Synlogic Inc (SYBX) short interest & short volume · 0.1% of float short
Synlogic Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
SYBX short interest was little changed at 3K shares in the Oct 15, 2026 report (0.1% of float, 1.0 days to cover). Daily short volume averaged 31.7% of volume over the last 20 sessions, up from 17.4% the 20 sessions before, the 83rd percentile of its own 20-day averages since Sep 16, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 3K
- prior 3K
- % of float
- 0.1%
- float 3.6M
- Days to cover
- 1.0
- avg vol 90K
- Change vs prior report
- -0.7%
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 (Jan 20)
- 25.7%
- 280K of 1.1M
- 20-day average
- 31.7%
- prior 17.4%
- Percentile vs own history
- 83rd
- 60 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Jan 20, 2026
Short squeeze score (model)
Price since settlement: -7.4%
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.
SYBX'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 · SYBX overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-01-20 | 280,356 | 1,090,278 | 25.7% |
| 2026-01-16 | 290 | 2,993 | 9.7% |
| 2026-01-15 | 2,651 | 13,303 | 19.9% |
| 2026-01-14 | 1,940 | 5,814 | 33.4% |
| 2026-01-13 | 981 | 2,917 | 33.6% |
| 2026-01-12 | 604 | 1,543 | 39.1% |
| 2026-01-09 | 1,059 | 5,405 | 19.6% |
| 2026-01-08 | 4,250 | 10,043 | 42.3% |
| 2026-01-07 | 2,146 | 4,383 | 49.0% |
| 2026-01-06 | 1,989 | 4,666 | 42.6% |
Healthcare peers with similar quant ratings
SYBX among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- QTTB short interest5.00 · Strong Buy · stock
- AVAH short interest4.99 · Strong Buy · stock
- CDNA short interest4.98 · Strong Buy · stock
- HALO short interest4.97 · Strong Buy · stock
- OSCR short interest4.97 · Strong Buy · stock
- BTSG short interest4.96 · Strong Buy
- REGN short interest4.95 · Strong Buy · stock
- CON short interest4.94 · Strong Buy · stock
SYBX short interest FAQ
What is SYBX's short interest?
Synlogic Inc (SYBX) had 3K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 0.1% of its 3.6M-share float.
How many days to cover does SYBX have?
1.0 days: 3K shares short divided by an average daily volume of 90K for the Oct 15, 2026 period.
Is SYBX short interest rising or falling?
SYBX short interest was little changed (-0.7%) from 3K to 3K shares in the Oct 15, 2026 report.
Is SYBX a short squeeze candidate?
Lician's squeeze watch scores SYBX 3 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 0.1/40, days to cover 2.5/25, 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 SYBX daily volume is sold short?
31.7% on average over the last 20 sessions to Jan 20, 2026 (FINRA Reg SHO daily short volume; the 83rd percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was SYBX's latest FINRA short volume?
On Jan 20, 2026, cached FINRA short volume for Synlogic Inc (SYBX) was 280,356 shares, 25.7% of 1,090,278 total volume.
How many SYBX short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Synlogic Inc (SYBX), from Jan 6, 2026 through Jan 20, 2026.
How did SYBX short volume percent change from the prior cached session?
Cached FINRA short volume for Synlogic Inc (SYBX) moved from 9.7% on Jan 16, 2026 to 25.7% on Jan 20, 2026, up 16.0 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.