SST stock
System1 Inc (SST) short interest & short volume · 6.8% of float short
System1 Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
SST short interest fell 4.1% to 311K shares in the Oct 15, 2026 report (6.8% of float, 4.7 days to cover). Daily short volume averaged 48.9% of volume over the last 20 sessions, up from 45.8% the 20 sessions before, the 78th percentile of its own 20-day averages since Oct 6, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 311K
- prior 324K
- % of float
- 6.8%
- float 4.5M
- Days to cover
- 4.7
- avg vol 66K
- Change vs prior report
- -4.1%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 311K | $693K | -4.1% | 6.8% | 4.7 | $2.23 |
| Sep 30, 2026 | 324K | $850K | -13.1% | 7.2% | 1.3 | $2.62 |
| Sep 15, 2026 | 373K | $1.2M | +90.6% | 8.2% | 1.0 | $3.32 |
| Aug 31, 2026 | 196K | $439K | +69.9% | 4.3% | 1.0 | $2.24 |
| Aug 14, 2026 | 115K | $271K | -27.2% | 2.5% | 1.0 | $2.35 |
| Jul 31, 2026 | 158K | $276K | -4.9% | 3.5% | 1.2 | $1.74 |
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)
- 37.1%
- 3K of 8K
- 20-day average
- 48.9%
- prior 45.8%
- Percentile vs own history
- 78th
- 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: -25.1%
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.
SST'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 · SST overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 3,012 | 8,123 | 37.1% |
| 2026-11-10 | 16,668 | 28,153 | 59.2% |
| 2026-11-09 | 2,937 | 10,567 | 27.8% |
| 2026-11-06 | 4,986 | 12,071 | 41.3% |
| 2026-11-05 | 5,014 | 10,297 | 48.7% |
| 2026-11-04 | 7,715 | 17,165 | 45.0% |
| 2026-11-03 | 10,873 | 16,883 | 64.4% |
| 2026-11-02 | 17,710 | 35,818 | 49.4% |
| 2026-10-30 | 27,466 | 56,603 | 48.5% |
| 2026-10-29 | 7,019 | 16,858 | 41.6% |
Industrials peers with similar quant ratings
SST among 425 rated Industrials stocks (Lician quant rating, Nov 13, 2026). How the rating works
- CXW short interest5.00 · Strong Buy · stock
- ASC short interest4.99 · Strong Buy
- GEO short interest4.98 · Strong Buy · stock
- PANL short interest4.97 · Strong Buy · stock
- GSL short interest4.96 · Strong Buy · stock
- WTS short interest4.95 · Strong Buy · stock
- AER short interest4.94 · Strong Buy · stock
- ATRO short interest4.93 · Strong Buy
SST short interest FAQ
What is SST's short interest?
System1 Inc (SST) had 311K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 6.8% of its 4.5M-share float.
How many days to cover does SST have?
4.7 days: 311K shares short divided by an average daily volume of 66K for the Oct 15, 2026 period.
Is SST short interest rising or falling?
SST short interest fell (-4.1%) from 324K to 311K shares in the Oct 15, 2026 report.
Is SST a short squeeze candidate?
Lician's squeeze watch scores SST 21 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 9.1/40, days to cover 11.8/25, 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 SST daily volume is sold short?
48.9% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 78th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was SST's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for System1 Inc (SST) was 3,012 shares, 37.1% of 8,123 total volume.
How many SST short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for System1 Inc (SST), from Oct 29, 2026 through Nov 11, 2026.
How did SST short volume percent change from the prior cached session?
Cached FINRA short volume for System1 Inc (SST) moved from 59.2% on Nov 10, 2026 to 37.1% on Nov 11, 2026, down 22.1 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.