AMPU (AMPU) short interest & short volume · 963K shares short
AMPU official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
AMPU short interest fell 1.4% to 963K shares in the Oct 15, 2026 report (2.4 days to cover). Daily short volume averaged 43.3% of volume over the last 20 sessions, up from 38.6% the 20 sessions before, the 64th percentile of its own 20-day averages since May 6, 2026.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 963K
- prior 976K
- % of float
- —
- no float on file
- Days to cover
- 2.4
- avg vol 408K
- Change vs prior report
- -1.4%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 963K | $1.4M | -1.4% | — | 2.4 | $1.50 |
| Sep 30, 2026 | 976K | $2.0M | +21.7% | — | 2.6 | $2.08 |
| Sep 15, 2026 | 802K | $1.5M | +18.3% | — | 2.8 | $1.90 |
| Aug 31, 2026 | 678K | $1.6M | +29.6% | — | 2.2 | $2.30 |
| Aug 14, 2026 | 524K | $2.0M | -1.8% | — | 1.2 | $3.83 |
| Jul 31, 2026 | 533K | $1.3M | +106.2% | — | 1.4 | $2.37 |
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)
- 36.9%
- 150K of 405K
- 20-day average
- 43.3%
- prior 38.6%
- Percentile vs own history
- 64th
- 91 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.
AMPU'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 · AMPU overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 149,612 | 405,120 | 36.9% |
| 2026-11-10 | 292,263 | 369,023 | 79.2% |
| 2026-11-09 | 9,226 | 69,343 | 13.3% |
| 2026-11-06 | 35,778 | 161,841 | 22.1% |
| 2026-11-05 | 275,513 | 524,517 | 52.5% |
| 2026-11-04 | 252,352 | 344,229 | 73.3% |
| 2026-11-03 | 29,685 | 54,779 | 54.2% |
| 2026-11-02 | 54,611 | 139,627 | 39.1% |
| 2026-10-30 | 129,420 | 301,348 | 43.0% |
| 2026-10-29 | 15,425 | 53,056 | 29.1% |
AMPU short interest FAQ
What is AMPU's short interest?
AMPU had 963K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does AMPU have?
2.4 days: 963K shares short divided by an average daily volume of 408K for the Oct 15, 2026 period.
Is AMPU short interest rising or falling?
AMPU short interest fell (-1.4%) from 976K to 963K shares in the Oct 15, 2026 report.
Is AMPU a short squeeze candidate?
Lician's squeeze watch scores AMPU 6 out of 100 (low) from the Oct 15, 2026 report: days to cover 5.9/25, change in short interest vs prior report 0/15. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of AMPU daily volume is sold short?
43.3% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 64th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was AMPU's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for AMPU was 149,612 shares, 36.9% of 405,120 total volume.
How many AMPU short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for AMPU, from Oct 29, 2026 through Nov 11, 2026.
How did AMPU short volume percent change from the prior cached session?
Cached FINRA short volume for AMPU moved from 79.2% on Nov 10, 2026 to 36.9% on Nov 11, 2026, down 42.3 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.