SDY stock
SDY (SDY) short interest & short volume · 106K shares short
SDY official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
SDY short interest rose 113.1% to 106K shares in the Oct 15, 2026 report (1.0 days to cover). Daily short volume averaged 39.7% of volume over the last 20 sessions, the 98th percentile of its own 20-day averages since Oct 6, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 106K
- prior 50K
- % of float
- —
- no float on file
- Days to cover
- 1.0
- avg vol 219K
- Change vs prior report
- +113.1%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 106K | $16.3M | +113.1% | — | 1.0 | $153.96 |
| Sep 30, 2026 | 50K | $7.3M | +33.6% | — | 1.0 | $146.48 |
| Sep 15, 2026 | 37K | $5.7M | +70.9% | — | 1.0 | $153.33 |
| Aug 31, 2026 | 22K | $3.4M | -61.7% | — | 1.0 | $156.24 |
| Aug 14, 2026 | 57K | $9.0M | +87.9% | — | 1.0 | $158.53 |
| Jul 31, 2026 | 30K | $4.7M | -45.8% | — | 1.0 | $155.00 |
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 11)
- 52.8%
- 62K of 118K
- 20-day average
- 39.7%
- prior 39.8%
- Percentile vs own history
- 98th
- 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: +6.1%
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.
SDY'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 · SDY overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 62,258 | 117,929 | 52.8% |
| 2026-11-10 | 71,829 | 149,586 | 48.0% |
| 2026-11-09 | 54,310 | 189,950 | 28.6% |
| 2026-11-06 | 132,925 | 208,701 | 63.7% |
| 2026-11-05 | 151,936 | 239,856 | 63.3% |
| 2026-11-04 | 57,901 | 122,400 | 47.3% |
| 2026-11-03 | 78,902 | 154,973 | 50.9% |
| 2026-11-02 | 157,335 | 298,569 | 52.7% |
| 2026-10-30 | 64,898 | 132,488 | 49.0% |
| 2026-10-29 | 41,981 | 122,877 | 34.2% |
SDY short interest FAQ
What is SDY's short interest?
SDY had 106K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does SDY have?
1.0 days: 106K shares short divided by an average daily volume of 219K for the Oct 15, 2026 period.
Is SDY short interest rising or falling?
SDY short interest rose (+113.1%) from 50K to 106K shares in the Oct 15, 2026 report.
Is SDY a short squeeze candidate?
Lician's squeeze watch scores SDY 22 out of 100 (low) from the Oct 15, 2026 report: days to cover 2.5/25, change in short interest vs prior report 15/15, price change since settlement date 4.9/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of SDY daily volume is sold short?
39.7% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 98th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was SDY's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for SDY was 62,258 shares, 52.8% of 117,929 total volume.
How many SDY short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for SDY, from Oct 29, 2026 through Nov 11, 2026.
How did SDY short volume percent change from the prior cached session?
Cached FINRA short volume for SDY moved from 48.0% on Nov 10, 2026 to 52.8% on Nov 11, 2026, up 4.8 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.