Alcoa (AA) Short Interest Ratio & Short Volume $28.79 -0.62 (-2.11%) As of 03:59 PM Eastern 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 12.25 million shares. This marks a -20.30% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.1, indicating that it would take 2.1 days of the average trading volume of 5.51 million shares to cover all short positions.Current Short Interest12,250,000 sharesPrevious Short Interest15,370,000 sharesChange Vs. Previous Month-20.30%Dollar Volume Sold Short$300.74 millionShort Interest Ratio2.1 Days to CoverLast Record DateApril 30, 2025Outstanding Shares258,902,000 sharesPercentage of Shares Shorted4.73%Today's Trading Volume4,355,296 sharesAverage Trading Volume5,511,471 sharesToday's Volume Vs. Average79% 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 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 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 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. 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 $26.58 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 $28.85Think NVDA’s run was epic? You ain’t seen nothin’ yet (Ad)Ask most investors and they’ll probably tell you Nvidia is the undisputed AI stock of the decade. In 2023, it surged 239%. And in 2024, it soared another 171% on the year… But what if I told you there was a way to target those types of “peak Nvidia” profit opportunities in 24 hours or less?Click to find out what Nvidia’s CEO might reveal… and how Sykes is preparing to ride the wave. 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 $51.68 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 $45.25Think NVDA’s run was epic? You ain’t seen nothin’ yet (Ad)Ask most investors and they’ll probably tell you Nvidia is the undisputed AI stock of the decade. In 2023, it surged 239%. And in 2024, it soared another 171% on the year… But what if I told you there was a way to target those types of “peak Nvidia” profit opportunities in 24 hours or less?Click to find out what Nvidia’s CEO might reveal… and how Sykes is preparing to ride the wave. 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 5/29/202011,800,000 shares $108.68 million +6.8%6.4%1.2 $9.21 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 covered or closed out. As of April 30th, traders have sold 12,250,000 shares of AA 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: 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. Is Alcoa's short interest increasing or decreasing? Alcoa saw a decrease in short interest during the month of April. As of April 30th, there was short interest totaling 12,250,000 shares, a decrease of 20.3% from the previous total of 15,370,000 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? Here is how the short interest of companies in the sector of "industrials" compare to Alcoa: Century Aluminum (10.09%), Kaiser Aluminum Co. (2.79%), Dover Co. (1.76%), Hubbell Incorporated (4.35%), Tenaris S.A. (1.25%), Trimble Inc. (1.92%), Packaging Co. of America (1.84%), CNH GLOBAL N V Foreign (7.05%), Zebra Technologies Co. (1.46%), Ball Co. (1.83%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 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 $0.62 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 April, 30 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 Trimble Short Interest Packaging Co. of America 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 5/20/2025 by MarketBeat.com Staff From Our PartnersThink NVDA’s run was epic? You ain’t seen nothin’ yetAsk most investors and they’ll probably tell you Nvidia is the undisputed AI stock of the decade. In 2023, ...Timothy Sykes | SponsoredPrepare now for May 31 eventPrepare now for May 31 event Circle May 31 on your calendar This man grew up in a trailer in New Mexico. 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