iShares U.S. Utilities ETF (IDU) Short Interest Ratio & Short Volume

Short interest is the volume of iShares U.S. Utilities ETF shares that have been sold short but have not yet been covered or closed out. As of May 15th, investors have sold 73,900 shares of IDU short. Learn More on iShares U.S. Utilities 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. IDU shares currently have a short interest ratio of 1.0. Learn More on iShares U.S. Utilities ETF's short interest ratio.

iShares U.S. Utilities ETF saw a increase in short interest in the month of May. As of May 15th, there was short interest totaling 73,900 shares, an increase of 37.1% from the previous total of 53,900 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 iShares U.S. Utilities ETF: First Trust Utilities AlphaDEX Fund (0.29%), Fidelity MSCI Utilities Index ETF (0.58%), Virtus Reaves Utilities ETF (0.91%), Invesco S&P 500 Equal Weight Utilities ETF (0.31%), iShares Global Utilities ETF (0.80%), Invesco Dorsey Wright Utilities Momentum ETF (1.10%), Direxion Daily Utilities Bull 3X Shares (14.50%), ProShares Ultra Utilities (0.93%), Invesco S&P SmallCap Utilities & Communication Services ETF (2.79%), ProShares UltraShort Utilities (17.07%),

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 IDU is an investing strategy that aims to generate trading profit from iShares U.S. Utilities ETF as its price is falling. IDU shares are trading down $0.16 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 iShares U.S. Utilities 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 IDU, 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 IDU, twice per month. The most recent reporting period available is May, 15 2025.