Arch Capital Group Ltd (ACGLN) short interest & short volume · 0.0% of float short
Arch Capital Group Ltd official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
ACGLN short interest rose 27.5% to 23K shares in the Oct 15, 2026 report (0.0% of float, 1.0 days to cover). Daily short volume averaged 44.5% of volume over the last 20 sessions, up from 41.1% the 20 sessions before, the 39th percentile of its own 20-day averages since Sep 22, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 23K
- prior 18K
- % of float
- 0.0%
- float 360.4M
- Days to cover
- 1.0
- avg vol 61K
- Change vs prior report
- +27.5%
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)
- 54.5%
- 34K of 62K
- 20-day average
- 44.5%
- prior 41.1%
- Percentile vs own history
- 39th
- 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: -3.1%
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.
ACGLN'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 · ACGLN overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 33,853 | 62,173 | 54.5% |
| 2026-10-30 | 35,029 | 60,510 | 57.9% |
| 2026-10-29 | 11,899 | 37,339 | 31.9% |
| 2026-10-28 | 13,791 | 40,498 | 34.0% |
| 2026-10-27 | 13,694 | 42,104 | 32.5% |
| 2026-10-26 | 35,272 | 72,396 | 48.7% |
| 2026-10-23 | 11,358 | 31,104 | 36.5% |
| 2026-10-22 | 26,835 | 53,180 | 50.5% |
| 2026-10-21 | 12,397 | 30,265 | 41.0% |
| 2026-10-20 | 12,622 | 33,183 | 38.0% |
Financials peers with similar quant ratings
ACGLN is rated 4.39 of 5 among 516 rated Financials stocks (Lician quant rating, Nov 4, 2026). How the rating works
- VABK short interest4.42 · Buy · stock
- AUB short interest4.41 · Buy · stock
- ASB short interest4.40 · Buy · stock
- BBDC short interest4.40 · Buy · stock
- BY short interest4.38 · Buy · stock
- CM short interest4.38 · Buy
- MA short interest4.37 · Buy · stock
- SIGI short interest4.36 · Buy
ACGLN on Lician stock screens
ACGLN is rated Buy (4.39 of 5) and passes 2 of 9 preset screens on the Nov 4, 2026 quant run. Build your own screen
ACGLN short interest FAQ
What is ACGLN's short interest?
Arch Capital Group Ltd (ACGLN) had 23K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 0.0% of its 360.4M-share float.
How many days to cover does ACGLN have?
1.0 days: 23K shares short divided by an average daily volume of 61K for the Oct 15, 2026 period.
Is ACGLN short interest rising or falling?
ACGLN short interest rose (+27.5%) from 18K to 23K shares in the Oct 15, 2026 report.
Is ACGLN a short squeeze candidate?
Lician's squeeze watch scores ACGLN 11 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 0/40, days to cover 2.5/25, change in short interest vs prior report 8.2/15, 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 ACGLN daily volume is sold short?
44.5% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 39th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was ACGLN's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Arch Capital Group Ltd (ACGLN) was 33,853 shares, 54.5% of 62,173 total volume.
How many ACGLN short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Arch Capital Group Ltd (ACGLN), from Oct 20, 2026 through Nov 2, 2026.
How did ACGLN short volume percent change from the prior cached session?
Cached FINRA short volume for Arch Capital Group Ltd (ACGLN) moved from 57.9% on Oct 30, 2026 to 54.5% on Nov 2, 2026, down 3.4 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.