T-Mobile US Inc (TMUS) short interest & short volume · 15.0M shares short
T-Mobile US Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
TMUS short interest rose 4.7% to 15.0M shares in the Oct 15, 2026 report (2.4 days to cover). Daily short volume averaged 37.9% of volume over the last 20 sessions, down from 38.6% the 20 sessions before, the 68th percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 15.0M
- prior 14.3M
- % of float
- —
- no float on file
- Days to cover
- 2.4
- avg vol 6.3M
- Change vs prior report
- +4.7%
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.
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)
- 59.0%
- 1.7M of 2.9M
- 20-day average
- 37.9%
- prior 38.6%
- Percentile vs own history
- 68th
- 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: -1.7%
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.
TMUS'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 · TMUS overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 1,703,337 | 2,888,851 | 59.0% |
| 2026-10-30 | 1,758,693 | 4,145,142 | 42.4% |
| 2026-10-29 | 1,432,958 | 2,900,463 | 49.4% |
| 2026-10-28 | 1,027,254 | 3,095,167 | 33.2% |
| 2026-10-27 | 524,131 | 2,217,693 | 23.6% |
| 2026-10-26 | 1,104,701 | 3,026,219 | 36.5% |
| 2026-10-23 | 1,491,619 | 3,582,589 | 41.6% |
| 2026-10-22 | 975,524 | 1,954,988 | 49.9% |
| 2026-10-21 | 724,877 | 1,947,015 | 37.2% |
| 2026-10-20 | 793,347 | 2,361,589 | 33.6% |
Communication Services peers with similar quant ratings
TMUS is rated 4.26 of 5 among 108 rated Communication Services stocks (Lician quant rating, Nov 4, 2026). How the rating works
- RDDT short interest4.42 · Buy · stock
- IMAX short interest4.38 · Buy · stock
- TME short interest4.34 · Buy
- ROKU short interest4.30 · Buy · stock
- AMC short interest4.23 · Buy · stock
- IAS short interest4.19 · Buy · stock
- GRVY short interest4.15 · Buy · stock
- IDT short interest4.11 · Buy · stock
TMUS on Lician stock screens
TMUS is rated Buy (4.26 of 5) and passes 3 of 9 preset screens on the Nov 4, 2026 quant run. Build your own screen
- Highly profitable Communication Services stocks rated Buy or better
- Highly profitable stocks rated Buy or better
- Communication Services stocks with rising earnings estimates
- Stocks with rising earnings estimates
- Communication Services dividend stocks rated Buy or better
- Dividend stocks rated Buy or better
TMUS short interest FAQ
What is TMUS's short interest?
T-Mobile US Inc (TMUS) had 15.0M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does TMUS have?
2.4 days: 15.0M shares short divided by an average daily volume of 6.3M for the Oct 15, 2026 period.
Is TMUS short interest rising or falling?
TMUS short interest rose (+4.7%) from 14.3M to 15.0M shares in the Oct 15, 2026 report.
Is TMUS a short squeeze candidate?
Lician's squeeze watch scores TMUS 7 out of 100 (low) from the Oct 15, 2026 report: days to cover 5.9/25, change in short interest vs prior report 1.4/15, 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 TMUS daily volume is sold short?
37.9% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 68th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was TMUS's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for T-Mobile US Inc (TMUS) was 1,703,337 shares, 59.0% of 2,888,851 total volume.
How many TMUS short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for T-Mobile US Inc (TMUS), from Oct 20, 2026 through Nov 2, 2026.
How did TMUS short volume percent change from the prior cached session?
Cached FINRA short volume for T-Mobile US Inc (TMUS) moved from 42.4% on Oct 30, 2026 to 59.0% on Nov 2, 2026, up 16.6 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.