ProShares UltraShort Lehman 7-10 Year Treasury (PST) Short Interest Ratio & Short Volume

Short interest is the volume of ProShares UltraShort Lehman 7-10 Year Treasury shares that have been sold short but have not yet been closed out or covered. As of May 15th, investors have sold 12,500 shares of PST short. Learn More on ProShares UltraShort Lehman 7-10 Year Treasury'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. PST shares currently have a short interest ratio of 1.0. Learn More on ProShares UltraShort Lehman 7-10 Year Treasury's short interest ratio.

ProShares UltraShort Lehman 7-10 Year Treasury saw a increase in short interest during the month of May. As of May 15th, there was short interest totaling 12,500 shares, an increase of 14.7% from the previous total of 10,900 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.

Here is how the short interest of companies compare to ProShares UltraShort Lehman 7-10 Year Treasury: US Treasury 20 Year Bond ETF (0.37%), ProShares Short 7-10 Treasury (0.16%), WisdomTree 1-3 Year Laddered Treasury Fund (1.87%), US Treasury 30 Year Bond ETF (0.24%), Direxion Daily 7-10 Year Treasury Bear 3x Shares (2.75%), US Treasury 3 Year Note ETF (0.10%), US Treasury 7 Year Note ETF (0.56%), ProShares Ultra 7-10 Year Treasury (2.22%), iShares iBonds Dec 2054 Term Treasury ETF (0.10%), ProShares UltraPro Short 20+ Year Treasury (3.92%),

As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks.

Short selling PST is an investing strategy that aims to generate trading profit from ProShares UltraShort Lehman 7-10 Year Treasury as its price is falling. PST shares are trading up $0.39 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 ProShares UltraShort Lehman 7-10 Year Treasury 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 PST, 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 PST, twice per month. The most recent reporting period available is May, 15 2025.