Magnite Inc (MGNI) short interest & short volume · 7.5% of float short
Magnite Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
MGNI short interest fell 3.8% to 10.5M shares in the Oct 15, 2026 report (7.5% of float, 6.1 days to cover). Daily short volume averaged 43.0% of volume over the last 20 sessions, down from 45.4% the 20 sessions before, the 54th percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 10.5M
- prior 10.9M
- % of float
- 7.5%
- float 140.5M
- Days to cover
- 6.1
- avg vol 1.7M
- Change vs prior report
- -3.8%
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)
- 51.5%
- 941K of 1.8M
- 20-day average
- 43.0%
- prior 45.4%
- Percentile vs own history
- 54th
- 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.
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Market-wide: most shorted stocks, biggest changes and unusual short volume · MGNI overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 940,821 | 1,828,517 | 51.5% |
| 2026-10-30 | 337,433 | 1,081,369 | 31.2% |
| 2026-10-29 | 243,461 | 752,368 | 32.4% |
| 2026-10-28 | 223,075 | 509,035 | 43.8% |
| 2026-10-27 | 170,645 | 699,275 | 24.4% |
| 2026-10-26 | 268,668 | 884,590 | 30.4% |
| 2026-10-23 | 161,031 | 291,079 | 55.3% |
| 2026-10-22 | 278,116 | 676,111 | 41.1% |
| 2026-10-21 | 134,642 | 443,980 | 30.3% |
| 2026-10-20 | 287,996 | 493,119 | 58.4% |
Communication Services peers with similar quant ratings
MGNI is rated 4.60 of 5 among 108 rated Communication Services stocks (Lician quant rating, Nov 4, 2026). How the rating works
- FOXA short interest4.74 · Strong Buy · stock
- CNK short interest4.72 · Strong Buy · stock
- FOX short interest4.68 · Strong Buy · stock
- WMG short interest4.64 · Strong Buy · stock
- AMX short interest4.57 · Strong Buy
- META short interest4.53 · Strong Buy · stock
- GSAT short interest4.49 · Buy · stock
- ZD short interest4.45 · Buy · stock
MGNI on Lician stock screens
MGNI is rated Strong Buy (4.60 of 5) and passes 2 of 9 preset screens on the Nov 4, 2026 quant run. Build your own screen
MGNI short interest FAQ
What is MGNI's short interest?
Magnite Inc (MGNI) had 10.5M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 7.5% of its 140.5M-share float.
How many days to cover does MGNI have?
6.1 days: 10.5M shares short divided by an average daily volume of 1.7M for the Oct 15, 2026 period.
Is MGNI short interest rising or falling?
MGNI short interest fell (-3.8%) from 10.9M to 10.5M shares in the Oct 15, 2026 report.
Is MGNI a short squeeze candidate?
Lician's squeeze watch scores MGNI 25 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 10/40, days to cover 15.3/25, 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 MGNI daily volume is sold short?
43.0% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 54th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was MGNI's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Magnite Inc (MGNI) was 940,821 shares, 51.5% of 1,828,517 total volume.
How many MGNI short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Magnite Inc (MGNI), from Oct 20, 2026 through Nov 2, 2026.
How did MGNI short volume percent change from the prior cached session?
Cached FINRA short volume for Magnite Inc (MGNI) moved from 31.2% on Oct 30, 2026 to 51.5% on Nov 2, 2026, up 20.3 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.