iShares Environmental Infrastructure and Industrials ETF (EFRA) Short Interest Ratio & Short Volume $34.62 0.00 (-0.01%) As of 05/22/2026 Add Compare Share Share Short Interest Stock AnalysisChartDividendHoldingsRatingsShort InterestTrendsBuy This Stock iShares Environmental Infrastructure and Industrials ETF Short Interest OverviewAs of April 30, 2026, iShares Environmental Infrastructure and Industrials ETF (EFRA) had a short interest of 3,655 shares sold short, representing 2.28% of the public float. This marks a 128.58% increase in short interest since the prior report. The short interest ratio (days to cover) is 4.2, meaning it would take 4.2 days of the average trading volume of 666 shares to cover all short positions.Current Short Interest3,655 sharesPrevious Short Interest1,599 sharesChange Vs. Previous Month128.58%Dollar Volume Sold Short$130.52 thousandShort Interest Ratio4.2 Days to CoverLast Record DateApril 30, 2026Outstanding Shares160,000 sharesShort Percent of Float2.28%Today's Trading Volume64 sharesAverage Trading Volume666 sharesToday's Volume Vs. Average10% Short Selling iShares Environmental Infrastructure and Industrials ETF? Sign up to receive the latest short interest report for iShares Environmental Infrastructure and Industrials ETF and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartEFRA Short Interest Over TimeEFRA Days to Cover Over TimeEFRA Percentage of Float Shorted Over Time iShares Environmental Infrastructure and Industrials ETF Tesla Short Interest History & Recent Changes ExportReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20263,655 shares $130.52 thousand +128.6%2.3%4.16 $35.71 4/15/20261,599 shares $58.33 thousand -0.5%1.0%5.4 $36.48 3/31/20261,607 shares $55.20 thousand +39.6%1.0%3.39 $34.35 3/13/20261,151 shares $39.51 thousand +34.9%0.7%2.36 $34.33 2/27/2026853 shares $31.99 thousand +94.3%0.5%1.15 $37.50 2/13/2026439 shares $16.28 thousand -91.1%0.3%0.24 $37.09 1/30/20264,939 shares $173.53 thousand +1,268.1%3.1%4.77 $35.13 1/15/2026361 shares $12.62 thousand +120.1%0.2%0.79 $34.95 12/31/2025164 shares $5.45 thousand -84.0%0.1%0.26 $33.26 12/15/20251,024 shares $35.24 thousand +465.8%0.6%3.1 $34.41 Get the Latest News and Ratings for EFRA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for iShares Environmental Infrastructure and Industrials ETF and its competitors with MarketBeat's FREE daily newsletter. 11/28/2025181 shares $6.15 thousand -45.8%0.1%0.12 $33.98 11/14/2025334 shares $11.25 thousand No Change0.2%0.51 $33.69 10/31/2025334 shares $11.23 thousand +32.5%0.2%0.57 $33.62 10/15/2025300 shares $10.32 thousand No Change0.2%1.5 $34.40 9/30/2025300 shares $10.30 thousand No ChangeN/A1.4 $34.34 9/15/2025300 shares $10.29 thousand No ChangeN/A1.5 $34.31 8/31/2025300 shares $10.36 thousand No Change0.2%1 $34.55 6/15/2024100 shares $3.04 thousand -83.3%N/A0 $30.44 5/31/2024600 shares $19.05 thousand +100.0%N/A1.5 $31.75 5/15/2024300 shares $9.72 thousand -80.0%N/A1 $32.40 4/30/20241,500 shares $45.21 thousand +15.4%N/A3.8 $30.14 4/15/20241,300 shares $38.65 thousand -13.3%N/A3.3 $29.73 3/31/20241,500 shares $46.34 thousand +275.0%N/A3 $30.89 3/15/2024400 shares $12.02 thousand +33.3%N/A1 $30.04 2/29/2024300 shares $8.85 thousand No ChangeN/A0.8 $29.51 2/15/2024300 shares $8.83 thousand No ChangeN/A0.8 $29.44 1/31/2024300 shares $8.52 thousand -25.0%N/A1.5 $28.39 1/15/2024400 shares $11.50 thousand +33.3%N/A4 $28.75 12/31/2023300 shares $8.76 thousand +50.0%N/A0.3 $29.21 12/15/2023200 shares $5.77 thousand No ChangeN/A0.2 $28.83 11/30/2023200 shares $5.51 thousand No ChangeN/A0.2 $27.54 11/15/2023200 shares $5.41 thousand No ChangeN/A0.2 $27.07 10/31/2023200 shares $5.02 thousand -33.3%N/A0.2 $25.08 10/15/2023300 shares $7.65 thousand +50.0%N/A0.3 $25.50 9/30/2023200 shares $5.20 thousand -75.0%N/A1 $26.01 9/15/2023800 shares $21.78 thousand No ChangeN/A4 $27.23 8/31/2023800 shares $22.28 thousand -11.1%N/A3.8 $27.85 8/15/2023900 shares $25.07 thousand +12.5%N/A1.5 $27.86 7/31/2023800 shares $23.34 thousand +33.3%N/A1.3 $29.17 7/15/2023600 shares $17.18 thousand -25.0%N/A1 $28.63Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.Get the name and ticker of Louis Navellier's #1 AI stock free 6/30/2023800 shares $22.52 thousand +33.3%N/A1.3 $28.15 6/15/2023600 shares $17.09 thousand -90.6%N/A1.2 $28.48 5/31/20236,400 shares $171.20 thousand +255.6%N/A12.8 $26.75 5/15/20231,800 shares $49.91 thousand No ChangeN/A3.6 $27.73 EFRA Short Interest - Frequently Asked Questions What is iShares Environmental Infrastructure and Industrials ETF's current short interest? Short interest is the volume of iShares Environmental Infrastructure and Industrials ETF shares that have been sold short but have not yet been closed out or covered. As of April 30th, traders have sold 3,655 shares of EFRA short. 2.28% of iShares Environmental Infrastructure and Industrials ETF's shares are currently sold short. Learn More on iShares Environmental Infrastructure and Industrials ETF's current short interest. What is a good short interest ratio for iShares Environmental Infrastructure and Industrials 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. EFRA shares currently have a short interest ratio of 4.2. Learn More on iShares Environmental Infrastructure and Industrials ETF's short interest ratio. What is a good short interest percentage for iShares Environmental Infrastructure and Industrials ETF? 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. 2.28% of iShares Environmental Infrastructure and Industrials ETF's floating shares are currently sold short. Is iShares Environmental Infrastructure and Industrials ETF's short interest increasing or decreasing? iShares Environmental Infrastructure and Industrials ETF saw a increase in short interest during the month of April. As of April 30th, there was short interest totaling 3,655 shares, an increase of 128.6% from the previous total of 1,599 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 Environmental Infrastructure and Industrials ETF's short interest compare to its competitors? 2.28% of iShares Environmental Infrastructure and Industrials ETF's shares are currently sold short. Here is how the short interest of companies compare to iShares Environmental Infrastructure and Industrials ETF: First Trust Indxx Metaverse ETF (0.82%), YieldMax Dorsey Wright Hybrid 5 Income ETF (13.03%), ProShares Ultra Nasdaq Cybersecurity ETF (8.64%), Invesco Electric Vehicle Metals Commodity Strategy No K-1 ETF (4.29%), First Trust S-Network E-Commerce ETF (0.00%), Pacer BlueStar Engineering the Future ETF (1.32%), iShares Breakthrough Environmental Solutions ETF (2.52%), Xtrackers US Green Infrastructure Select Equity ETF (0.07%), Pacer BlueStar Digital Entertainment ETF (0.19%), iShares ESG MSCI USA Min Vol Factor ETF (0.55%), Which stocks are the most shorted right now? 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. What does it mean to sell short iShares Environmental Infrastructure and Industrials ETF stock? Short selling EFRA is an investing strategy that aims to generate trading profit from iShares Environmental Infrastructure and Industrials ETF as its price is falling. EFRA shares are trading down $0.00 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 Environmental Infrastructure and Industrials ETF? A short squeeze for iShares Environmental Infrastructure and Industrials 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 EFRA, which in turn drives the price of the stock up even further. How often is iShares Environmental Infrastructure and Industrials 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 EFRA, twice per month. The most recent reporting period available is April, 30 2026. What do EFRA's short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like EFRA:Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity. More Short Interest Resources from MarketBeat Related Companies ARVR Short Interest Data FIVY Short Interest Data UCYB Short Interest Data EVMT Short Interest Data ISHP Short Interest Data BULD Short Interest Data ETEC Short Interest Data UPGR Short Interest Data ODDS Short Interest Data ESMV Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:EFRA) was last updated on 5/25/2026 by MarketBeat.com Staff. 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