Shattuck Labs Inc (STTK) short interest & short volume · 21.9% of float short
Shattuck Labs Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
STTK short interest fell 4.6% to 10.4M shares in the Oct 15, 2026 report (21.9% of float, 7.2 days to cover). Daily short volume averaged 59.2% of volume over the last 20 sessions, down from 67.3% the 20 sessions before, the 87th percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 10.4M
- prior 10.9M
- % of float
- 21.9%
- float 47.7M
- Days to cover
- 7.2
- avg vol 1.4M
- Change vs prior report
- -4.6%
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.
% 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)
- 73.4%
- 158K of 215K
- 20-day average
- 59.2%
- prior 67.3%
- Percentile vs own history
- 87th
- 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: -1.1%
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.
STTK'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 · STTK overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 157,941 | 215,257 | 73.4% |
| 2026-10-30 | 194,860 | 354,275 | 55.0% |
| 2026-10-29 | 84,288 | 160,873 | 52.4% |
| 2026-10-28 | 125,414 | 259,397 | 48.4% |
| 2026-10-27 | 147,028 | 235,515 | 62.4% |
| 2026-10-26 | 143,576 | 247,476 | 58.0% |
| 2026-10-23 | 169,374 | 242,525 | 69.8% |
| 2026-10-22 | 260,648 | 557,681 | 46.7% |
| 2026-10-21 | 274,350 | 487,404 | 56.3% |
| 2026-10-20 | 333,255 | 746,448 | 44.6% |
Healthcare peers with similar quant ratings
STTK is rated 1.93 of 5 among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- ZLAB short interest1.96 · Sell · stock
- LRMR short interest1.95 · Sell · stock
- NKTR short interest1.94 · Sell · stock
- XRAY short interest1.94 · Sell · stock
- ABSI short interest1.92 · Sell · stock
- MPLT short interest1.91 · Sell · stock
- TMCI short interest1.91 · Sell · stock
- ELVN short interest1.90 · Sell · stock
STTK short interest FAQ
What is STTK's short interest?
Shattuck Labs Inc (STTK) had 10.4M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 21.9% of its 47.7M-share float.
How many days to cover does STTK have?
7.2 days: 10.4M shares short divided by an average daily volume of 1.4M for the Oct 15, 2026 period.
Is STTK short interest rising or falling?
STTK short interest fell (-4.6%) from 10.9M to 10.4M shares in the Oct 15, 2026 report.
Is STTK a short squeeze candidate?
Lician's squeeze watch scores STTK 47 out of 100 (elevated) from the Oct 15, 2026 report: short interest % of float 29.2/40, days to cover 18.1/25, change in short interest vs prior report 0/15, 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 STTK daily volume is sold short?
59.2% on average over the last 20 sessions to Nov 2, 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 STTK's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Shattuck Labs Inc (STTK) was 157,941 shares, 73.4% of 215,257 total volume.
How many STTK short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Shattuck Labs Inc (STTK), from Oct 20, 2026 through Nov 2, 2026.
How did STTK short volume percent change from the prior cached session?
Cached FINRA short volume for Shattuck Labs Inc (STTK) moved from 55.0% on Oct 30, 2026 to 73.4% on Nov 2, 2026, up 18.4 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.