SPDR S&P 500 ETF Trust (SPY) Short Interest Ratio & Short Volume

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. SPY shares currently have a short interest ratio of 2.4. Learn More on SPDR S&P 500 ETF Trust's short interest ratio.

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of SPDR S&P 500 ETF Trust: Galaxy Group Investments LLC, Hsbc Holdings PLC, Corient Private Wealth LLC, OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC , Corecam Pte. Ltd., Alpine Global Management LLC, Mariner Investment Group LLC, FourWorld Capital Management LLC, CMT Capital Markets Trading GmbH, Corient Private Wealth LLC, Alberta Investment Management Corp, Absoluto Partners Gestao de Recursos Ltda, Raymond James Financial Inc., Beacon Pointe Advisors LLC, Mendon Capital Advisors Corp, CTC LLC, Mackenzie Financial Corp, Yaupon Capital Management LP, LRZ Capital LLC, Symmetry Investments LP, Toronto Dominion Bank, Tudor Investment Corp ET AL, Suvretta Capital Management LLC, Potrero Capital Research LLC, Riposte Capital LLC, Oaktree Capital Management LP, OLD Mission Capital LLC, Millennium Management LLC, Moore Capital Management LP, Main Street Financial Solutions LLC, Man Group plc, Hunting Hill Global Capital LLC, IHT Wealth Management LLC, Interval Partners LP, Invenomic Capital Management LP, Eminence Capital LP, Eversept Partners LP, Castle Hook Partners LP, CastleKnight Management LP, Cinctive Capital Management LP, Clearline Capital LP, Balyasny Asset Management L.P., Boothbay Fund Management LLC, Aristeia Capital L.L.C., Armistice Capital LLC, AYAL Capital Advisors Ltd, Altshuler Shaham Ltd, Guggenheim Capital LLC, Schonfeld Strategic Advisors LLC, Third Point LLC, FourWorld Capital Management LLC, Integrated Advisors Network LLC, Polar Asset Management Partners Inc., J. Goldman & Co LP, Aequim Alternative Investments LP, Northeast Financial Group Inc., Cetera Investment Advisers, Jain Global LLC, TOMS Capital Investment Management LP, Sender Co & Partners Inc., Pentwater Capital Management LP, Game Creek Capital LP, Wealth Watch Advisors INC, Symmetry Peak Management LLC, HBK Investments L P, RPO LLC, Kovack Advisors Inc., RPD Fund Management LLC, BTG Pactual Asset Management US LLC, EMG Holdings L.P., Jump Financial LLC, Farallon Capital Management LLC, Kotler Kevin, Anson Funds Management LP, Ninepoint Partners LP, Weiss Asset Management LP, Osaic Holdings Inc., Susquehanna Advisors Group Inc., Arosa Capital Management LP, Diadema Partners LP, Private Advisor Group LLC, Lombard Odier Asset Management USA Corp, Cantor Fitzgerald L. P., Union Square Park Capital Management LLC, Sabby Management LLC, ExodusPoint Capital Management LP, Graham Capital Management L.P., Royal Bank of Canada, Persistent Asset Partners Ltd, Nicholas Wealth LLC., NewGen Asset Management Ltd, Islay Capital Management LLC, Alkeon Capital Management LLC, Alberta Investment Management Corp, Squarepoint Ops LLC, OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC , Occam Crest Management LP, Sculptor Capital LP, Sycale Advisors NY LLC, Tamar Securities LLC, Yakira Capital Management Inc., Venture Visionary Partners LLC, Verition Fund Management LLC, Walleye Trading LLC, PEAK6 LLC, Ripple Effect Asset Management LP, Marathon Trading Investment Management LLC, Marnell Management LLC, Maven Securities LTD, Fifth Lane Capital LP, Fort Point Capital Partners LLC, Healthcare of Ontario Pension Plan Trust Fund, Kore Advisors LP, Dymon Asia Capital Singapore PTE. LTD., Barclays PLC, Brant Point Investment Management LLC, Brasada Capital Management LP, Bayview Asset Management LLC, and Aptus Capital Advisors LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 11.70% of SPDR S&P 500 ETF Trust's floating shares are currently sold short.

SPDR S&P 500 ETF Trust saw a decline in short interest during the month of April. As of April 30th, there was short interest totaling 119,797,329 shares, a decline of 4.2% from the previous total of 125,003,596 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

11.70% of SPDR S&P 500 ETF Trust's shares are currently sold short. Here is how the short interest of companies compare to SPDR S&P 500 ETF Trust: iShares Core S&P 500 ETF (1.33%), Vanguard S&P 500 ETF (0.35%), Invesco QQQ (9.11%), Vanguard Growth ETF (0.68%), Vanguard Value ETF (0.11%), State Street SPDR Portfolio S&P 500 ETF (0.50%), iShares Russell 1000 Growth ETF (0.60%), Invesco NASDAQ 100 ETF (0.78%), Invesco S&P 500 Equal Weight ETF (6.78%), iShares Russell 1000 Value ETF (0.78%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($86.09 billion), Invesco QQQ ($39.89 billion), iShares Russell 2000 ETF ($26.13 billion), Western Digital Corporation ($12.66 billion), Salesforce Inc. ($12.29 billion), Sandisk Corporation ($11.87 billion), SPDR S&P Biotech ETF ($9.82 billion), Lumentum Holdings Inc. ($8.51 billion), iShares 20+ Year Treasury Bond ETF ($7.76 billion), and Bloom Energy Corporation ($7.40 billion). View all of the most shorted stocks.

Short selling SPY is an investing strategy that aims to generate trading profit from SPDR S&P 500 ETF Trust as its price is falling. SPY shares are trading up $5.86 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for SPDR S&P 500 ETF Trust occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of SPY, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including SPY, twice per month. The most recent reporting period available is April, 30 2026.