SPDR Portfolio S&P 500 ETF (SPLG) Short Interest Ratio & Short Volume

Short interest is the volume of SPDR Portfolio S&P 500 ETF shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 26,420,000 shares of SPLG short. 2.49% of SPDR Portfolio S&P 500 ETF's shares are currently sold short. Learn More on SPDR Portfolio S&P 500 ETF's current short interest.

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. SPLG shares currently have a short interest ratio of 3.0. Learn More on SPDR Portfolio S&P 500 ETF'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 Portfolio S&P 500 ETF: Jane Street Group 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. 2.49% of SPDR Portfolio S&P 500 ETF's floating shares are currently sold short.

SPDR Portfolio S&P 500 ETF saw a decline in short interest during the month of July. As of July 31st, there was short interest totaling 26,420,000 shares, a decline of 4.0% from the previous total of 27,530,000 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.

2.49% of SPDR Portfolio S&P 500 ETF's shares are currently sold short. Here is how the short interest of companies compare to SPDR Portfolio S&P 500 ETF: Invesco S&P 500 Equal Weight ETF (8.43%), iShares S&P 500 Growth ETF (0.23%), iShares Russell 1000 Value ETF (0.95%), Schwab US Large-Cap ETF (0.09%), Invesco NASDAQ 100 ETF (0.57%), Schwab U.S. Large-Cap Growth ETF (0.20%), iShares Russell 1000 Growth ETF (0.65%), Vanguard Large-Cap ETF (0.05%), iShares Russell 1000 ETF (1.73%), JPMorgan Equity Premium Income ETF (0.90%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks.

Short selling SPLG is an investing strategy that aims to generate trading profit from SPDR Portfolio S&P 500 ETF as its price is falling. SPLG shares are trading up $1.14 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 Portfolio S&P 500 ETF 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 SPLG, 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 SPLG, twice per month. The most recent reporting period available is July, 31 2025.