iShares U.S. Basic Materials ETF (IYM) Short Interest Ratio & Short Volume $142.72 +0.59 (+0.42%) As of 08/7/2025 04:10 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartHoldingsOwnershipRatingsShort InterestBuy This Stock iShares U.S. Basic Materials ETF Short Interest DataiShares U.S. Basic Materials ETF (IYM) has a short interest of 393,200 shares. This marks a -0.61% decrease in short interest from the previous month. The short interest ratio (days to cover) is 20.4, indicating that it would take 20.4 days of the average trading volume of 22,232 shares to cover all short positions.Current Short Interest393,200 sharesPrevious Short Interest395,600 sharesChange Vs. Previous Month-0.61%Dollar Volume Sold Short$55.93 millionShort Interest Ratio20.4 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares3,900,000 sharesPercentage of Shares Shorted10.08%Today's Trading Volume13,018 sharesAverage Trading Volume22,232 sharesToday's Volume Vs. Average59% Short Selling iShares U.S. Basic Materials ETF? Sign up to receive the latest short interest report for iShares U.S. Basic Materials ETF and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartIYM Short Interest Over TimeIYM Days to Cover Over TimeIYM Percentage of Float Shorted Over Time iShares U.S. Basic Materials ETF Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/2025393,200 shares $55.93 million -0.6%N/A20.4 $142.25 6/30/2025395,600 shares $55.39 million -1.0%10.1%15.6 $140.01 6/15/2025399,400 shares $55.26 million -1.8%10.2%15.1 $138.37 5/31/2025406,600 shares $54.52 million +0.4%11.0%16.7 $134.09 5/15/2025405,000 shares $54.00 million +2.8%N/A16.6 $133.33 4/30/2025393,800 shares $51.47 million -3.5%N/A14.9 $130.69 4/15/2025408,000 shares $51.83 million -7.0%N/A15.1 $127.03 3/14/2025436,300 shares $59.05 million -2.1%N/A17.7 $135.34 2/14/2025435,900 shares $61.03 million -0.7%N/A19.4 $140.02 1/31/2025439,000 shares $60.46 million +0.3%N/A20.8 $137.73 1/15/2025437,500 shares $59.25 million +0.2%N/A22.7 $135.43 IYM Short Interest - Frequently Asked Questions What is iShares U.S. Basic Materials ETF's current short interest? Short interest is the volume of iShares U.S. Basic Materials ETF shares that have been sold short but have not yet been covered or closed out. As of July 15th, investors have sold 393,200 shares of IYM short. Learn More on iShares U.S. Basic Materials ETF's current short interest. What is a good short interest ratio for iShares U.S. Basic Materials ETF? 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. IYM shares currently have a short interest ratio of 20.0. Learn More on iShares U.S. Basic Materials ETF's short interest ratio. Is iShares U.S. Basic Materials ETF's short interest increasing or decreasing? iShares U.S. Basic Materials ETF saw a decrease in short interest during the month of July. As of July 15th, there was short interest totaling 393,200 shares, a decrease of 0.6% from the previous total of 395,600 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. How does iShares U.S. Basic Materials ETF's short interest compare to its competitors? Here is how the short interest of companies compare to iShares U.S. Basic Materials ETF: VanEck Rare Earth and Strategic Metals ETF (1.33%), Direxion Daily Gold Miners Index Bull 2x Shares (3.06%), SPDR S&P North American Natural Resources ETF (0.07%), MicroSectors Gold Miners 3x Leveraged ETN (3.73%), Fidelity MSCI Materials Index ETF (0.19%), Sprott Gold Miners ETF (0.34%), Direxion Daily Junior Gold Miners Index Bull 2X Shares (5.93%), iShares Global Timber & Forestry ETF (0.26%), iShares Global Materials ETF (0.06%), First Trust Materials AlphaDEX Fund (0.19%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short iShares U.S. Basic Materials ETF stock? Short selling IYM is an investing strategy that aims to generate trading profit from iShares U.S. Basic Materials ETF as its price is falling. IYM shares are trading up $0.59 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. How does a short squeeze work against iShares U.S. Basic Materials ETF? A short squeeze for iShares U.S. Basic Materials 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 IYM, which in turn drives the price of the stock up even further. How often is iShares U.S. Basic Materials ETF's short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including IYM, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies REMX Short Squeeze NUGT Short Squeeze NANR Short Squeeze GDXU Short Squeeze FMAT Short Squeeze SGDM Short Squeeze JNUG Short Squeeze WOOD Short Squeeze MXI Short Squeeze FXZ Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSEARCA:IYM) was last updated on 8/8/2025 by MarketBeat.com Staff From Our PartnersProtect Your Bank Account with THESE 4 Simple StepsStarting as soon as a few months from now, the United States government will make a sweeping change to bank ac...Weiss Ratings | SponsoredAltucher: Trump’s Great Gain is startingNew Hampshire just launched a Strategic Crypto Reserve — and James Altucher says it’s the first sign that “Tru...Paradigm Press | SponsoredBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! 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