Comcast Corp (CMCSA) short interest & short volume · 2.1% of float short
Comcast Corp official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
CMCSA short interest rose 11.7% to 77.5M shares in the Oct 15, 2026 report (2.1% of float, 2.8 days to cover). Daily short volume averaged 47.9% of volume over the last 20 sessions, down from 48.6% the 20 sessions before, the 69th percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 77.5M
- prior 69.4M
- % of float
- 2.1%
- float 3.70B
- Days to cover
- 2.8
- avg vol 27.9M
- Change vs prior report
- +11.7%
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)
- 63.2%
- 8.2M of 13.0M
- 20-day average
- 47.9%
- prior 48.6%
- Percentile vs own history
- 69th
- 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: +8.7%
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.
CMCSA'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 · CMCSA overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 8,216,563 | 12,996,899 | 63.2% |
| 2026-10-30 | 10,636,792 | 17,323,853 | 61.4% |
| 2026-10-29 | 8,433,357 | 13,463,439 | 62.6% |
| 2026-10-28 | 6,543,945 | 10,763,610 | 60.8% |
| 2026-10-27 | 3,939,258 | 8,634,033 | 45.6% |
| 2026-10-26 | 5,501,796 | 13,723,478 | 40.1% |
| 2026-10-23 | 6,304,484 | 10,630,943 | 59.3% |
| 2026-10-22 | 10,436,297 | 18,161,696 | 57.5% |
| 2026-10-21 | 6,182,912 | 13,565,209 | 45.6% |
| 2026-10-20 | 5,451,498 | 11,235,610 | 48.5% |
Communication Services peers with similar quant ratings
CMCSA is rated 3.40 of 5 among 108 rated Communication Services stocks (Lician quant rating, Nov 4, 2026). How the rating works
- STGW short interest3.55 · Buy · stock
- GOOG short interest3.51 · Buy · stock
- NXDR short interest3.47 · Hold · stock
- TTD short interest3.43 · Hold · stock
- VIV short interest3.36 · Hold
- PINS short interest3.32 · Hold · stock
- VZ short interest3.28 · Hold · stock
- FVRR short interest3.25 · Hold · stock
CMCSA short interest FAQ
What is CMCSA's short interest?
Comcast Corp (CMCSA) had 77.5M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 2.1% of its 3.70B-share float.
How many days to cover does CMCSA have?
2.8 days: 77.5M shares short divided by an average daily volume of 27.9M for the Oct 15, 2026 period.
Is CMCSA short interest rising or falling?
CMCSA short interest rose (+11.7%) from 69.4M to 77.5M shares in the Oct 15, 2026 report.
Is CMCSA a short squeeze candidate?
Lician's squeeze watch scores CMCSA 20 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 2.8/40, days to cover 7/25, change in short interest vs prior report 3.5/15, price change since settlement date 7/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of CMCSA daily volume is sold short?
47.9% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 69th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was CMCSA's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Comcast Corp (CMCSA) was 8,216,563 shares, 63.2% of 12,996,899 total volume.
How many CMCSA short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Comcast Corp (CMCSA), from Oct 20, 2026 through Nov 2, 2026.
How did CMCSA short volume percent change from the prior cached session?
Cached FINRA short volume for Comcast Corp (CMCSA) moved from 61.4% on Oct 30, 2026 to 63.2% on Nov 2, 2026, up 1.8 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.