Heart Test Laboratories Inc. Common Stock (HSCS) short interest & short volume · 6.3% of float short
Heart Test Laboratories 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
HSCS short interest rose 126.1% to 63K shares in the Oct 15, 2026 report (6.3% of float, 1.0 days to cover). Daily short volume averaged 48.5% of volume over the last 20 sessions, up from 46.0% the 20 sessions before, the 90th percentile of its own 20-day averages since Oct 6, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 63K
- prior 28K
- % of float
- 6.3%
- float 996K
- Days to cover
- 1.0
- avg vol 332K
- Change vs prior report
- +126.1%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 63K | $201K | +126.1% | 6.3% | 1.0 | $3.18 |
| Sep 30, 2026 | 28K | $117K | -29.9% | 2.8% | 1.0 | $4.18 |
| Sep 15, 2026 | 40K | $137K | -65.1% | 4.0% | 1.0 | $3.44 |
| Aug 31, 2026 | 114K | $360K | +125.2% | 11.5% | 1.0 | $3.15 |
| Aug 14, 2026 | 51K | $104K | -33.3% | 5.1% | 1.0 | $2.06 |
| Jul 31, 2026 | 76K | $166K | -2.0% | 7.6% | 1.5 | $2.18 |
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 11)
- 11.5%
- 14K of 124K
- 20-day average
- 48.5%
- prior 46.0%
- Percentile vs own history
- 90th
- 233 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 11, 2026
Short squeeze score (model)
Price since settlement: -28.9%
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.
HSCS'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 · HSCS overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 14,329 | 124,229 | 11.5% |
| 2026-11-10 | 69,845 | 129,926 | 53.8% |
| 2026-11-09 | 13,104 | 22,714 | 57.7% |
| 2026-11-06 | 11,843 | 22,768 | 52.0% |
| 2026-11-05 | 15,903 | 39,776 | 40.0% |
| 2026-11-04 | 21,455 | 45,814 | 46.8% |
| 2026-11-03 | 14,051 | 27,434 | 51.2% |
| 2026-11-02 | 11,993 | 26,719 | 44.9% |
| 2026-10-30 | 5,857 | 15,965 | 36.7% |
| 2026-10-29 | 17,086 | 33,253 | 51.4% |
Healthcare peers with similar quant ratings
HSCS among 545 rated Healthcare stocks (Lician quant rating, Nov 13, 2026). How the rating works
- KNSA short interest5.00 · Strong Buy · stock
- QTTB short interest4.99 · Strong Buy · stock
- AVAH short interest4.98 · Strong Buy · stock
- CDNA short interest4.97 · Strong Buy · stock
- EWTX short interest4.97 · Strong Buy · stock
- SNY short interest4.96 · Strong Buy · stock
- REGN short interest4.95 · Strong Buy · stock
- BTSG short interest4.94 · Strong Buy
HSCS short interest FAQ
What is HSCS's short interest?
Heart Test Laboratories Inc. Common Stock (HSCS) had 63K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 6.3% of its 996K-share float.
How many days to cover does HSCS have?
1.0 days: 63K shares short divided by an average daily volume of 332K for the Oct 15, 2026 period.
Is HSCS short interest rising or falling?
HSCS short interest rose (+126.1%) from 28K to 63K shares in the Oct 15, 2026 report.
Is HSCS a short squeeze candidate?
Lician's squeeze watch scores HSCS 26 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 8.5/40, days to cover 2.5/25, 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 HSCS daily volume is sold short?
48.5% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 90th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was HSCS's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for Heart Test Laboratories Inc. Common Stock (HSCS) was 14,329 shares, 11.5% of 124,229 total volume.
How many HSCS short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Heart Test Laboratories Inc. Common Stock (HSCS), from Oct 29, 2026 through Nov 11, 2026.
How did HSCS short volume percent change from the prior cached session?
Cached FINRA short volume for Heart Test Laboratories Inc. Common Stock (HSCS) moved from 53.8% on Nov 10, 2026 to 11.5% on Nov 11, 2026, down 42.3 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.