Spok Holdings Inc (SPOK) short interest & short volume · 656K shares short
Spok Holdings Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
SPOK short interest fell 5.2% to 656K shares in the Oct 15, 2026 report (5.3 days to cover). Daily short volume averaged 50.1% of volume over the last 20 sessions, down from 58.9% the 20 sessions before, the 48th percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 656K
- prior 691K
- % of float
- —
- no float on file
- Days to cover
- 5.3
- avg vol 123K
- Change vs prior report
- -5.2%
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 2)
- 31.8%
- 45K of 142K
- 20-day average
- 50.1%
- prior 58.9%
- Percentile vs own history
- 48th
- 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: +11.8%
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.
SPOK'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 · SPOK overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 45,050 | 141,576 | 31.8% |
| 2026-10-30 | 42,229 | 131,050 | 32.2% |
| 2026-10-29 | 87,393 | 304,297 | 28.7% |
| 2026-10-28 | 49,022 | 77,393 | 63.3% |
| 2026-10-27 | 59,365 | 97,851 | 60.7% |
| 2026-10-26 | 57,849 | 103,036 | 56.1% |
| 2026-10-23 | 29,242 | 50,267 | 58.2% |
| 2026-10-22 | 34,292 | 59,784 | 57.4% |
| 2026-10-21 | 23,578 | 40,319 | 58.5% |
| 2026-10-20 | 17,592 | 36,790 | 47.8% |
Healthcare peers with similar quant ratings
SPOK is rated 3.26 of 5 among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- HLN short interest3.29 · Hold
- ANAB short interest3.28 · Hold · stock
- FDMT short interest3.27 · Hold · stock
- PROF short interest3.27 · Hold · stock
- OBIO short interest3.25 · Hold · stock
- ANTX short interest3.24 · Hold · stock
- ATR short interest3.24 · Hold · stock
- ALHC short interest3.23 · Hold · stock
SPOK short interest FAQ
What is SPOK's short interest?
Spok Holdings Inc (SPOK) had 656K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does SPOK have?
5.3 days: 656K shares short divided by an average daily volume of 123K for the Oct 15, 2026 period.
Is SPOK short interest rising or falling?
SPOK short interest fell (-5.2%) from 691K to 656K shares in the Oct 15, 2026 report.
Is SPOK a short squeeze candidate?
Lician's squeeze watch scores SPOK 23 out of 100 (low) from the Oct 15, 2026 report: days to cover 13.4/25, change in short interest vs prior report 0/15, price change since settlement date 9.4/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of SPOK daily volume is sold short?
50.1% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 48th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was SPOK's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Spok Holdings Inc (SPOK) was 45,050 shares, 31.8% of 141,576 total volume.
How many SPOK short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Spok Holdings Inc (SPOK), from Oct 20, 2026 through Nov 2, 2026.
How did SPOK short volume percent change from the prior cached session?
Cached FINRA short volume for Spok Holdings Inc (SPOK) moved from 32.2% on Oct 30, 2026 to 31.8% on Nov 2, 2026, down 0.4 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.