iShares U.S. Medical Devices ETF (IHI) 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. IHI shares currently have a short interest ratio of 2.3. Learn More on iShares U.S. Medical Devices ETF'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. 8.58% of iShares U.S. Medical Devices ETF's floating shares are currently sold short.

iShares U.S. Medical Devices ETF saw a decline in short interest in the month of April. As of April 30th, there was short interest totaling 5,308,654 shares, a decline of 16.3% from the previous total of 6,343,796 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.

8.58% of iShares U.S. Medical Devices ETF's shares are currently sold short. Here is how the short interest of companies compare to iShares U.S. Medical Devices ETF: iShares U.S. Healthcare ETF (1.23%), Fidelity MSCI Health Care Index ETF (0.12%), iShares Global Healthcare ETF (0.09%), First Trust NYSE Arca Biotechnology Index Fund (0.31%), VanEck Pharmaceutical ETF (15.41%), iShares U.S. Pharmaceuticals ETF (4.59%), First Trust Health Care AlphaDEX Fund (0.19%), iShares U.S. Healthcare Providers ETF (2.83%), Invesco S&P 500 Equal Weight Health Care ETF (3.31%), Direxion Daily S&P Biotech Bull 3x Shares (21.65%),

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 IHI is an investing strategy that aims to generate trading profit from iShares U.S. Medical Devices ETF 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 iShares U.S. Medical Devices 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 IHI, 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 IHI, twice per month. The most recent reporting period available is April, 30 2026.