BLSM (BLSM) short interest & short volume · 485K shares short
BLSM official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
BLSM short interest rose 2.4% to 485K shares in the Oct 15, 2026 report (2.9 days to cover). Daily short volume averaged 68.8% of volume over the last 20 sessions, down from 69.6% the 20 sessions before, the 65th percentile of its own 20-day averages since Aug 7, 2026.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 485K
- prior 474K
- % of float
- —
- no float on file
- Days to cover
- 2.9
- avg vol 169K
- Change vs prior report
- +2.4%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 485K | $7.3M | +2.4% | — | 2.9 | $14.98 |
| Sep 30, 2026 | 474K | $8.8M | +244.4% | — | 1.6 | $18.64 |
| Sep 15, 2026 | 138K | $3.0M | +24.2% | — | 1.0 | $22.17 |
| Aug 31, 2026 | 111K | $2.0M | -1.0% | — | 1.0 | $18.30 |
| Aug 14, 2026 | 112K | $1.8M | +100.0% | — | 1.0 | $16.18 |
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.
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)
- 70.5%
- 39K of 55K
- 20-day average
- 68.8%
- prior 69.6%
- Percentile vs own history
- 65th
- 49 periods since 2026
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 11, 2026
Short squeeze score (model)
Price since settlement: -0.9%
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.
BLSM'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 · BLSM overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 38,675 | 54,861 | 70.5% |
| 2026-11-10 | 47,701 | 55,052 | 86.7% |
| 2026-11-09 | 37,102 | 59,132 | 62.7% |
| 2026-11-06 | 44,877 | 64,473 | 69.6% |
| 2026-11-05 | 59,345 | 144,124 | 41.2% |
| 2026-11-04 | 57,116 | 115,141 | 49.6% |
| 2026-11-03 | 21,532 | 45,180 | 47.7% |
| 2026-11-02 | 27,776 | 39,523 | 70.3% |
| 2026-10-30 | 29,167 | 39,983 | 73.0% |
| 2026-10-29 | 16,729 | 30,849 | 54.2% |
Healthcare peers with similar quant ratings
BLSM 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
BLSM short interest FAQ
What is BLSM's short interest?
BLSM had 485K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does BLSM have?
2.9 days: 485K shares short divided by an average daily volume of 169K for the Oct 15, 2026 period.
Is BLSM short interest rising or falling?
BLSM short interest rose (+2.4%) from 474K to 485K shares in the Oct 15, 2026 report.
Is BLSM a short squeeze candidate?
Lician's squeeze watch scores BLSM 8 out of 100 (low) from the Oct 15, 2026 report: days to cover 7.2/25, change in short interest vs prior report 0.7/15, 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 BLSM daily volume is sold short?
68.8% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 65th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was BLSM's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for BLSM was 38,675 shares, 70.5% of 54,861 total volume.
How many BLSM short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for BLSM, from Oct 29, 2026 through Nov 11, 2026.
How did BLSM short volume percent change from the prior cached session?
Cached FINRA short volume for BLSM moved from 86.7% on Nov 10, 2026 to 70.5% on Nov 11, 2026, down 16.2 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.