PUR stock
PUR (PUR) short interest & short volume · 196K shares short
PUR official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
PUR short interest rose 38.8% to 196K shares in the Oct 15, 2026 report (1.3 days to cover). Daily short volume averaged 49.2% of volume over the last 20 sessions, down from 57.0% the 20 sessions before, the 9th percentile of its own 20-day averages since Jul 9, 2026.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 196K
- prior 141K
- % of float
- —
- no float on file
- Days to cover
- 1.3
- avg vol 150K
- Change vs prior report
- +38.8%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 196K | $3.9M | +38.8% | — | 1.3 | $19.98 |
| Sep 30, 2026 | 141K | $4.6M | +90.0% | — | 1.0 | $32.70 |
| Sep 15, 2026 | 74K | $2.1M | -6.1% | — | 1.0 | $28.84 |
| Aug 31, 2026 | 79K | $2.9M | +2337.8% | — | 1.0 | $36.46 |
| Aug 14, 2026 | 3K | $40K | -73.1% | — | 1.0 | $12.15 |
| Jul 31, 2026 | 12K | $131K | +1274.5% | — | 1.6 | $10.85 |
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)
- 39.5%
- 18K of 45K
- 20-day average
- 49.2%
- prior 57.0%
- Percentile vs own history
- 9th
- 70 periods since 2026
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.
PUR'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 · PUR overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 17,683 | 44,757 | 39.5% |
| 2026-11-10 | 16,557 | 46,895 | 35.3% |
| 2026-11-09 | 21,561 | 45,799 | 47.1% |
| 2026-11-06 | 15,219 | 44,063 | 34.5% |
| 2026-11-05 | 42,019 | 82,840 | 50.7% |
| 2026-11-04 | 43,822 | 61,768 | 71.0% |
| 2026-11-03 | 32,825 | 57,962 | 56.6% |
| 2026-11-02 | 29,653 | 67,140 | 44.2% |
| 2026-10-30 | 19,839 | 39,723 | 49.9% |
| 2026-10-29 | 63,186 | 138,606 | 45.6% |
PUR short interest FAQ
What is PUR's short interest?
PUR had 196K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does PUR have?
1.3 days: 196K shares short divided by an average daily volume of 150K for the Oct 15, 2026 period.
Is PUR short interest rising or falling?
PUR short interest rose (+38.8%) from 141K to 196K shares in the Oct 15, 2026 report.
Is PUR a short squeeze candidate?
Lician's squeeze watch scores PUR 15 out of 100 (low) from the Oct 15, 2026 report: days to cover 3.3/25, change in short interest vs prior report 11.6/15. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of PUR daily volume is sold short?
49.2% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 9th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was PUR's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for PUR was 17,683 shares, 39.5% of 44,757 total volume.
How many PUR short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for PUR, from Oct 29, 2026 through Nov 11, 2026.
How did PUR short volume percent change from the prior cached session?
Cached FINRA short volume for PUR moved from 35.3% on Nov 10, 2026 to 39.5% on Nov 11, 2026, up 4.2 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.