iShares U.S. Basic Materials ETF (IYM) Short Interest Ratio & Short Volume $137.86 +0.27 (+0.20%) As of 01:26 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 405,000 shares. This marks a 2.84% increase in short interest from the previous month. The short interest ratio (days to cover) is 16.6, indicating that it would take 16.6 days of the average trading volume of 23,319 shares to cover all short positions.Current Short Interest405,000 sharesPrevious Short Interest393,800 sharesChange Vs. Previous Month+2.84%Dollar Volume Sold Short$54.00 millionShort Interest Ratio16.6 Days to CoverLast Record DateMay 15, 2025Outstanding Shares3,700,000 sharesPercentage of Shares Shorted10.95%Today's Trading Volume2,984 sharesAverage Trading Volume23,319 sharesToday's Volume Vs. Average13% 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 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 closed out or covered. As of May 15th, investors have sold 405,000 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 17.0. 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 increase in short interest in the month of May. As of May 15th, there was short interest totaling 405,000 shares, an increase of 2.8% from the previous total of 393,800 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: Direxion Daily Gold Miners Index Bull 2x Shares (9.45%), Fidelity MSCI Materials Index ETF (0.08%), Sprott Gold Miners ETF (0.13%), SPDR S&P North American Natural Resources ETF (0.02%), Direxion Daily Junior Gold Miners Index Bull 2X Shares (10.24%), VanEck Rare Earth and Strategic Metals ETF (0.76%), iShares Global Materials ETF (0.18%), First Trust Materials AlphaDEX Fund (0.14%), iShares Global Timber & Forestry ETF (0.43%), Invesco S&P 500 Equal Weight Materials ETF (0.07%), Which stocks are the most shorted right now? 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. 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 down $0.63 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 appreciates 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 May, 15 2025. More Short Interest Resources from MarketBeat Related Companies NUGT Short Squeeze FMAT Short Squeeze SGDM Short Squeeze NANR Short Squeeze JNUG Short Squeeze REMX Short Squeeze MXI Short Squeeze FXZ Short Squeeze WOOD Short Squeeze RSPM 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 6/6/2025 by MarketBeat.com Staff From Our PartnersWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... A single announcement by July 22nd could soon b...Altimetry | SponsoredBanks aren’t ready for this altcoin—are you?While everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly po...Crypto 101 Media | SponsoredThe Real Reason Silver Prices Are SoaringElon Musk is back in the spotlight—this time for fueling a global scramble for silver. 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