MSOS (MSOS) short interest & short volume · 8.7M shares short
MSOS official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
MSOS short interest rose 16.6% to 8.7M shares in the Oct 15, 2026 report (2.0 days to cover). Daily short volume averaged 30.4% of volume over the last 20 sessions, the 28th percentile of its own 20-day averages since Oct 6, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 8.7M
- prior 7.5M
- % of float
- —
- no float on file
- Days to cover
- 2.0
- avg vol 4.4M
- Change vs prior report
- +16.6%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 8.7M | $35.8M | +16.6% | — | 2.0 | $4.12 |
| Sep 30, 2026 | 7.5M | $33.7M | +1.6% | — | 1.1 | $4.52 |
| Sep 15, 2026 | 7.3M | $36.2M | -25.0% | — | 1.7 | $4.93 |
| Aug 31, 2026 | 9.8M | $48.5M | +39.7% | — | 2.2 | $4.95 |
| Aug 14, 2026 | 7.0M | $32.5M | +0.1% | — | 1.6 | $4.63 |
| Jul 31, 2026 | 7.0M | $29.6M | +3.5% | — | 1.9 | $4.23 |
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)
- 25.4%
- 325K of 1.3M
- 20-day average
- 30.4%
- prior 30.5%
- Percentile vs own history
- 28th
- 233 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 11, 2026
Short squeeze score (model)
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.
MSOS'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 · MSOS overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 325,187 | 1,282,170 | 25.4% |
| 2026-11-10 | 209,737 | 1,555,060 | 13.5% |
| 2026-11-09 | 349,726 | 1,952,082 | 17.9% |
| 2026-11-06 | 310,787 | 2,264,665 | 13.7% |
| 2026-11-05 | 418,457 | 3,097,821 | 13.5% |
| 2026-11-04 | 1,329,831 | 4,759,287 | 27.9% |
| 2026-11-03 | 1,202,732 | 3,204,205 | 37.5% |
| 2026-11-02 | 2,299,885 | 4,936,477 | 46.6% |
| 2026-10-30 | 754,569 | 3,004,378 | 25.1% |
| 2026-10-29 | 509,360 | 1,323,068 | 38.5% |
MSOS short interest FAQ
What is MSOS's short interest?
MSOS had 8.7M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does MSOS have?
2.0 days: 8.7M shares short divided by an average daily volume of 4.4M for the Oct 15, 2026 period.
Is MSOS short interest rising or falling?
MSOS short interest rose (+16.6%) from 7.5M to 8.7M shares in the Oct 15, 2026 report.
Is MSOS a short squeeze candidate?
Lician's squeeze watch scores MSOS 10 out of 100 (low) from the Oct 15, 2026 report: days to cover 5/25, change in short interest vs prior report 5/15. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of MSOS daily volume is sold short?
30.4% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 28th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was MSOS's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for MSOS was 325,187 shares, 25.4% of 1,282,170 total volume.
How many MSOS short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for MSOS, from Oct 29, 2026 through Nov 11, 2026.
How did MSOS short volume percent change from the prior cached session?
Cached FINRA short volume for MSOS moved from 13.5% on Nov 10, 2026 to 25.4% on Nov 11, 2026, up 11.9 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.