SPDR S&P 500 ETF Trust (SPY) short interest & short volume · 93.0M shares short
SPDR S&P 500 ETF Trust official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
SPY short interest fell 5.6% to 93.0M shares in the Oct 15, 2026 report (2.5 days to cover). Daily short volume averaged 53.4% of volume over the last 20 sessions, down from 56.5% the 20 sessions before, the 33rd percentile of its own 20-day averages since Oct 7, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 93.0M
- prior 98.5M
- % of float
- —
- no float on file
- Days to cover
- 2.5
- avg vol 37.5M
- Change vs prior report
- -5.6%
| Report date | Shares short | $ value short | Change | % float | Days to cover | Price |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 93.0M | $71.77B | -5.6% | — | 2.5 | $771.79 |
| Sep 30, 2026 | 98.5M | $75.10B | -0.8% | — | 2.0 | $762.63 |
| Sep 15, 2026 | 99.3M | $75.21B | +21.5% | — | 2.5 | $757.39 |
| Aug 31, 2026 | 81.7M | $62.68B | -11.4% | — | 2.2 | $767.05 |
| Aug 14, 2026 | 92.2M | $71.57B | -2.3% | — | 2.1 | $776.34 |
| Jul 31, 2026 | 94.4M | $70.50B | -2.5% | — | 1.8 | $747.03 |
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)
- 53.3%
- 6.9M of 13.0M
- 20-day average
- 53.4%
- prior 56.5%
- Percentile vs own history
- 33rd
- 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: -1.9%
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.
SPY'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 · SPY overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-11 | 6,948,383 | 13,042,372 | 53.3% |
| 2026-11-10 | 6,801,358 | 11,754,789 | 57.9% |
| 2026-11-09 | 7,020,995 | 15,124,018 | 46.4% |
| 2026-11-06 | 7,516,657 | 17,607,125 | 42.7% |
| 2026-11-05 | 22,821,706 | 40,733,089 | 56.0% |
| 2026-11-04 | 12,629,114 | 20,916,587 | 60.4% |
| 2026-11-03 | 4,747,501 | 11,280,055 | 42.1% |
| 2026-11-02 | 10,721,063 | 19,334,797 | 55.5% |
| 2026-10-30 | 14,518,060 | 22,833,695 | 63.6% |
| 2026-10-29 | 7,249,469 | 11,383,042 | 63.7% |
SPY short interest FAQ
What is SPY's short interest?
SPDR S&P 500 ETF Trust (SPY) had 93.0M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does SPY have?
2.5 days: 93.0M shares short divided by an average daily volume of 37.5M for the Oct 15, 2026 period.
Is SPY short interest rising or falling?
SPY short interest fell (-5.6%) from 98.5M to 93.0M shares in the Oct 15, 2026 report.
Is SPY a short squeeze candidate?
Lician's squeeze watch scores SPY 6 out of 100 (low) from the Oct 15, 2026 report: days to cover 6.2/25, 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 SPY daily volume is sold short?
53.4% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 33rd percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was SPY's latest FINRA short volume?
On Nov 11, 2026, cached FINRA short volume for SPDR S&P 500 ETF Trust (SPY) was 6,948,383 shares, 53.3% of 13,042,372 total volume.
How many SPY short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for SPDR S&P 500 ETF Trust (SPY), from Oct 29, 2026 through Nov 11, 2026.
How did SPY short volume percent change from the prior cached session?
Cached FINRA short volume for SPDR S&P 500 ETF Trust (SPY) moved from 57.9% on Nov 10, 2026 to 53.3% on Nov 11, 2026, down 4.6 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.