ProShares UltraShort QQQ (QID) 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. QID shares currently have a short interest ratio of 0.1. Learn More on ProShares UltraShort QQQ's short interest ratio.

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. 16.89% of ProShares UltraShort QQQ's floating shares are currently sold short.

ProShares UltraShort QQQ saw a increase in short interest in May. As of May 29th, there was short interest totaling 2,786,922 shares, an increase of 53.3% from the previous total of 1,818,433 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.

16.89% of ProShares UltraShort QQQ's shares are currently sold short. Here is how the short interest of companies compare to ProShares UltraShort QQQ: Avantis U.S. Quality ETF (0.47%), ProShares S&P 500 Ex-Technology ETF (0.09%), Shiller CAPE U.S. Equities ETF (0.01%), American Century Focused Large Cap Value ETF (0.52%), Bluemonte Large Cap Value ETF (0.16%), Direxion Daily S&P 500 Bull 2X Shares (0.81%), Global X DAX Germany ETF (1.51%), Xtrackers Russell US Multifactor ETF (0.55%), SGI Enhanced Market Leaders ETF (0.16%), Essential 40 Stock ETF (0.59%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($81.27 billion), Invesco QQQ ($49.06 billion), iShares Russell 2000 ETF ($23.61 billion), Western Digital Corporation ($16.93 billion), Sandisk Corporation ($15.61 billion), Salesforce Inc. ($11.65 billion), SPDR S&P Biotech ETF ($10.52 billion), Nebius Group N.V. ($10.24 billion), Lumentum Holdings Inc. ($8.74 billion), and iShares iBoxx $ High Yield Corporate Bond ETF ($8.21 billion). View all of the most shorted stocks.

Short selling QID is an investing strategy that aims to generate trading profit from ProShares UltraShort QQQ as its price is falling. 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 QQQ 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 QID, 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 QID, twice per month. The most recent reporting period available is May, 29 2026.