SLN (SLN) short interest & short volume · 2.9M shares short
SLN official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
SLN short interest rose 15.3% to 2.9M shares in the Oct 15, 2026 report (2.3 days to cover). Daily short volume averaged 25.3% of volume over the last 20 sessions, down from 44.0% the 20 sessions before, the 10th percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 2.9M
- prior 2.5M
- % of float
- —
- no float on file
- Days to cover
- 2.3
- avg vol 1.3M
- Change vs prior report
- +15.3%
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 (Nov 2)
- 27.1%
- 122K of 451K
- 20-day average
- 25.3%
- prior 44.0%
- Percentile vs own history
- 10th
- 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: +111.6%
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.
SLN'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 · SLN overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 122,156 | 451,295 | 27.1% |
| 2026-10-30 | 54,104 | 282,211 | 19.2% |
| 2026-10-29 | 99,190 | 966,556 | 10.3% |
| 2026-10-28 | 209,329 | 1,945,980 | 10.8% |
| 2026-10-27 | 216,820 | 852,011 | 25.4% |
| 2026-10-26 | 243,955 | 3,415,144 | 7.1% |
| 2026-10-23 | 716,417 | 1,377,423 | 52.0% |
| 2026-10-22 | 166,046 | 1,632,955 | 10.2% |
| 2026-10-21 | 271,581 | 1,513,396 | 17.9% |
| 2026-10-20 | 1,590,845 | 7,218,665 | 22.0% |
Healthcare peers with similar quant ratings
SLN is rated 1.51 of 5 among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- ARCT short interest1.54 · Sell · stock
- ADAG short interest1.53 · Sell
- BIOA short interest1.52 · Sell · stock
- SMMT short interest1.52 · Sell · stock
- NAKA short interest1.50 · Sell
- MLYS short interest1.49 · Strong Sell · stock
- ABEO short interest1.48 · Strong Sell · stock
- CLPT short interest1.48 · Strong Sell · stock
SLN short interest FAQ
What is SLN's short interest?
SLN had 2.9M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does SLN have?
2.3 days: 2.9M shares short divided by an average daily volume of 1.3M for the Oct 15, 2026 period.
Is SLN short interest rising or falling?
SLN short interest rose (+15.3%) from 2.5M to 2.9M shares in the Oct 15, 2026 report.
Is SLN a short squeeze candidate?
Lician's squeeze watch scores SLN 30 out of 100 (low) from the Oct 15, 2026 report: days to cover 5.8/25, change in short interest vs prior report 4.6/15, 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 SLN daily volume is sold short?
25.3% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 10th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was SLN's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for SLN was 122,156 shares, 27.1% of 451,295 total volume.
How many SLN short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for SLN, from Oct 20, 2026 through Nov 2, 2026.
How did SLN short volume percent change from the prior cached session?
Cached FINRA short volume for SLN moved from 19.2% on Oct 30, 2026 to 27.1% on Nov 2, 2026, up 7.9 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.