Notice: This company has been marked as potentially delisted and may not be actively trading. ARCA biopharma (ABIO) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisDividendEarningsHeadlinesInsider TradesOwnershipShort InterestTrends ARCA biopharma Short Interest DataARCA biopharma (ABIO) has a short interest of 4.99 million shares, representing 37.10% of the float (the number of shares available for trading by the public). This marks a 13.41% increase in short interest from the previous month. The short interest ratio (days to cover) is 50.3, indicating that it would take 50.3 days of the average trading volume of 607,995 shares to cover all short positions.Current Short Interest4,990,000 sharesPrevious Short Interest4,400,000 sharesChange Vs. Previous Month+13.41%Dollar Volume Sold Short$14.32 millionShort Interest Ratio50.3 Days to CoverLast Record DateAugust 15, 2024Outstanding Shares14,507,000 sharesFloat Size13,450,000 sharesShort Percent of Float37.10%Today's Trading Volume290,800 sharesAverage Trading Volume607,995 sharesToday's Volume Vs. Average48% Short Selling ARCA biopharma? Sign up to receive the latest short interest report for ARCA biopharma and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartABIO Short Interest Over TimeABIO Days to Cover Over TimeABIO Percentage of Float Shorted Over Time Ad DTIEver heard of this 8-day bitcoin profit window? Did you know Bitcoin almost always soars higher during an 8-Day Profit Window? 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ARCA biopharma Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/15/20244,990,000 shares $14.32 million +13.4%37.1%50.3 $2.87 7/31/20244,400,000 shares $13.20 million +4.0%32.4%49.8 $3.00 7/15/20244,230,000 shares $14.72 million +1.2%31.2%38 $3.48 6/30/20244,180,000 shares $16.01 million +1.0%30.8%30.9 $3.83 6/15/20244,140,000 shares $13.70 million No Change30.5%2.9 $3.31 5/31/20244,140,000 shares $15.32 million +1.0%30.5%2.9 $3.70 Get the Latest News and Ratings for ABIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ARCA biopharma and its competitors with MarketBeat's FREE daily newsletter. 5/15/20244,100,000 shares $15.25 million No Change30.2%2.9 $3.72 4/30/20244,100,000 shares $14.31 million -27.6%30.2%2.9 $3.49 4/15/20245,660,000 shares $18.00 million +2,792.2%39.6%4.1 $3.18 3/31/2024195,700 shares $344,432.00 +6.6%1.4%0.1 $1.76 3/15/2024183,600 shares $310,284.00 +0.7%1.3%6.3 $1.69 2/29/2024182,300 shares $297,149.00 -1.9%1.3%6.9 $1.63 2/15/2024185,900 shares $306,735.00 -1.2%1.3%7.2 $1.65 1/31/2024188,100 shares $299,079.00 -3.3%1.3%7.5 $1.59 1/15/2024194,600 shares $317,198.00 -0.4%1.4%7.7 $1.63 12/31/2023195,400 shares $332,180.00 -7.9%1.4%8 $1.70 12/15/2023212,200 shares $371,350.00 +3.9%1.5%9.1 $1.75 11/30/2023204,300 shares $371,826.00 -4.7%1.4%9.5 $1.82 11/15/2023214,400 shares $375,200.00 -2.6%1.5%9.4 $1.75 10/31/2023220,100 shares $391,778.00 -9.8%1.6%9.6 $1.78 10/15/2023243,900 shares $496,336.50 +3.8%1.7%11.6 $2.04 9/30/2023234,900 shares $472,149.00 -11.4%1.7%11.9 $2.01 9/15/2023265,000 shares $543,250.00 +9.5%1.9%12.9 $2.05 8/31/2023242,000 shares $496,100.00 -7.0%1.7%10.5 $2.05 8/15/2023260,300 shares $531,012.00 +2.4%1.8%10.6 $2.04 7/31/2023254,300 shares $518,772.00 -4.0%1.8%10.2 $2.04 7/15/2023264,800 shares $534,896.00 -2.9%1.9%9.9 $2.02 6/30/2023272,700 shares $553,581.00 -1.2%1.9%10.6 $2.03 6/15/2023276,100 shares $579,810.00 +1.3%1.9%10 $2.10 5/31/2023272,600 shares $575,186.00 +0.6%1.9%10.6 $2.11 5/15/2023270,900 shares $560,763.00 +1.6%1.9%11.1 $2.07 4/30/2023266,600 shares $533,200.00 +8.7%1.9%11.1 $2.00 4/15/2023245,200 shares $490,890.40 -12.6%1.7%10.2 $2.00 3/31/2023280,400 shares $557,996.00 +23.9%2.0%9.7 $1.99 3/15/2023226,300 shares $491,071.00 -7.1%1.6%5.8 $2.17 2/28/2023243,500 shares $535,700.00 -2.2%1.7%6.3 $2.20 2/15/2023248,900 shares $522,690.00 -3.8%1.8%6.6 $2.10 1/31/2023258,600 shares $568,920.00 -9.0%1.8%6.7 $2.20 1/15/2023284,300 shares $666,683.50 -51.1%2.0%7.4 $2.35 12/30/2022581,500 shares $1.38 million +1,022.6%4.1%16.9 $2.37Ever heard of this 8-day bitcoin profit window? (Ad)Did you know Bitcoin almost always soars higher during an 8-Day Profit Window? Most people have no clue… But for over a year now, some of our top students have had the chance to cash in with some incredible gains during this 8-day window.It’s coming up quick. 12/15/202251,800 shares $120,176.00 -3.2%0.4%1.8 $2.32 11/30/202253,500 shares $111,815.00 +5.9%0.4%2 $2.09 11/15/202250,500 shares $101,000.00 -0.8%0.4%1.7 $2.00 10/31/202250,900 shares $109,435.00 -8.6%0.4%1.7 $2.15 10/15/202255,700 shares $114,185.00 -4.5%0.4%1.7 $2.05 9/30/202258,300 shares $120,098.00 -26.9%0.4%1.7 $2.06 9/15/202279,700 shares $186,498.00 +47.6%0.6%2 $2.34 8/31/202254,000 shares $126,360.00 -4.1%0.4%1.4 $2.34 8/15/202256,300 shares $137,935.00 -2.3%0.4%1.4 $2.45 7/31/202257,600 shares $141,120.00 -19.3%0.4%1.1 $2.45 7/15/202271,400 shares $177,786.00 -32.4%0.5%1.2 $2.49 6/30/2022105,600 shares $262,944.00 -26.1%0.7%1.4 $2.49 6/15/2022142,800 shares $324,156.00 -14.9%1.0%1.1 $2.27 5/31/2022167,700 shares $400,803.00 -17.4%1.2%1.1 $2.39 5/15/2022202,900 shares $468,699.00 -7.7%1.4%1.3 $2.31 4/30/2022219,900 shares $521,163.00 -4.6%1.5%1.4 $2.37 4/15/2022230,500 shares $539,370.00 -18.8%1.6%1.4 $2.34 3/31/2022283,700 shares $652,510.00 +21.4%2.0%1.7 $2.30 3/15/2022233,700 shares $504,792.00 -15.7%1.6%1.5 $2.16 2/28/2022277,100 shares $562,513.00 -8.0%1.9%1.7 $2.03 2/15/2022301,100 shares $566,068.00 -6.3%2.1%1.5 $1.88 1/31/2022321,200 shares $607,068.00 -1.2%2.3%1.4 $1.89 1/15/2022325,200 shares $656,904.00 +2.6%2.3%0.7 $2.02 12/31/2021316,900 shares $681,335.00 -13.9%2.2%0.7 $2.15 12/15/2021368,200 shares $850,542.00 -26.3%2.6%0.8 $2.31 11/30/2021499,700 shares $1.18 million +10.9%3.5%1.2 $2.37 11/15/2021450,700 shares $1.10 million +54.1%3.1%1.3 $2.44 10/29/2021292,500 shares $801,450.00 -1.6%2.0%0.9 $2.74 10/15/2021297,200 shares $829,188.00 -6.4%2.1%1.3 $2.79 9/30/2021317,600 shares $940,096.00 -18.3%2.2%1.2 $2.96 9/15/2021388,900 shares $1.17 million -3.6%2.7%1.4 $3.02 8/31/2021403,200 shares $1.25 million -1.5%2.8%1.4 $3.09 8/13/2021409,200 shares $1.19 million -8.7%2.9%1.3 $2.92 7/30/2021448,300 shares $1.42 million +16.3%3.1%1.3 $3.16 7/15/2021385,500 shares $1.15 million +14.2%2.7%1.6 $2.99 6/30/2021337,600 shares $1.18 million +41.2%2.4%1.3 $3.49 6/15/2021239,100 shares $899,016.00 -26.1%1.7%0.9 $3.76 5/28/2021323,400 shares $1.13 million -31.6%2.3%0.9 $3.49 5/14/2021472,700 shares $1.45 million +24.8%N/A0.8 $3.07 4/30/2021378,900 shares $1.33 million -31.9%N/A0.4 $3.50 4/15/2021556,700 shares $1.93 million +18.2%N/A0.6 $3.46 3/31/2021471,200 shares $1.66 million +45.1%N/A0.5 $3.52 3/15/2021324,700 shares $1.39 million +64.3%N/A0.3 $4.27 2/26/2021197,600 shares $867,464.00 +65.1%N/A0.2 $4.39 2/12/2021119,700 shares $634,410.00 +293.8%N/A0.1 $5.30 1/29/202130,400 shares $127,072.00 -62.6%N/A0.1 $4.18 1/15/202181,200 shares $363,776.00 -35.9%N/A0.2 $4.48 12/31/2020126,700 shares $516,936.00 +208.3%N/A0.3 $4.08 12/15/202041,100 shares $176,730.00 -17.5%N/A0.1 $4.30 11/30/202049,800 shares $213,144.00 +18.6%N/A0.1 $4.28Ever heard of this 8-day bitcoin profit window? (Ad)Did you know Bitcoin almost always soars higher during an 8-Day Profit Window? Most people have no clue… But for over a year now, some of our top students have had the chance to cash in with some incredible gains during this 8-day window.It’s coming up quick. 11/15/202042,000 shares $169,260.00 -18.3%N/A0.1 $4.03 10/30/202051,400 shares $198,918.00 -40.4%N/A0.1 $3.87 10/15/202086,300 shares $359,008.00 -40.8%N/A0.1 $4.16 9/30/2020145,800 shares $644,436.00 +169.0%N/A0.1 $4.42 9/15/202054,200 shares $283,466.00 -19.7%N/A0.1 $5.23 8/31/202067,500 shares $308,475.00 -23.2%N/A0.1 $4.57 8/14/202087,900 shares $523,005.00 +112.3%N/A0 $5.95 7/31/202041,400 shares $289,800.00 +88.2%N/A0 $7.00 7/15/202022,000 shares $142,120.00 -13.4%N/A0 $6.46 6/30/202025,400 shares $170,180.00 +63.9%N/A0 $6.70 6/15/202015,500 shares $110,515.00 +82.4%N/A0 $7.13 5/29/20208,500 shares $163,285.00 -62.7%N/A0 $19.21 5/15/202022,800 shares $88,008.00 -14.9%N/A1 $3.86 4/30/202026,800 shares $98,088.00 -18.3%N/A0.9 $3.66 4/15/202032,800 shares $145,632.00 -33.1%N/A1.1 $4.44 3/31/202049,000 shares $195,020.00 +23.7%N/A1.4 $3.98 3/13/202039,600 shares $118,800.00 +1,484.0%N/A1.7 $3.00 2/28/20202,500 shares $6,350.00 -59.0%N/A0.1 $2.54 2/14/20206,100 shares $20,191.00 +60.5%N/A0.1 $3.31 1/31/20203,800 shares $15,694.00 -13.6%N/A0.1 $4.13 1/15/20204,400 shares $23,540.00 -21.4%N/A0.1 $5.35 12/31/20195,600 shares $31,472.00 -36.4%N/A0.1 $5.62 ABIO Short Interest - Frequently Asked Questions What is ARCA biopharma's current short interest? Short interest is the volume of ARCA biopharma shares that have been sold short but have not yet been covered or closed out. As of August 15th, investors have sold 4,990,000 shares of ABIO short. 37.10% of ARCA biopharma's shares are currently sold short. Learn More on ARCA biopharma's current short interest. What is a good short interest ratio for ARCA biopharma? 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. ABIO shares currently have a short interest ratio of 50.0. Learn More on ARCA biopharma's short interest ratio. What is a good short interest percentage for ARCA biopharma? 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. 37.10% of ARCA biopharma's floating shares are currently sold short. Is ARCA biopharma's short interest increasing or decreasing? ARCA biopharma saw a increase in short interest during the month of August. As of August 15th, there was short interest totaling 4,990,000 shares, an increase of 13.4% from the previous total of 4,400,000 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 ARCA biopharma's float size? ARCA biopharma currently has issued a total of 14,507,000 shares. Some of ARCA biopharma'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. ARCA biopharma currently has a public float of 13,450,000 shares. How does ARCA biopharma's short interest compare to its competitors? 37.10% of ARCA biopharma's shares are currently sold short. Here is how the short interest of companies in the sector of "medical" compare to ARCA biopharma: ImmuCell Co. (0.09%), Acumen Pharmaceuticals, Inc. (3.22%), Sagimet Biosciences Inc. (19.73%), Black Diamond Therapeutics, Inc. (11.19%), Candel Therapeutics, Inc. (9.04%), Telomir Pharmaceuticals, Inc. (3.22%), Compugen Ltd. (1.42%), Skye Bioscience, Inc. (8.88%), Cardiol Therapeutics Inc. (1.23%), Cidara Therapeutics, Inc. (1.05%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($4.23 billion), Aptiv PLC ($2.50 billion), Royal Caribbean Cruises Ltd. ($2.48 billion), Paychex, Inc. ($2.25 billion), Moderna, Inc. ($2.17 billion), Cencora, Inc. ($2.12 billion), Tractor Supply ($1.93 billion), Onsemi ($1.82 billion), International Paper ($1.81 billion), and Rivian Automotive, Inc. ($1.72 billion). View all of the most shorted stocks. What does it mean to sell short ARCA biopharma stock? Short selling ABIO is an investing strategy that aims to generate trading profit from ARCA biopharma as its price is falling. 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 ARCA biopharma? A short squeeze for ARCA biopharma 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 ABIO, which in turn drives the price of the stock up even further. How often is ARCA biopharma'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 ABIO, twice per month. The most recent reporting period available is August, 15 2024. More Short Interest Resources from MarketBeat Related Companies ImmuCell Short Interest Acumen Pharmaceuticals Short Interest Sagimet Biosciences Short Interest Black Diamond Therapeutics Short Interest Candel Therapeutics Short Interest Telomir Pharmaceuticals Short Interest Compugen Short Interest Skye Bioscience Short Interest Cardiol Therapeutics Short Interest Cidara Therapeutics Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:ABIO) was last updated on 11/23/2024 by MarketBeat.com Staff From Our PartnersMissed Nvidia? Watch this ASAPThis little-known project that Bill Gates has been quietly working on that’s about to unleash an AI breakthrou...Brownstone Research | SponsoredThe Crypto That’s Making Wall Street SweatThe Crypto Wall Street Is Desperate to Hide It's happening now, right under everyone's radar. 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