OPTIMIZERx Corp (OPRX) short interest & short volume · 7.6% of float short
OPTIMIZERx Corp official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
OPRX short interest fell 3.4% to 1.1M shares in the Oct 15, 2026 report (7.6% of float, 6.7 days to cover). Daily short volume averaged 50.4% of volume over the last 20 sessions, up from 48.6% the 20 sessions before, the 42nd percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 1.1M
- prior 1.1M
- % of float
- 7.6%
- float 14.2M
- Days to cover
- 6.7
- avg vol 161K
- Change vs prior report
- -3.4%
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 2)
- 44.3%
- 30K of 67K
- 20-day average
- 50.4%
- prior 48.6%
- Percentile vs own history
- 42nd
- 233 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 2, 2026
Short squeeze score (model)
Price since settlement: +5.4%
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.
OPRX'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 · OPRX overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 29,543 | 66,751 | 44.3% |
| 2026-10-30 | 20,190 | 53,154 | 38.0% |
| 2026-10-29 | 15,931 | 33,445 | 47.6% |
| 2026-10-28 | 19,931 | 41,712 | 47.8% |
| 2026-10-27 | 21,732 | 33,333 | 65.2% |
| 2026-10-26 | 22,729 | 68,079 | 33.4% |
| 2026-10-23 | 14,015 | 33,502 | 41.8% |
| 2026-10-22 | 18,863 | 66,431 | 28.4% |
| 2026-10-21 | 50,216 | 89,840 | 55.9% |
| 2026-10-20 | 31,380 | 50,993 | 61.5% |
Healthcare peers with similar quant ratings
OPRX is rated 3.57 of 5 among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- ZBH short interest3.60 · Buy · stock
- AVXL short interest3.59 · Buy · stock
- BCRX short interest3.58 · Buy · stock
- SMTI short interest3.58 · Buy · stock
- BIIB short interest3.56 · Buy · stock
- AVTR short interest3.55 · Buy · stock
- HCA short interest3.55 · Buy · stock
- CARL short interest3.54 · Buy · stock
OPRX on Lician stock screens
OPRX is rated Buy (3.57 of 5) and passes 1 of 9 preset screens on the Nov 4, 2026 quant run. Build your own screen
OPRX short interest FAQ
What is OPRX's short interest?
OPTIMIZERx Corp (OPRX) had 1.1M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 7.6% of its 14.2M-share float.
How many days to cover does OPRX have?
6.7 days: 1.1M shares short divided by an average daily volume of 161K for the Oct 15, 2026 period.
Is OPRX short interest rising or falling?
OPRX short interest fell (-3.4%) from 1.1M to 1.1M shares in the Oct 15, 2026 report.
Is OPRX a short squeeze candidate?
Lician's squeeze watch scores OPRX 31 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 10.1/40, days to cover 16.8/25, change in short interest vs prior report 0/15, price change since settlement date 4.3/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of OPRX daily volume is sold short?
50.4% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 42nd percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was OPRX's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for OPTIMIZERx Corp (OPRX) was 29,543 shares, 44.3% of 66,751 total volume.
How many OPRX short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for OPTIMIZERx Corp (OPRX), from Oct 20, 2026 through Nov 2, 2026.
How did OPRX short volume percent change from the prior cached session?
Cached FINRA short volume for OPTIMIZERx Corp (OPRX) moved from 38.0% on Oct 30, 2026 to 44.3% on Nov 2, 2026, up 6.3 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.