price change since settlement date 3.8/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of TLSIW daily volume is sold short?
83.3% on average over the last 20 sessions to Oct 28, 2026 (FINRA Reg SHO daily short volume; the 100th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was TLSIW's latest FINRA short volume?
On Oct 28, 2026, cached FINRA short volume for TriSalus Life Sciences Inc. (TLSIW) was 2,437 shares, 96.0% of 2,538 total volume.
How many TLSIW short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for TriSalus Life Sciences Inc. (TLSIW), from Sep 17, 2026 through Oct 28, 2026.
How did TLSIW short volume percent change from the prior cached session?
Cached FINRA short volume for TriSalus Life Sciences Inc. (TLSIW) moved from 97.2% on Oct 16, 2026 to 96.0% on Oct 28, 2026, down 1.2 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.