ProShares UltraShort Nasdaq Biotechnology (BIS) Short Interest Ratio & Short Volume $16.04 +0.06 (+0.38%) Closing price 02/21/2025 04:00 PM EasternExtended Trading$16.05 +0.01 (+0.06%) As of 02/21/2025 04:08 PM 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 AnalysisChartDividendHeadlinesHoldingsOptions ChainOwnershipShort InterestTrends ProShares UltraShort Nasdaq Biotechnology Short Interest DataProShares UltraShort Nasdaq Biotechnology (BIS) has a short interest of 8,600 shares. This marks a -27.12% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.7, indicating that it would take 0.7 days of the average trading volume of 8,832 shares to cover all short positions.Current Short Interest8,600 sharesPrevious Short Interest11,800 sharesChange Vs. Previous Month-27.12%Dollar Volume Sold Short$142,416.00Short Interest Ratio0.7 Days to CoverLast Record DateJanuary 31, 2025Outstanding Shares200,000 sharesPercentage of Shares Shorted4.30%Today's Trading Volume10,998 sharesAverage Trading Volume8,832 sharesToday's Volume Vs. Average125% Short Selling ProShares UltraShort Nasdaq Biotechnology? Sign up to receive the latest short interest report for ProShares UltraShort Nasdaq Biotechnology and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartBIS Short Interest Over TimeBIS Days to Cover Over TimeBIS Percentage of Float Shorted Over Time ProShares UltraShort Nasdaq Biotechnology Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 1/31/20258,600 shares $142,416.00 -27.1%N/A0.7 $16.56 1/15/202511,800 shares $213,344.00 -71.8%N/A1 $18.08 12/31/202441,800 shares $760,342.00 +305.8%N/A3.3 $18.19 12/15/202410,300 shares $178,705.00 +22.6%N/A0.8 $17.35 11/30/20248,400 shares $132,972.00 -2.3%N/A0.6 $15.83 11/15/20248,600 shares $152,048.00 +32.3%N/A0.6 $17.68 10/31/20246,500 shares $103,740.00 -4.4%N/A0.5 $15.96 10/15/20246,800 shares $101,252.00 -20.0%N/A0.5 $14.89 9/30/20248,500 shares $127,840.00 -31.5%N/A0.6 $15.04 9/15/202412,400 shares $178,684.00 -30.7%N/A1 $14.41 Get the Latest News and Ratings for BIS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ProShares UltraShort Nasdaq Biotechnology and its competitors with MarketBeat's FREE daily newsletter. 8/31/202417,900 shares $259,192.00 +103.4%N/A1.8 $14.48 8/15/20248,800 shares $133,760.00 -35.8%N/A1.1 $15.20 7/31/202413,700 shares $201,253.00 +20.2%N/A2 $14.69 7/15/202411,400 shares $168,746.22 -17.4%N/A1.9 $14.80 6/30/202413,800 shares $229,770.00 +43.8%N/A2.3 $16.65 6/15/20249,600 shares $163,881.60 -41.1%N/A1.4 $17.07 5/31/202416,300 shares $292,422.00 +29.4%N/A2.3 $17.94 5/15/202412,600 shares $219,114.00 -16.0%N/A1.8 $17.39 4/30/202415,000 shares $299,400.00 +11.9%N/A2 $19.96 4/15/202413,400 shares $268,670.00 -30.6%N/A0.7 $20.05 3/31/202419,300 shares $339,294.00 +144.3%N/A0.8 $17.58 3/15/20247,900 shares $143,622.00 -2.5%N/A0.3 $18.18 2/29/20248,100 shares $143,086.50 -35.2%N/A0.4 $17.67 2/15/202412,500 shares $220,125.00 +0.8%N/A0.6 $17.61 1/31/202412,400 shares $223,057.40 -10.1%N/A0.6 $17.99 1/15/202413,800 shares $238,188.00 +14.1%N/A1.5 $17.26 12/31/202312,100 shares $218,647.00 +40.7%N/A2.6 $18.07 12/15/20238,600 shares $169,076.00 -4.4%N/A1.8 $19.66 11/30/20239,000 shares $209,520.00 -8.2%N/A1.9 $23.28 11/15/20239,800 shares $239,120.00 -36.8%N/A1.9 $24.40 10/31/202315,500 shares $398,505.00 +23.0%N/A3.3 $25.71 10/15/202312,600 shares $284,760.00 -21.7%N/A3.6 $22.60 9/30/202316,100 shares $360,801.00 +11.0%N/A5 $22.41 9/15/202314,500 shares $309,285.00 -14.2%N/A4.7 $21.33 8/31/202316,900 shares $349,492.00 +59.4%N/A4.9 $20.68 8/15/202310,600 shares $220,904.00 No ChangeN/A2.9 $20.84 7/31/202310,600 shares $216,346.00 +17.8%N/A2.8 $20.41 7/15/20239,000 shares $186,120.00 -4.3%N/A2.3 $20.68 6/30/20239,400 shares $195,901.64 -2.1%N/A2.1 $20.84 6/15/20239,600 shares $184,608.00 -15.0%N/A1.5 $19.23Secret financial plot unfolding in Washington DC… [DEVELOPING] (Ad)What stocks are next up to soar in 2025? 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You see, I’ve recently uncovered a secret financial plot unfolding in Washington DC…So please take a moment to watch it now. 5/31/202311,300 shares $235,605.00 -15.7%N/A1.3 $20.85 5/15/202313,400 shares $255,538.00 -1.5%N/A1.2 $19.07 4/30/202313,600 shares $268,192.00 -20.0%N/A1.1 $19.72 4/15/202317,000 shares $329,800.00 -9.6%N/A1.2 $19.40 3/31/202318,800 shares $381,452.00 -42.5%N/A1.2 $20.29 3/15/202332,700 shares $694,875.00 +51.4%N/A1.6 $21.25 2/28/202321,600 shares $449,280.00 +67.4%N/A1.1 $20.80 2/15/202312,900 shares $247,422.00 -22.8%N/A0.6 $19.18 1/31/202316,700 shares $305,443.00 +12.1%N/A0.9 $18.29 1/15/202314,900 shares $271,776.00 -77.5%N/A0.8 $18.24 12/30/202266,300 shares $1.30 million +151.1%N/A3.7 $19.64 12/15/202226,400 shares $497,112.00 -65.1%N/A1.4 $18.83 11/30/202275,600 shares $1.40 million +132.6%N/A4.6 $18.55 11/15/202232,500 shares $625,300.00 -35.6%N/A2.1 $19.24 10/31/202250,500 shares $1.06 million -0.4%N/A3.2 $20.94 10/15/202250,700 shares $1.22 million No ChangeN/A2.2 $24.12 9/30/202246,500 shares $1.18 million -2.5%N/A1.6 $25.27 9/15/202247,700 shares $1.10 million +3.9%N/A1.7 $23.08 8/31/202245,900 shares $1.13 million +73.2%N/A1.5 $24.65 8/15/202226,500 shares $533,180.00 +150.0%N/A0.8 $20.12 7/31/202210,600 shares $260,866.00 -21.5%N/A0.3 $24.61 7/15/202213,500 shares $324,540.00 -84.6%N/A0.4 $24.04 6/30/202287,800 shares $2.37 million +644.1%N/A3.4 $26.95 6/15/202211,800 shares $381,494.00 -21.9%N/A0.5 $32.33 5/31/202215,100 shares $430,199.00 -36.0%N/A0.7 $28.49 5/15/202223,600 shares $724,756.00 +4.9%N/A1.1 $30.71 4/30/202222,500 shares $652,275.00 +14.2%N/A1.1 $28.99 4/15/202219,700 shares $457,040.00 +38.7%N/A0.9 $23.20 3/31/202214,200 shares $342,362.00 -21.6%N/A0.6 $24.11 3/15/202218,100 shares $511,325.00 -39.9%N/A0.7 $28.25 2/28/202230,100 shares $812,700.00 +2.4%N/A1.1 $27.00 2/15/202229,400 shares $743,526.00 -8.7%N/A1.1 $25.29 1/31/202232,200 shares $811,440.00 +35.9%N/A1.6 $25.20 1/15/202223,700 shares $546,059.85 +1.3%N/A1.3 $23.04 12/31/202123,400 shares $469,638.00 -2.1%N/A1.9 $20.07 12/15/202123,900 shares $480,151.00 -7.4%N/A2 $20.09 11/30/202125,800 shares $515,742.00 +80.4%N/A2.1 $19.99 11/15/202114,300 shares $282,209.07 No ChangeN/A1.6 $19.73 10/29/202114,300 shares $266,552.00 +14.4%N/A1.5 $18.64 10/15/202112,500 shares $238,250.00 -2.3%N/A1.2 $19.06 9/30/202112,800 shares $230,912.00 -15.2%N/A1.1 $18.04 9/15/202115,100 shares $250,056.00 -7.9%N/A1.1 $16.56 8/31/202116,400 shares $271,092.00 -23.0%N/A1.1 $16.53 8/13/202121,300 shares $366,786.00 -20.8%N/A1.1 $17.22 7/30/202126,900 shares $491,732.00 +12.1%N/A1.2 $18.28 7/15/202124,000 shares $470,880.00 +61.1%N/A1 $19.62 6/30/202114,900 shares $274,011.00 +19.2%N/A0.5 $18.39 6/15/202112,500 shares $243,500.00 -57.2%N/A0.4 $19.48 5/28/202129,200 shares $632,180.00 -10.7%N/A0.7 $21.65 5/14/202132,700 shares $766,749.60 +157.5%N/A0.6 $23.45Secret financial plot unfolding in Washington DC… [DEVELOPING] (Ad)What stocks are next up to soar in 2025? 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You see, I’ve recently uncovered a secret financial plot unfolding in Washington DC…So please take a moment to watch it now. 4/30/202112,700 shares $266,954.00 -5.9%N/A0.2 $21.02 4/15/202113,500 shares $299,025.00 -43.5%N/A0.1 $22.15 3/31/202123,900 shares $568,342.00 -4.8%N/A0.2 $23.78 3/15/202125,100 shares $542,411.00 -18.0%N/A0.3 $21.61 2/26/202130,600 shares $651,780.00 -22.7%N/A0.3 $21.30 2/12/202139,600 shares $729,036.00 -60.3%N/A0.5 $18.41 1/29/202199,800 shares $2.07 million +552.3%N/A1.5 $20.76 1/15/202115,300 shares $313,803.00 -27.5%N/A0.2 $20.51 12/31/202021,100 shares $490,575.00 -27.5%N/A0.4 $23.25 12/15/202029,100 shares $666,972.00 +54.0%N/A0.5 $22.92 11/30/202018,900 shares $503,307.00 +3.3%N/A0.3 $26.63 11/15/202018,300 shares $503,982.00 +34.6%N/A0.3 $27.54 10/30/202013,600 shares $428,264.00 -11.1%N/A0.2 $31.49 10/15/202015,300 shares $424,269.00 -18.6%N/A0 $27.73 9/30/202018,800 shares $582,314.96 +15.3%N/A0.2 $30.97 9/15/202013,900 shares $429,811.63 -14.7%N/A0.1 $30.92 8/31/202016,300 shares $517,036.00 -81.2%N/A0.2 $31.72 8/14/202086,800 shares $2.87 million -26.9%N/A1 $33.12 7/31/2020118,700 shares $3.88 million +9.9%N/A0.4 $32.68 7/15/2020108,000 shares $3.29 million +94.6%N/A0.4 $30.44 6/30/202055,500 shares $1.85 million +4.1%N/A0.3 $33.28 6/15/202053,300 shares $1.98 million -12.1%N/A0.3 $37.08 5/29/202060,600 shares $2.13 million +27.9%N/A0.4 $35.12 5/15/202047,400 shares $1.76 million +200.0%N/A0.3 $37.20 4/30/202015,800 shares $643,376.00 -42.3%N/A0.1 $40.72 4/15/202027,400 shares $1.30 million -57.2%N/A0.2 $47.60 3/31/202064,000 shares $633,600.00 +31.4%N/A0.4 $9.90 3/13/202048,700 shares $602,419.00 +5.0%N/A0.3 $12.37 2/28/202046,400 shares $831,952.00 +129.7%N/A0.4 $17.93 BIS Short Interest - Frequently Asked Questions What is ProShares UltraShort Nasdaq Biotechnology's current short interest? Short interest is the volume of ProShares UltraShort Nasdaq Biotechnology shares that have been sold short but have not yet been covered or closed out. As of January 31st, traders have sold 8,600 shares of BIS short. Learn More on ProShares UltraShort Nasdaq Biotechnology's current short interest. What is a good short interest ratio for ProShares UltraShort Nasdaq Biotechnology? 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. BIS shares currently have a short interest ratio of 1.0. Learn More on ProShares UltraShort Nasdaq Biotechnology's short interest ratio. Is ProShares UltraShort Nasdaq Biotechnology's short interest increasing or decreasing? ProShares UltraShort Nasdaq Biotechnology saw a decrease in short interest in January. As of January 31st, there was short interest totaling 8,600 shares, a decrease of 27.1% from the previous total of 11,800 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 ProShares UltraShort Nasdaq Biotechnology's short interest compare to its competitors? Here is how the short interest of companies compare to ProShares UltraShort Nasdaq Biotechnology: JPMorgan Healthcare Leaders ETF (0.07%), First Trust Nasdaq Pharmaceuticals ETF (0.24%), Invesco Nasdaq Biotechnology ETF (0.18%), ProShares Ultra Nasdaq Biotechnology (0.37%), Invesco Dorsey Wright Healthcare Momentum ETF (0.21%), VanEck Biotech ETF (0.12%), VanEck Pharmaceutical ETF (45.67%), and iShares Biotechnology ETF (21.61%). Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Co. ($5.21 billion), Charter Communications, Inc. ($4.07 billion), Reddit, Inc. ($3.33 billion), The Kroger Co. ($2.67 billion), Cencora, Inc. ($2.29 billion), Hims & Hers Health, Inc. ($2.17 billion), SoFi Technologies, Inc. ($1.99 billion), Live Nation Entertainment, Inc. ($1.87 billion), Rivian Automotive, Inc. ($1.76 billion), and Moderna, Inc. ($1.60 billion). View all of the most shorted stocks. What does it mean to sell short ProShares UltraShort Nasdaq Biotechnology stock? Short selling BIS is an investing strategy that aims to generate trading profit from ProShares UltraShort Nasdaq Biotechnology as its price is falling. BIS shares are trading up $0.06 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 ProShares UltraShort Nasdaq Biotechnology? A short squeeze for ProShares UltraShort Nasdaq Biotechnology 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 BIS, which in turn drives the price of the stock up even further. How often is ProShares UltraShort Nasdaq Biotechnology'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 BIS, twice per month. The most recent reporting period available is January, 31 2025. More Short Interest Resources from MarketBeat Related Companies JPMorgan Healthcare Leaders ETF Short Interest Data First Trust Nasdaq Pharmaceuticals ETF Short Interest Data Invesco Nasdaq Biotechnology ETF Short Interest Data ProShares Ultra Nasdaq Biotechnology Short Interest Data Invesco Dorsey Wright Healthcare Momentum ETF Short Interest Data VanEck Biotech ETF Short Interest Data VanEck Pharmaceutical ETF Short Interest Data iShares Biotechnology ETF 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 (NASDAQ:BIS) was last updated on 2/22/2025 by MarketBeat.com Staff From Our PartnersSecret financial plot unfolding in Washington DC… [DEVELOPING]What stocks are next up to soar in 2025? I believe I’ve found the answer - and it might surprise you. 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