Canadian National Railway Company (CNI) short interest & short volume · 0.8% of float short
Canadian National Railway Company official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
CNI short interest fell 21.9% to 5.0M shares in the Oct 15, 2026 report (0.8% of float, 5.4 days to cover). Daily short volume averaged 53.3% of volume over the last 20 sessions, down from 69.9% the 20 sessions before, the 45th percentile of its own 20-day averages since Oct 6, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 5.0M
- prior 6.4M
- % of float
- 0.8%
- float 610.2M
- Days to cover
- 5.4
- avg vol 929K
- Change vs prior report
- -21.9%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 5.0M | $602.0M | -21.9% | 0.8% | 5.4 | $120.74 |
| Sep 30, 2026 | 6.4M | $759.2M | +18.2% | 1.1% | 5.0 | $118.90 |
| Sep 15, 2026 | 5.4M | $657.9M | -19.8% | 0.9% | 3.3 | $121.77 |
| Aug 31, 2026 | 6.7M | $839.9M | +39.7% | 1.1% | 6.5 | $124.75 |
| Aug 14, 2026 | 4.8M | $611.4M | +3.6% | 0.8% | 3.7 | $126.84 |
| Jul 31, 2026 | 4.7M | $591.8M | +54.3% | 0.8% | 2.5 | $127.21 |
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 11)
- 48.5%
- 98K of 201K
- 20-day average
- 53.3%
- prior 69.9%
- Percentile vs own history
- 45th
- 233 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 11, 2026
Short squeeze score (model)
Price since settlement: +5.8%
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.
CNI'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 · CNI overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 97,530 | 201,211 | 48.5% |
| 2026-11-10 | 98,897 | 260,213 | 38.0% |
| 2026-11-09 | 220,194 | 362,447 | 60.8% |
| 2026-11-06 | 198,897 | 376,082 | 52.9% |
| 2026-11-05 | 375,241 | 775,473 | 48.4% |
| 2026-11-04 | 197,093 | 458,284 | 43.0% |
| 2026-11-03 | 214,434 | 310,050 | 69.2% |
| 2026-11-02 | 199,413 | 416,786 | 47.9% |
| 2026-10-30 | 356,925 | 619,484 | 57.6% |
| 2026-10-29 | 268,454 | 532,477 | 50.4% |
Industrials peers with similar quant ratings
CNI is rated 3.43 of 5 among 425 rated Industrials stocks (Lician quant rating, Nov 13, 2026). How the rating works
- VSEC short interest3.47 · Hold · stock
- PRLB short interest3.46 · Hold · stock
- ESLT short interest3.45 · Hold · stock
- TBI short interest3.44 · Hold · stock
- POWW short interest3.43 · Hold
- RBC short interest3.42 · Hold · stock
- ARCB short interest3.41 · Hold · stock
- RBA short interest3.40 · Hold · stock
CNI short interest FAQ
What is CNI's short interest?
Canadian National Railway Company (CNI) had 5.0M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 0.8% of its 610.2M-share float.
How many days to cover does CNI have?
5.4 days: 5.0M shares short divided by an average daily volume of 929K for the Oct 15, 2026 period.
Is CNI short interest rising or falling?
CNI short interest fell (-21.9%) from 6.4M to 5.0M shares in the Oct 15, 2026 report.
Is CNI a short squeeze candidate?
Lician's squeeze watch scores CNI 19 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 1.1/40, days to cover 13.4/25, change in short interest vs prior report 0/15, price change since settlement date 4.6/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of CNI daily volume is sold short?
53.3% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 45th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was CNI's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for Canadian National Railway Company (CNI) was 97,530 shares, 48.5% of 201,211 total volume.
How many CNI short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Canadian National Railway Company (CNI), from Oct 29, 2026 through Nov 11, 2026.
How did CNI short volume percent change from the prior cached session?
Cached FINRA short volume for Canadian National Railway Company (CNI) moved from 38.0% on Nov 10, 2026 to 48.5% on Nov 11, 2026, up 10.5 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.