IFRX stock
IFRX (IFRX) short interest & short volume · 12.7M shares short
IFRX official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
IFRX short interest rose 3.0% to 12.7M shares in the Oct 15, 2026 report (21.7 days to cover). Daily short volume averaged 46.6% of volume over the last 20 sessions, down from 52.3% the 20 sessions before, the 56th percentile of its own 20-day averages since Oct 6, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 12.7M
- prior 12.4M
- % of float
- —
- no float on file
- Days to cover
- 21.7
- avg vol 586K
- Change vs prior report
- +3.0%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 12.7M | $18.3M | +3.0% | — | 21.7 | $1.44 |
| Sep 30, 2026 | 12.4M | $22.2M | +2.1% | — | 26.6 | $1.80 |
| Sep 15, 2026 | 12.1M | $24.5M | -1.6% | — | 23.1 | $2.02 |
| Aug 31, 2026 | 12.3M | $26.2M | +30.0% | — | 12.0 | $2.13 |
| Aug 14, 2026 | 9.5M | $19.3M | +1.5% | — | 9.5 | $2.04 |
| Jul 31, 2026 | 9.3M | $15.8M | +5.0% | — | 10.9 | $1.70 |
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)
- 27.8%
- 74K of 266K
- 20-day average
- 46.6%
- prior 52.3%
- Percentile vs own history
- 56th
- 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: -13.9%
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.
IFRX'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 · IFRX overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 73,881 | 265,554 | 27.8% |
| 2026-11-10 | 31,988 | 114,268 | 28.0% |
| 2026-11-09 | 113,239 | 167,400 | 67.7% |
| 2026-11-06 | 406,301 | 579,241 | 70.1% |
| 2026-11-05 | 288,401 | 521,084 | 55.4% |
| 2026-11-04 | 526,762 | 854,349 | 61.7% |
| 2026-11-03 | 347,458 | 4,471,119 | 7.8% |
| 2026-11-02 | 127,720 | 232,990 | 54.8% |
| 2026-10-30 | 152,937 | 205,313 | 74.5% |
| 2026-10-29 | 77,544 | 141,974 | 54.6% |
Healthcare peers with similar quant ratings
IFRX is rated 1.01 of 5 among 545 rated Healthcare stocks (Lician quant rating, Nov 13, 2026). How the rating works
- AXSM short interest1.06 · Strong Sell · stock
- SNDX short interest1.06 · Strong Sell · stock
- NAMS short interest1.05 · Strong Sell
- RGC short interest1.04 · Strong Sell
- NGEN short interest1.03 · Strong Sell
- PROK short interest1.03 · Strong Sell · stock
- RNAC short interest1.02 · Strong Sell · stock
- CELC short interest1.00 · Strong Sell · stock
IFRX short interest FAQ
What is IFRX's short interest?
IFRX had 12.7M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does IFRX have?
21.7 days: 12.7M shares short divided by an average daily volume of 586K for the Oct 15, 2026 period.
Is IFRX short interest rising or falling?
IFRX short interest rose (+3.0%) from 12.4M to 12.7M shares in the Oct 15, 2026 report.
Is IFRX a short squeeze candidate?
Lician's squeeze watch scores IFRX 26 out of 100 (low) from the Oct 15, 2026 report: days to cover 25/25, change in short interest vs prior report 0.9/15, 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 IFRX daily volume is sold short?
46.6% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 56th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was IFRX's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for IFRX was 73,881 shares, 27.8% of 265,554 total volume.
How many IFRX short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for IFRX, from Oct 29, 2026 through Nov 11, 2026.
How did IFRX short volume percent change from the prior cached session?
Cached FINRA short volume for IFRX moved from 28.0% on Nov 10, 2026 to 27.8% on Nov 11, 2026, down 0.2 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.