Alcoa (AA) Short Interest Ratio & Short Volume $28.74 -0.02 (-0.06%) Closing price 06/11/2025 03:59 PM EasternExtended Trading$28.60 -0.14 (-0.49%) As of 04:26 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Alcoa Short Interest DataAlcoa (AA) has a short interest of 10.23 million shares, representing 3.95% of the float (the number of shares available for trading by the public). This marks a -13.01% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.6, indicating that it would take 1.6 days of the average trading volume of 5.55 million shares to cover all short positions.Current Short Interest10,230,000 sharesPrevious Short Interest11,760,000 sharesChange Vs. Previous Month-13.01%Dollar Volume Sold Short$273.65 millionShort Interest Ratio1.6 Days to CoverLast Record DateMay 31, 2025Outstanding Shares258,902,000 sharesShort Percent of Float3.95%Today's Trading Volume8,172,937 sharesAverage Trading Volume5,552,784 sharesToday's Volume Vs. Average147% Short Selling Alcoa? Sign up to receive the latest short interest report for Alcoa and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAA Short Interest Over TimeAA Days to Cover Over TimeAA Percentage of Float Shorted Over Time Alcoa Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/202510,230,000 shares $273.65 million -13.0%4.0%1.6 $26.75 5/15/202511,760,000 shares $338.22 million -4.0%4.5%1.9 $28.76 4/30/202512,250,000 shares $300.74 million -20.3%N/A2.1 $24.55 4/15/202515,370,000 shares $379.12 million +38.8%5.9%2.6 $24.67 3/31/202511,070,000 shares $337.68 million +3.4%4.3%2 $30.50 3/15/202510,710,000 shares $359.38 million -6.2%4.1%2.2 $33.56 2/28/202511,420,000 shares $379.49 million No Change4.4%2.4 $33.23 2/15/202511,420,000 shares $413.80 million +34.4%4.4%2.5 $36.24 1/31/20258,500,000 shares $300.53 million -6.5%N/A1.8 $35.36 1/15/20259,090,000 shares $347.15 million +10.3%N/A2 $38.19 Get the Latest News and Ratings for AA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alcoa and its competitors with MarketBeat's FREE daily newsletter. 12/31/20248,240,000 shares $311.31 million -1.1%N/A1.8 $37.78 12/15/20248,330,000 shares $325.87 million -1.4%N/A1.7 $39.12 11/30/20248,450,000 shares $392.33 million -4.0%N/A1.7 $46.43 11/15/20248,800,000 shares $387.38 million +0.2%N/A1.7 $44.02 10/31/20248,780,000 shares $351.86 million -5.7%N/A1.7 $40.08 10/15/20249,310,000 shares $384.60 million -6.9%N/A1.6 $41.31 9/30/202410,000,000 shares $385.70 million +3.0%N/A1.6 $38.57 9/15/20249,710,000 shares $315.77 million -14.6%N/A1.6 $32.52 8/31/202411,370,000 shares $364.98 million -12.6%N/A2 $32.10 8/15/202413,010,000 shares $417.62 million -20.1%N/A2.3 $32.10 7/31/202416,290,000 shares $538.06 million +48.6%N/A2.8 $33.03 7/15/202410,960,000 shares $430.84 million -9.4%6.2%2.1 $39.31 6/30/202412,090,000 shares $480.94 million -5.3%6.8%2.2 $39.78 6/15/202412,770,000 shares $483.98 million +2.2%7.2%2.2 $37.90 5/31/202412,500,000 shares $553.50 million +0.2%7.0%2.1 $44.28 5/15/202412,480,000 shares $499.82 million +2.2%7.0%2 $40.05 4/30/202412,210,000 shares $428.94 million -20.8%6.9%1.9 $35.13 4/15/202415,410,000 shares $563.54 million +7.2%8.7%2.4 $36.57 3/31/202414,370,000 shares $485.56 million +9.0%8.1%2.3 $33.79 3/15/202413,180,000 shares $402.06 million +11.3%7.4%2.2 $30.51 2/29/202411,840,000 shares $321.93 million +5.5%6.7%1.8 $27.19 2/15/202411,220,000 shares $307.26 million -4.4%6.3%1.8 $27.39 1/31/202411,740,000 shares $349.15 million +7.5%6.7%2 $29.74 1/15/202410,920,000 shares $327.93 million -6.8%6.2%1.8 $30.03 12/31/202311,710,000 shares $398.14 million -8.4%6.6%2 $34.00 12/15/202312,790,000 shares $397.77 million +14.7%7.2%2.1 $31.10 11/30/202311,150,000 shares $299.49 million -5.7%6.3%2 $26.86 11/15/202311,820,000 shares $318.67 million -10.9%6.7%2.1 $26.96 10/31/202313,270,000 shares $340.51 million +3.8%7.5%2.2 $25.66 10/15/202312,780,000 shares $339.69 million +9.1%7.2%2.1 $26.58The End of Elon Musk…? (Ad)The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, and he's been proven right time and time again. And now, while the media focuses on Tesla's "demise," he's uncovered an AI breakthrough that's about to make Elon's doubters eat their words yet again. According to his research, if you listen to the media and miss out on Elon's newest breakthrough, it's going to cost you the fortune of a lifetime.Click here to see why the "End of Elon" crowd is about to be wrong again. 9/30/202311,710,000 shares $340.29 million +11.3%6.6%2 $29.06 9/15/202310,520,000 shares $303.50 million -12.3%6.0%1.8 $28.85 8/31/202312,000,000 shares $360.84 million +24.0%6.8%2.1 $30.07 8/15/20239,680,000 shares $293.69 million -0.1%5.5%1.8 $30.34 7/31/20239,690,000 shares $350.68 million +6.1%5.5%2 $36.19 7/15/20239,130,000 shares $315.17 million +15.9%5.2%1.9 $34.52 6/30/20237,880,000 shares $267.37 million +17.1%4.5%1.7 $33.93 6/15/20236,730,000 shares $242.15 million +6.8%3.8%1.5 $35.98 5/31/20236,300,000 shares $199.84 million -22.5%3.6%1.3 $31.72 5/15/20238,130,000 shares $300.73 million +39.9%4.6%1.7 $36.99 4/30/20235,810,000 shares $215.78 million -20.0%3.3%1.2 $37.14 4/15/20237,260,000 shares $293.30 million +25.4%4.1%1.4 $40.40 3/31/20235,790,000 shares $246.42 million -24.8%3.3%1.1 $42.56 3/15/20237,700,000 shares $306.23 million +1.1%4.4%1.5 $39.77 2/28/20237,620,000 shares $372.92 million +7.0%4.3%1.6 $48.94 2/15/20237,120,000 shares $344.68 million +4.4%4.1%1.5 $48.41 1/31/20236,820,000 shares $356.28 million -1.3%3.9%1.4 $52.24 1/15/20236,910,000 shares $377.36 million +13.1%3.9%1.2 $54.61 12/30/20226,110,000 shares $277.82 million -6.6%3.5%1 $45.47 12/15/20226,540,000 shares $282.99 million -0.5%3.7%1 $43.27 11/30/20226,570,000 shares $329.35 million -37.8%3.8%0.9 $50.13 11/15/202210,560,000 shares $519.66 million +22.1%6.0%1.4 $49.21 10/31/20228,650,000 shares $337.61 million +6.3%4.9%1.2 $39.03 10/15/20228,140,000 shares $312.17 million -16.5%4.6%1.1 $38.35 9/30/20229,750,000 shares $328.19 million +1.0%5.5%1.5 $33.66 9/15/20229,650,000 shares $416.30 million -11.7%5.4%1.6 $43.14 8/31/202210,930,000 shares $540.82 million +39.8%6.1%1.8 $49.48 8/15/20227,820,000 shares $404.29 million +3.4%4.4%1.3 $51.70 7/31/20227,560,000 shares $384.73 million -19.1%4.2%1.2 $50.89 7/15/20229,340,000 shares $402.18 million -17.5%5.1%1.3 $43.06 6/30/202211,320,000 shares $515.97 million +7.4%6.2%1.6 $45.58 6/15/202210,540,000 shares $538.70 million +21.6%5.8%1.5 $51.11 5/31/20228,670,000 shares $535.11 million +10.3%4.7%1.2 $61.72 5/15/20227,860,000 shares $458.47 million -4.4%4.3%1 $58.33 4/30/20228,220,000 shares $557.32 million +2.6%4.5%1 $67.80 4/15/20228,010,000 shares $703.04 million -10.3%4.4%1 $87.77 3/31/20228,930,000 shares $803.97 million +11.2%4.9%1.1 $90.03 3/15/20228,030,000 shares $591.89 million -14.0%4.4%1 $73.71 2/28/20229,340,000 shares $703.68 million -5.3%5.1%1.1 $75.34 2/15/20229,860,000 shares $730.03 million +1.8%5.4%1.2 $74.04 1/31/20229,690,000 shares $549.52 million -14.5%5.3%1.2 $56.71 1/15/202211,330,000 shares $695.55 million -23.2%6.1%1.4 $61.39 12/31/202114,750,000 shares $878.81 million +32.8%8.0%1.7 $59.58 12/15/202111,110,000 shares $566.28 million +14.2%6.0%1.3 $50.97 11/30/20219,730,000 shares $452.74 million -0.3%5.2%1.2 $46.53 11/15/20219,760,000 shares $494.15 million +17.6%5.3%1.2 $50.63 10/29/20218,300,000 shares $381.39 million -10.2%4.5%1 $45.95 10/15/20219,240,000 shares $517.44 million -1.4%5.0%1.2 $56.00 9/30/20219,370,000 shares $458.57 million -23.2%5.1%1.2 $48.94 9/15/202112,200,000 shares $630.50 million +10.1%6.6%1.5 $51.68Trump wipes out trillions overnight… (Ad)Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out nearly $5 trillion in wealth from the S&P 500 and $6.4 trillion from the Dow Jones… Not to mention the countless trillions of dollars lost in every market around the world… leaving the major political powers scrambling in fear of Trump’s next move.Whether you take some of that wealth for yourself depends on if you watch this controversial exposé 8/31/202111,080,000 shares $491.62 million -10.1%6.0%1.4 $44.37 8/13/202112,320,000 shares $557.48 million +2.6%6.7%1.6 $45.25 7/30/202112,010,000 shares $482.20 million +5.1%6.5%1.6 $40.15 7/15/202111,430,000 shares $394.79 million +10.1%6.2%1.5 $34.54 6/30/202110,380,000 shares $382.40 million +3.8%5.6%1.4 $36.84 6/15/202110,000,000 shares $362.90 million +5.0%5.4%1.5 $36.29 5/28/20219,520,000 shares $377.66 million -6.4%5.2%1.5 $39.67 5/14/202110,170,000 shares $397.95 million +9.4%5.5%1.4 $39.13 4/30/20219,300,000 shares $345.68 million -2.2%5.0%1.4 $37.17 4/15/20219,510,000 shares $317.54 million -3.5%5.2%1.3 $33.39 3/31/20219,850,000 shares $324.75 million -10.3%5.3%1.5 $32.97 3/15/202110,980,000 shares $345.98 million +7.9%5.9%1.7 $31.51 2/26/202110,180,000 shares $260.20 million -1.2%5.5%1.6 $25.56 2/12/202110,300,000 shares $220.32 million -7.6%5.6%1.7 $21.39 1/29/202111,150,000 shares $206.28 million +27.3%6.1%1.9 $18.50 1/15/20218,760,000 shares $219.79 million -0.7%4.7%1.6 $25.09 12/31/20208,820,000 shares $202.42 million -11.2%4.8%1.6 $22.95 12/15/20209,930,000 shares $216.08 million +7.9%5.4%1.7 $21.76 11/30/20209,200,000 shares $188.42 million -5.8%5.0%1.6 $20.48 11/15/20209,770,000 shares $161.89 million -3.0%5.3%1.8 $16.57 10/30/202010,070,000 shares $128.39 million -9.5%5.5%2 $12.75 10/15/202011,130,000 shares $144.69 million -11.6%6.0%2.1 $13.00 9/30/202012,590,000 shares $146.42 million -1.5%6.8%2.2 $11.63 9/15/202012,780,000 shares $176.11 million -2.0%6.9%2 $13.78 8/31/202013,040,000 shares $190.64 million -16.4%7.1%1.9 $14.62 8/14/202015,600,000 shares $228.38 million +25.6%8.5%2 $14.64 7/31/202012,420,000 shares $161.46 million -16.0%6.7%1.4 $13.00 7/15/202014,790,000 shares $186.50 million -10.9%8.0%1.6 $12.61 6/30/202016,590,000 shares $182.32 million +44.5%9.0%1.8 $10.99 6/15/202011,480,000 shares $130.99 million -2.7%6.2%1.2 $11.41 AA Short Interest - Frequently Asked Questions What is Alcoa's current short interest? Short interest is the volume of Alcoa shares that have been sold short but have not yet been closed out or covered. As of May 31st, investors have sold 10,230,000 shares of AA short. 3.95% of Alcoa's shares are currently sold short. Learn More on Alcoa's current short interest. What is a good short interest ratio for Alcoa? 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. AA shares currently have a short interest ratio of 2.0. Learn More on Alcoa's short interest ratio. Which institutional investors are shorting Alcoa? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Alcoa: Quaker Wealth Management LLC, Goldman Sachs Group Inc., Parallax Volatility Advisers L.P., Millennium Management LLC, Cubist Systematic Strategies LLC, Twin Tree Management LP, PEAK6 LLC, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Summit Securities Group LLC, Simplex Trading LLC, Citigroup Inc., and IMC Chicago LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Alcoa? 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. 3.95% of Alcoa's floating shares are currently sold short. Is Alcoa's short interest increasing or decreasing? Alcoa saw a decline in short interest in the month of May. As of May 31st, there was short interest totaling 10,230,000 shares, a decline of 13.0% from the previous total of 11,760,000 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 Alcoa's short interest compare to its competitors? 3.95% of Alcoa's shares are currently sold short. Here is how the short interest of companies in the sector of "industrials" compare to Alcoa: Century Aluminum (12.09%), Kaiser Aluminum Co. (2.80%), Dover Co. (1.88%), Hubbell Incorporated (5.02%), Tenaris S.A. (1.32%), Packaging Co. of America (1.98%), Trimble Inc. (2.40%), CNH GLOBAL N V Foreign (4.97%), Zebra Technologies Co. (1.63%), Ball Co. (3.07%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks. What does it mean to sell short Alcoa stock? Short selling AA is an investing strategy that aims to generate trading profit from Alcoa as its price is falling. AA shares are trading down $0.02 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 Alcoa? A short squeeze for Alcoa 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 AA, which in turn drives the price of the stock up even further. How often is Alcoa'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 AA, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies Century Aluminum Short Interest Kaiser Aluminum Short Interest Dover Short Interest Hubbell Short Interest Tenaris Short Interest Packaging Co. of America Short Interest Trimble Short Interest CNH GLOBAL N V Foreign Short Interest Zebra Technologies Short Interest Ball Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:AA) was last updated on 6/12/2025 by MarketBeat.com Staff From Our PartnersTrump’s Exec Order #14154 could be a “Millionaire-Maker”Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans...Paradigm Press | SponsoredTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out n...Porter & Company | SponsoredElon’s NEXT Big IPO?Cancel your internet TODAY!? Take your latest internet bill and light it on fire… then count the seconds it...Banyan Hill Publishing | Sponsored[No Brainer Gold Play]: “Show me a better investment.”A Historic Gold Announcement Is About to Rock Wall Street? For months, sharp-eyed analysts have watched the...Golden Portfolio | SponsoredMarch 16th -- America’s most important day?50-Year Legend: Here's The Day Stocks Likely Crash Legendary quant analyst Marc Chaikin says in 50 years on...Chaikin Analytics | SponsoredBillionaires are piling into this gold investmentBillionaires Are Piling into a Special Gold Investment With record gold prices, everyday Americans are scra...Weiss Ratings | SponsoredBig Changes Coming to Social Security?According to legendary investor Louis Navellier... This new Trump move could soon not only save Social Secu...InvestorPlace | SponsoredSHOCKING: Musk's Pentagon Secret Mission...It's about a harrowing message discovered on December 16, 2024: "美国军方暗杀名单" It's the reason President Tru...Behind the Markets | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Alcoa Co. Please log in to your account or sign up in order to add this asset to your watchlist. Share Alcoa With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
