BlackBerry (BB) Short Interest Ratio & Short Volume $3.80 -0.05 (-1.17%) As of 03:08 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock BlackBerry Short Interest DataBlackBerry (BB) has a short interest of 35.93 million shares, representing 6.06% of the float (the number of shares available for trading by the public). This marks a -1.32% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.6, indicating that it would take 2.6 days of the average trading volume of 17.07 million shares to cover all short positions.Current Short Interest35,930,000 sharesPrevious Short Interest36,410,000 sharesChange Vs. Previous Month-1.32%Dollar Volume Sold Short$132.40 millionShort Interest Ratio2.6 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares592,999,000 sharesFloat Size593,270,000 sharesShort Percent of Float6.06%Today's Trading Volume3,319,074 sharesAverage Trading Volume17,072,438 sharesToday's Volume Vs. Average19% Short Selling BlackBerry? Sign up to receive the latest short interest report for BlackBerry and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartBB Short Interest Over TimeBB Days to Cover Over TimeBB Percentage of Float Shorted Over Time BlackBerry Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/202535,930,000 shares $132.40 million -1.3%6.1%2.6 $3.69 7/15/202536,410,000 shares $148.37 million -10.0%6.1%2.6 $4.08 6/30/202540,450,000 shares $185.67 million +13.2%6.8%2.6 $4.59 6/15/202535,740,000 shares $145.75 million +4.4%6.0%2.4 $4.08 5/31/202534,250,000 shares $135.63 million -2.9%5.8%2.5 $3.96 5/15/202535,270,000 shares $136.85 million +11.8%6.0%1.9 $3.88 4/30/202531,560,000 shares $107.30 million +0.3%5.4%1.4 $3.40 4/15/202531,470,000 shares $101.49 million -4.2%5.4%1.4 $3.23 3/31/202532,860,000 shares $123.72 million -5.0%5.6%1.4 $3.77 3/15/202534,590,000 shares $156.52 million -8.2%6.0%1.4 $4.53 Get the Latest News and Ratings for BB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for BlackBerry and its competitors with MarketBeat's FREE daily newsletter. 2/28/202537,660,000 shares $177.57 million +6.8%6.5%1.5 $4.72 2/15/202535,280,000 shares $200.21 million +23.0%6.1%1.6 $5.68 1/31/202528,690,000 shares $126.95 million -6.1%4.9%1.6 $4.43 1/15/202530,540,000 shares $126.44 million +3.5%5.3%2.1 $4.14 12/31/202429,500,000 shares $111.51 million +7.1%5.1%2.3 $3.78 12/15/202427,540,000 shares $74.08 million +4.8%4.7%2.3 $2.69 11/30/202426,270,000 shares $67.51 million +5.8%4.5%2.6 $2.57 11/15/202424,830,000 shares $58.72 million -8.0%4.3%2.9 $2.37 10/31/202426,980,000 shares $60.97 million +2.6%4.7%3.6 $2.26 10/15/202426,300,000 shares $65.49 million -13.1%4.5%4 $2.49 9/30/202430,280,000 shares $79.64 million +2.7%5.2%4.8 $2.63 9/15/202429,490,000 shares $73.14 million +1.0%5.1%5 $2.48 8/31/202429,210,000 shares $68.64 million -7.2%5.0%3.9 $2.35 8/15/202431,470,000 shares $73.33 million -0.5%5.4%3.8 $2.33 7/31/202431,620,000 shares $76.36 million -3.4%5.5%3 $2.42 7/15/202432,720,000 shares $81.96 million +0.0%5.6%3.1 $2.51 6/30/202432,710,000 shares $81.12 million -37.1%5.6%3 $2.48 6/15/202451,990,000 shares $121.66 million +26.1%9.0%4.7 $2.34 5/31/202441,220,000 shares $115.42 million -2.2%7.1%3.7 $2.80 5/15/202442,130,000 shares $136.08 million -1.1%7.3%4 $3.23 4/30/202442,590,000 shares $119.04 million -3.7%7.4%5 $2.80 4/15/202444,210,000 shares $121.58 million -7.7%7.6%4.3 $2.75 3/31/202447,870,000 shares $132.12 million +10.6%8.3%4.8 $2.76 3/15/202443,290,000 shares $123.38 million -6.7%7.5%4.6 $2.85 2/29/202446,380,000 shares $129.63 million -0.8%8.1%5.6 $2.80 2/15/202446,760,000 shares $133.73 million +4.4%8.1%6.1 $2.86 1/31/202444,780,000 shares $125.16 million +20.4%7.8%6.2 $2.80 1/15/202437,190,000 shares $126.45 million +19.6%6.5%6 $3.40 12/31/202331,100,000 shares $110.09 million +38.7%5.4%5.9 $3.54 12/15/202322,420,000 shares $98.09 million +4.3%3.9%4.1 $4.38Why More Investors Are Using Family Trusts to Protect Their Wealth (Ad)For many investors, a family trust can be an essential tool for protecting assets, avoiding probate, and ensuring wealth is passed on according to your wishes. Trusts may also provide shielding from creditors and lawsuits while offering potential tax advantages—especially with estate tax thresholds set to decrease in 2026. If you’re considering whether a family trust is right for you, speaking with a fiduciary financial advisor can help you decide the best path forward. We’ve created a free tool that matches you with vetted advisors in your area—each legally bound to act in your best interest.Click here to get your free advisor matches and start planning your legacy today. 11/30/202321,500,000 shares $79.01 million -13.3%3.8%3.9 $3.68 11/15/202324,800,000 shares $91.02 million +0.9%4.3%3.9 $3.67 10/31/202324,580,000 shares $88.00 million +0.0%4.3%3.9 $3.58 10/15/202324,570,000 shares $85.26 million -4.7%4.3%4 $3.47 9/30/202325,780,000 shares $121.42 million +68.9%4.5%4.2 $4.71 9/15/202315,260,000 shares $82.40 million -1.2%2.7%2.4 $5.40 8/31/202315,440,000 shares $85.85 million +8.4%2.7%2.7 $5.56 8/15/202314,250,000 shares $63.84 million -10.7%2.5%3.1 $4.48 7/31/202315,960,000 shares $81.32 million -2.0%2.8%3.2 $5.10 7/15/202316,290,000 shares $79.33 million +11.4%2.8%3.3 $4.87 6/30/202314,620,000 shares $80.85 million -3.3%2.6%3 $5.53 6/15/202315,120,000 shares $78.02 million -5.0%2.6%3.2 $5.16 5/31/202315,920,000 shares $85.17 million -8.5%2.8%3.3 $5.35 5/15/202317,400,000 shares $89.44 million -4.9%3.0%3.3 $5.14 4/30/202318,290,000 shares $71.51 million -0.1%3.2%3.3 $3.91 4/15/202318,300,000 shares $82.53 million -14.2%3.2%3.1 $4.51 3/31/202321,330,000 shares $97.26 million +2.2%3.7%3.4 $4.56 3/15/202320,880,000 shares $77.26 million -15.5%3.7%3 $3.70 2/28/202324,720,000 shares $95.91 million +10.7%4.3%3.6 $3.88 2/15/202322,340,000 shares $97.63 million -11.6%3.9%3.3 $4.37 1/31/202325,260,000 shares $107.36 million -9.8%4.4%3.4 $4.25 1/15/202327,990,000 shares $106.64 million -8.1%4.9%4.1 $3.81 12/30/202230,470,000 shares $99.33 million +6.6%5.3%4.3 $3.26 12/15/202228,580,000 shares $121.75 million -20.2%5.0%4.2 $4.26 11/30/202235,820,000 shares $174.44 million -18.7%6.3%5.7 $4.87 11/15/202244,070,000 shares $213.30 million +18.7%7.8%7.2 $4.84 10/31/202237,140,000 shares $173.07 million -0.8%6.5%6.4 $4.66 10/15/202237,450,000 shares $149.05 million +10.7%6.6%6.3 $3.98 9/30/202233,820,000 shares $158.95 million +2.4%5.9%6 $4.70 9/15/202233,030,000 shares $199.83 million -0.4%5.8%5.5 $6.05 8/31/202233,150,000 shares $196.91 million +0.3%5.8%5.2 $5.94 8/15/202233,040,000 shares $226.65 million -0.4%5.8%4.3 $6.86 7/31/202233,160,000 shares $203.27 million +1.8%5.8%3.8 $6.13 7/15/202232,560,000 shares $187.22 million -4.0%5.7%3.7 $5.75 6/30/202233,930,000 shares $182.88 million -6.4%6.0%3.9 $5.39 6/15/202236,240,000 shares $196.78 million +3.4%6.4%3.9 $5.43 5/31/202235,040,000 shares $211.99 million -11.2%6.2%3.8 $6.05 5/15/202239,460,000 shares $230.05 million -4.3%7.0%4.8 $5.83 4/30/202241,250,000 shares $235.95 million +10.6%7.3%5.5 $5.72 4/15/202237,290,000 shares $249.10 million +3.6%6.6%4.5 $6.68 3/31/202235,980,000 shares $268.41 million -5.4%6.3%4.2 $7.46 3/15/202238,030,000 shares $231.60 million +13.1%N/A4.5 $6.09 2/28/202233,620,000 shares $230.97 million -3.8%6.0%3.9 $6.87 2/15/202234,960,000 shares $251.36 million +1.1%6.2%4 $7.19 1/31/202234,590,000 shares $284.68 million +1.9%6.1%4 $8.23 1/15/202233,960,000 shares $307.00 million -0.1%6.0%4.1 $9.04 12/31/202134,000,000 shares $317.90 million -5.6%6.0%3.7 $9.35 12/15/202136,020,000 shares $321.66 million -0.6%6.4%3.9 $8.93 11/30/202136,230,000 shares $344.91 million +5.7%6.5%4 $9.52 11/15/202134,270,000 shares $370.80 million -9.6%6.1%3.5 $10.82Why More Investors Are Using Family Trusts to Protect Their Wealth (Ad)For many investors, a family trust can be an essential tool for protecting assets, avoiding probate, and ensuring wealth is passed on according to your wishes. Trusts may also provide shielding from creditors and lawsuits while offering potential tax advantages—especially with estate tax thresholds set to decrease in 2026. If you’re considering whether a family trust is right for you, speaking with a fiduciary financial advisor can help you decide the best path forward. We’ve created a free tool that matches you with vetted advisors in your area—each legally bound to act in your best interest.Click here to get your free advisor matches and start planning your legacy today. 10/29/202137,900,000 shares $409.32 million -4.5%6.8%3.8 $10.80 10/15/202139,680,000 shares $410.29 million -1.2%7.1%4 $10.34 9/30/202140,180,000 shares $390.95 million +2.7%7.2%4.4 $9.73 9/15/202139,110,000 shares $396.18 million +6.2%8.6%3.6 $10.13 8/31/202136,820,000 shares $420.12 million +0.1%8.1%2.4 $11.41 8/13/202136,790,000 shares $363.49 million No ChangeN/A0.9 $9.88 7/15/202137,060,000 shares $391.72 million No Change6.6%0.9 $10.57 6/30/202137,060,000 shares $452.87 million -1.8%6.6%0.9 $12.22 6/15/202137,730,000 shares $527.84 million -19.7%6.8%0.9 $13.99 5/28/202146,970,000 shares $472.99 million -6.5%8.4%1.2 $10.07 5/14/202150,230,000 shares $398.83 million +3.6%9.0%3.8 $7.94 4/30/202148,480,000 shares $439.23 million +8.9%8.7%3 $9.06 4/15/202144,500,000 shares $400.50 million +11.1%8.0%1.1 $9.00 3/31/202140,040,000 shares $373.97 million +6.3%7.2%0.8 $9.34 3/15/202137,660,000 shares $446.27 million -12.5%6.8%0.8 $11.85 2/26/202143,030,000 shares $455.26 million +33.0%7.8%0.9 $10.58 2/12/202132,350,000 shares $403.08 million +58.5%5.8%0.6 $12.46 1/29/202120,410,000 shares $299.01 million -53.1%3.7%0.4 $14.65 1/15/202143,490,000 shares $396.19 million +9.9%7.9%1 $9.11 12/31/202039,560,000 shares $263.87 million +14.4%7.2%2.3 $6.67 12/15/202034,570,000 shares $285.20 million +16.8%6.3%2.1 $8.25 11/30/202029,600,000 shares $182.04 million +0.2%5.4%2.1 $6.15 11/15/202029,550,000 shares $151.00 million -6.7%5.4%6.7 $5.11 10/30/202031,670,000 shares $146.00 million +4.0%5.8%7.9 $4.61 10/15/202030,450,000 shares $154.69 million +13.6%5.5%7.5 $5.08 9/30/202026,810,000 shares $123.06 million +7.7%4.9%7.1 $4.59 9/15/202024,890,000 shares $119.72 million +1.9%4.5%6.5 $4.81 8/31/202024,420,000 shares $127.47 million -12.0%4.4%6.3 $5.22 BB Short Interest - Frequently Asked Questions What is BlackBerry's current short interest? Short interest is the volume of BlackBerry shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 35,930,000 shares of BB short. 6.06% of BlackBerry's shares are currently sold short. Learn More on BlackBerry's current short interest. What is a good short interest ratio for BlackBerry? 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. BB shares currently have a short interest ratio of 3.0. Learn More on BlackBerry's short interest ratio. Which institutional investors are shorting BlackBerry? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of BlackBerry: Group One Trading LLC, Jane Street Group LLC, Walleye Capital LLC, Walleye Trading LLC, Simplex Trading LLC, Bank of Montreal Can, and Wolverine Asset Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for BlackBerry? 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. 6.06% of BlackBerry's floating shares are currently sold short. Is BlackBerry's short interest increasing or decreasing? BlackBerry saw a decrease in short interest in the month of July. As of July 31st, there was short interest totaling 35,930,000 shares, a decrease of 1.3% from the previous total of 36,410,000 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. What is BlackBerry's float size? BlackBerry currently has issued a total of 593,000,000 shares. Some of BlackBerry's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. BlackBerry currently has a public float of 593,270,000 shares. How does BlackBerry's short interest compare to its competitors? 6.06% of BlackBerry's shares are currently sold short. Here is how the short interest of companies compare to BlackBerry: Clover Health Investments, Corp. (10.62%), AMC Entertainment Holdings, Inc. (10.65%), United States Cellular Corporation (9.99%), Telephone and Data Systems, Inc. (7.03%), Shenandoah Telecommunications Co (4.33%), Spok Holdings, Inc. (0.84%), Crown Castle Inc. (1.08%), SBA Communications Corporation (1.74%), Strategy Inc (8.93%), Lattice Semiconductor Corporation (8.48%), and 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short BlackBerry stock? Short selling BB is an investing strategy that aims to generate trading profit from BlackBerry as its price is falling. BB shares are trading up $0.05 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 BlackBerry? A short squeeze for BlackBerry occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of BB, which in turn drives the price of the stock up even further. How often is BlackBerry'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 BB, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies CLOV Short Interest Data AMC Short Interest Data USM Short Interest Data TDS Short Interest Data SHEN Short Interest Data SPOK Short Interest Data CCI Short Interest Data SBAC Short Interest Data DAVEW Short Interest Data GRABW 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:BB) was last updated on 8/28/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredEveryone’s watching Nvidia right now. 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