Amtech Systems Inc (ASYS) short interest & short volume · 14.4% of float short
Amtech Systems Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
ASYS short interest fell 13.5% to 1.4M shares in the Oct 15, 2026 report (14.4% of float, 5.9 days to cover). Daily short volume averaged 54.4% of volume over the last 20 sessions, the 91st percentile of its own 20-day averages since Sep 22, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 1.4M
- prior 1.6M
- % of float
- 14.4%
- float 9.5M
- Days to cover
- 5.9
- avg vol 231K
- Change vs prior report
- -13.5%
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)
- 49.5%
- 63K of 127K
- 20-day average
- 54.4%
- prior 54.5%
- Percentile vs own history
- 91st
- 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: -4.8%
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.
ASYS'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 · ASYS overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 62,712 | 126,601 | 49.5% |
| 2026-10-30 | 77,491 | 119,421 | 64.9% |
| 2026-10-29 | 54,705 | 84,619 | 64.7% |
| 2026-10-28 | 26,465 | 58,189 | 45.5% |
| 2026-10-27 | 37,261 | 64,345 | 57.9% |
| 2026-10-26 | 25,198 | 47,776 | 52.7% |
| 2026-10-23 | 62,218 | 117,623 | 52.9% |
| 2026-10-22 | 88,149 | 145,918 | 60.4% |
| 2026-10-21 | 79,441 | 145,296 | 54.7% |
| 2026-10-20 | 59,055 | 85,521 | 69.0% |
Technology peers with similar quant ratings
ASYS is rated 2.12 of 5 among 462 rated Technology stocks (Lician quant rating, Nov 4, 2026). How the rating works
- HCKT short interest2.16 · Sell · stock
- ROG short interest2.15 · Sell · stock
- VSAT short interest2.14 · Sell · stock
- CLVT short interest2.13 · Sell · stock
- GTM short interest2.12 · Sell · stock
- ASAN short interest2.11 · Sell · stock
- QUBT short interest2.10 · Sell · stock
- AIOT short interest2.09 · Sell · stock
ASYS short interest FAQ
What is ASYS's short interest?
Amtech Systems Inc (ASYS) had 1.4M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 14.4% of its 9.5M-share float.
How many days to cover does ASYS have?
5.9 days: 1.4M shares short divided by an average daily volume of 231K for the Oct 15, 2026 period.
Is ASYS short interest rising or falling?
ASYS short interest fell (-13.5%) from 1.6M to 1.4M shares in the Oct 15, 2026 report.
Is ASYS a short squeeze candidate?
Lician's squeeze watch scores ASYS 34 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 19.2/40, days to cover 14.8/25, 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 ASYS daily volume is sold short?
54.4% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 91st percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was ASYS's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Amtech Systems Inc (ASYS) was 62,712 shares, 49.5% of 126,601 total volume.
How many ASYS short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Amtech Systems Inc (ASYS), from Oct 20, 2026 through Nov 2, 2026.
How did ASYS short volume percent change from the prior cached session?
Cached FINRA short volume for Amtech Systems Inc (ASYS) moved from 64.9% on Oct 30, 2026 to 49.5% on Nov 2, 2026, down 15.4 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.