Rio Tinto Group (RIO) Short Interest Ratio & Short Volume $59.45 +0.14 (+0.24%) Closing price 06/10/2025 03:59 PM EasternExtended Trading$59.28 -0.17 (-0.29%) As of 05:29 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 ForecastsChartCompetitorsDividendHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Rio Tinto Group Short Interest DataRio Tinto Group (RIO) has a short interest of 7.87 million shares, representing 0.63% of the float (the number of shares available for trading by the public). This marks a 26.32% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.5, indicating that it would take 2.5 days of the average trading volume of 2.92 million shares to cover all short positions.Current Short Interest7,870,000 sharesPrevious Short Interest6,230,000 sharesChange Vs. Previous Month+26.32%Dollar Volume Sold Short$493.53 millionShort Interest Ratio2.5 Days to CoverLast Record DateMay 15, 2025Outstanding Shares1,254,029,000 sharesShort Percent of Float0.63%Today's Trading Volume2,804,471 sharesAverage Trading Volume2,915,433 sharesToday's Volume Vs. Average96% Short Selling Rio Tinto Group? Sign up to receive the latest short interest report for Rio Tinto Group and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartRIO Short Interest Over TimeRIO Days to Cover Over TimeRIO Percentage of Float Shorted Over Time Rio Tinto Group Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/15/20257,870,000 shares $493.53 million +26.3%0.6%2.5 $62.71 4/30/20256,230,000 shares $369.69 million -1.6%N/A2 $59.34 4/15/20256,330,000 shares $361.80 million -15.4%0.5%1.9 $57.16 3/31/20257,480,000 shares $449.60 million -12.8%0.6%2.2 $60.11 3/15/20258,580,000 shares $541.22 million +3.5%0.7%2.8 $63.08 2/28/20258,290,000 shares $501.59 million +9.7%0.7%2.6 $60.51 2/15/20257,560,000 shares $479.12 million -11.5%0.6%2.5 $63.38 1/31/20258,540,000 shares $515.76 million +3.5%N/A2.8 $60.39 1/15/20258,250,000 shares $498.96 million -10.1%N/A2.9 $60.48 12/31/20249,180,000 shares $539.88 million +1.2%N/A3.2 $58.81 Get the Latest News and Ratings for RIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Rio Tinto Group and its competitors with MarketBeat's FREE daily newsletter. 12/15/20249,070,000 shares $564.24 million +21.7%N/A3 $62.21 11/30/20247,450,000 shares $468.16 million -17.1%N/A2.6 $62.84 11/15/20248,990,000 shares $548.21 million -2.8%N/A3.2 $60.98 10/31/20249,250,000 shares $600.23 million -3.0%N/A3.3 $64.89 10/15/20249,540,000 shares $634.12 million +1.8%N/A3.3 $66.47 9/30/20249,370,000 shares $666.82 million +7.2%N/A3.3 $71.17 9/15/20248,740,000 shares $546.69 million -1.9%N/A3.4 $62.55 8/31/20248,910,000 shares $563.74 million +14.4%N/A3.7 $63.27 8/15/20247,790,000 shares $488.82 million +16.1%N/A3.3 $62.75 7/31/20246,710,000 shares $437.16 million -6.4%N/A2.7 $65.15 7/15/20247,170,000 shares $484.26 million -8.8%N/A3 $67.54 6/30/20247,860,000 shares $518.21 million +2.5%N/A3.2 $65.93 6/15/20247,670,000 shares $510.13 million -0.1%N/A2.9 $66.51 5/31/20247,680,000 shares $538.21 million +0.3%N/A2.6 $70.08 5/15/20247,660,000 shares $538.77 million +11.5%N/A2.5 $70.34 4/30/20246,870,000 shares $465.99 million +25.4%N/A2.3 $67.83 4/15/20245,480,000 shares $365.95 million -3.0%N/A1.8 $66.78 3/31/20245,650,000 shares $360.13 million -9.6%N/A1.9 $63.74 3/15/20246,250,000 shares $388.50 million -7.1%N/A2.3 $62.16 2/29/20246,730,000 shares $434.29 million -4.9%N/A2.5 $64.53 2/15/20247,080,000 shares $478.18 million +18.0%N/A2.6 $67.54 1/31/20246,000,000 shares $415.74 million +6.6%N/A2.3 $69.29 1/15/20245,630,000 shares $395.11 million +0.9%N/A2 $70.18 12/31/20235,580,000 shares $415.49 million -10.0%N/A1.9 $74.46 12/15/20236,200,000 shares $449.19 million -5.1%N/A2 $72.45 11/30/20236,530,000 shares $451.16 million -6.2%N/A2.1 $69.09 11/15/20236,960,000 shares $472.34 million -13.4%N/A2.3 $67.87 10/31/20238,040,000 shares $517.29 million -11.3%N/A2.5 $64.34 10/15/20239,060,000 shares $565.16 million -15.3%N/A2.8 $62.38 9/30/202310,700,000 shares $680.95 million -9.3%N/A3.6 $63.64Why July 22nd Could Mean Big Changes for Social Security (Ad)In a stunning move, President Trump has authorized an AI-led transformation of federal agencies, including Social Security — and his plan is set to roll out July 22. What's coming next isn't about trimming waste.To see the full playbook and how it could impact everyone, click here. 9/15/202311,790,000 shares $776.37 million +3.8%N/A4.2 $65.85 8/31/202311,360,000 shares $710 million +24.4%N/A4 $62.50 8/15/20239,130,000 shares $536.20 million +19.7%N/A2.9 $58.73 7/31/20237,630,000 shares $507.85 million +2.3%N/A2.5 $66.56 7/15/20237,460,000 shares $511.23 million +0.8%N/A2.3 $68.53 6/30/20237,400,000 shares $472.38 million +5.7%N/A2.3 $63.84 6/15/20237,000,000 shares $478.45 million -3.9%N/A2.1 $68.35 5/31/20237,280,000 shares $429.81 million +13.8%N/A2 $59.04 5/15/20236,400,000 shares $402.62 million -11.0%N/A1.8 $62.91 4/30/20237,190,000 shares $460.09 million -11.2%N/A2.1 $63.99 4/15/20238,100,000 shares $555.50 million +12.3%N/A2.4 $68.58 3/31/20237,210,000 shares $494.61 million -26.8%N/A2.2 $68.60 3/15/20239,850,000 shares $648.82 million -8.9%N/A3.1 $65.87 2/28/202310,810,000 shares $753.78 million +1.3%N/A3.7 $69.73 2/15/202310,670,000 shares $794.17 million -2.7%N/A3.7 $74.43 1/31/202310,970,000 shares $870.47 million -13.9%N/A3.6 $79.35 1/15/202312,740,000 shares $987.99 million +1.0%N/A3.7 $77.55 12/30/202212,610,000 shares $897.83 million -7.8%N/A3.5 $71.20 12/15/202213,670,000 shares $963.05 million +2.2%N/A3.4 $70.45 11/30/202213,370,000 shares $917.72 million -0.8%N/A3.1 $68.64 11/15/202213,480,000 shares $879.97 million +15.7%N/A3.2 $65.28 10/31/202211,650,000 shares $621.53 million -1.4%N/A2.7 $53.35 10/15/202211,820,000 shares $634.85 million +8.2%N/A3 $53.71 9/30/202210,920,000 shares $601.26 million -26.3%N/A2.8 $55.06 9/15/202214,820,000 shares $820.29 million +6.4%N/A4.1 $55.35 8/31/202213,930,000 shares $784.12 million +1.5%N/A3.9 $56.29 8/15/202213,730,000 shares $803.34 million -10.8%N/A3.9 $58.51 7/31/202215,400,000 shares $939.86 million -2.6%N/A4.5 $61.03 7/15/202215,810,000 shares $876.03 million +8.2%N/A4.4 $55.41 6/30/202214,610,000 shares $891.21 million +11.0%N/A4.1 $61.00 6/15/202213,160,000 shares $914.88 million +1.2%N/A3.9 $69.52 5/31/202213,000,000 shares $954.72 million +8.5%N/A3.4 $73.44 5/15/202211,980,000 shares $788.40 million +15.9%N/A2.7 $65.81 4/30/202210,340,000 shares $735.38 million +7.6%N/A2.3 $71.12 4/15/20229,610,000 shares $786.77 million -12.6%N/A2.1 $81.87 3/31/202211,000,000 shares $884.40 million -6.6%N/A2.2 $80.40 3/15/202211,780,000 shares $813.76 million -10.6%N/A2.4 $69.08 2/28/202213,170,000 shares $1.03 billion -1.1%N/A2.9 $78.58 2/15/202213,320,000 shares $1.03 billion -6.0%N/A3.2 $77.13 1/31/202214,170,000 shares $1.01 billion -3.0%N/A3.5 $71.40 1/15/202214,610,000 shares $1.10 billion +10.4%N/A3.9 $75.40 12/31/202113,230,000 shares $885.62 million -6.2%N/A3.8 $66.94 12/15/202114,110,000 shares $910.80 million +8.7%N/A4 $64.55 11/30/202112,980,000 shares $813.72 million -1.7%N/A3.3 $62.69 11/15/202113,200,000 shares $813.38 million +5.1%N/A3.7 $61.62 10/29/202112,560,000 shares $794.67 million +2.0%N/A3.6 $63.27 10/15/202112,320,000 shares $867.70 million +8.3%N/A3.7 $70.43 9/30/202111,380,000 shares $760.41 million -0.9%N/A3.7 $66.82 9/15/202111,480,000 shares $844.47 million -0.2%N/A4.2 $73.56 8/31/202111,500,000 shares $863.31 million -9.6%N/A5 $75.07Why July 22nd Could Mean Big Changes for Social Security (Ad)In a stunning move, President Trump has authorized an AI-led transformation of federal agencies, including Social Security — and his plan is set to roll out July 22. What's coming next isn't about trimming waste.To see the full playbook and how it could impact everyone, click here. 8/13/202112,720,000 shares $1.01 billion +5.3%N/A5.5 $79.44 7/30/202112,080,000 shares $1.04 billion +8.3%N/A5.2 $86.31 7/15/202111,150,000 shares $961.69 million +6.7%N/A4.8 $86.25 6/30/202110,450,000 shares $876.65 million +2.1%N/A4.3 $83.89 6/15/202110,240,000 shares $884.94 million +7.0%N/A4 $86.42 5/28/20219,570,000 shares $836.71 million -6.3%N/A3.7 $87.43 5/14/202110,210,000 shares $919.10 million -3.5%0.8%3.8 $90.02 4/30/202110,580,000 shares $926.07 million -0.4%0.9%4 $87.53 4/15/202110,620,000 shares $867.87 million +15.4%0.9%4.4 $81.72 3/31/20219,200,000 shares $716.50 million +12.2%0.7%3.9 $77.88 3/15/20218,200,000 shares $666.41 million +2.0%0.7%3.7 $81.27 2/26/20218,040,000 shares $724.65 million +6.2%0.6%3.8 $90.13 2/12/20217,570,000 shares $622.86 million +30.7%0.6%3.8 $82.28 1/29/20215,790,000 shares $454.57 million -20.7%0.5%3 $78.51 1/15/20217,300,000 shares $619.33 million +4.3%0.6%3.7 $84.84 12/31/20207,000,000 shares $531.93 million -8.0%0.6%3.4 $75.99 12/15/20207,610,000 shares $566.11 million -9.3%0.6%3.7 $74.39 11/30/20208,390,000 shares $554.16 million -10.6%0.7%3.9 $66.05 11/15/20209,380,000 shares $586.34 million +0.4%0.8%4.6 $62.51 10/30/20209,340,000 shares $529.11 million -23.4%0.8%4.6 $56.65 10/15/202012,190,000 shares $743.59 million -3.3%1.0%6.1 $61.00 9/30/202012,610,000 shares $761.52 million +4.0%1.0%6 $60.39 9/15/202012,120,000 shares $793.01 million -0.5%1.0%6 $65.43 8/31/202012,180,000 shares $745.78 million +5.5%1.0%6 $61.23 8/14/202011,550,000 shares $711.36 million +20.9%0.9%5.4 $61.59 7/31/20209,550,000 shares $582.93 million +6.0%0.8%4.2 $61.04 7/15/20209,010,000 shares $548.44 million +21.1%0.7%4.1 $60.87 6/30/20207,440,000 shares $417.98 million +1.0%0.6%3.3 $56.18 6/15/20207,370,000 shares $420.75 million +14.3%0.6%2.9 $57.09 RIO Short Interest - Frequently Asked Questions What is Rio Tinto Group's current short interest? Short interest is the volume of Rio Tinto Group shares that have been sold short but have not yet been closed out or covered. As of May 15th, traders have sold 7,870,000 shares of RIO short. 0.63% of Rio Tinto Group's shares are currently sold short. Learn More on Rio Tinto Group's current short interest. What is a good short interest ratio for Rio Tinto Group? 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. RIO shares currently have a short interest ratio of 2.0. Learn More on Rio Tinto Group's short interest ratio. Which institutional investors are shorting Rio Tinto Group? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Rio Tinto Group: Bluefin Capital Management LLC, Jane Street Group LLC, Goldman Sachs Group Inc., Millennium Management LLC, BNP Paribas Financial Markets, PEAK6 LLC, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Garda Capital Partners LP, Hsbc Holdings PLC, Simplex Trading LLC, Citigroup Inc., Portman Square Capital LLP, Fulcrum Asset Management LLP, 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 Rio Tinto Group? 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. 0.63% of Rio Tinto Group's floating shares are currently sold short. Is Rio Tinto Group's short interest increasing or decreasing? Rio Tinto Group saw a increase in short interest in the month of May. As of May 15th, there was short interest totaling 7,870,000 shares, an increase of 26.3% from the previous total of 6,230,000 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 Rio Tinto Group's short interest compare to its competitors? 0.63% of Rio Tinto Group's shares are currently sold short. Here is how the short interest of companies compare to Rio Tinto Group: Compañía de Minas Buenaventura S.A.A. (1.94%), BHP Group Limited (0.60%), Southern Copper Co. (9.93%), Freeport-McMoRan Inc. (2.04%), Vale S.A. (1.96%), New Gold Inc. (1.89%), Hudbay Minerals Inc. (2.05%), Cleveland-Cliffs Inc. (13.86%), MP Materials Corp. (22.51%), TMC the metals company Inc. (9.63%), 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 Rio Tinto Group stock? Short selling RIO is an investing strategy that aims to generate trading profit from Rio Tinto Group as its price is falling. RIO shares are trading up $0.14 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 Rio Tinto Group? A short squeeze for Rio Tinto Group 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 RIO, which in turn drives the price of the stock up even further. How often is Rio Tinto Group'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 RIO, twice per month. The most recent reporting period available is May, 15 2025. More Short Interest Resources from MarketBeat Related Companies BVN Short Interest Data BHP Short Interest Data SCCO Short Interest Data FCX Short Interest Data VALE Short Interest Data NGD Short Interest Data HBM Short Interest Data CLF Short Interest Data MP Short Interest Data TMC 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 (NYSE:RIO) was last updated on 6/11/2025 by MarketBeat.com Staff From Our PartnersTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? 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