This company has been marked as potentially delisted and may not be actively trading. BlackRock Municipal Income Investment Trust (BBF) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock BlackRock Municipal Income Investment Trust Short Interest DataBlackRock Municipal Income Investment Trust (BBF) has a short interest of 1,900 shares. This marks a -92.08% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.1, indicating that it would take 0.1 days of the average trading volume of 37,828 shares to cover all short positions.Current Short Interest1,900 sharesPrevious Short Interest24,000 sharesChange Vs. Previous Month-92.08%Dollar Volume Sold Short$25.95 thousandShort Interest Ratio0.1 Days to CoverLast Record DateMarch 15, 2021Today's Trading Volume37,014 sharesAverage Trading Volume37,828 sharesToday's Volume Vs. Average98% Short Selling BlackRock Municipal Income Investment Trust? 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Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartBBF Short Interest Over TimeBBF Days to Cover Over TimeBBF Percentage of Float Shorted Over Time BlackRock Municipal Income Investment Trust Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/15/20211,900 shares $25.95 thousand -92.1%N/A0.1 $13.66 2/26/202124,000 shares $327.84 thousand +13.7%N/A0.7 $13.66 2/12/202121,100 shares $306.58 thousand +8.2%N/A0.7 $14.53 1/29/202119,500 shares $271.05 thousand +926.3%N/A0.7 $13.90 1/15/20211,900 shares $25.33 thousand +90.0%N/A0.1 $13.33 12/31/20201,000 shares $13.34 thousand -75.6%N/A0 $13.34 12/15/20204,100 shares $54.74 thousand -28.1%N/A0.2 $13.35 11/30/20205,700 shares $75.81 thousand +111.1%N/A0.3 $13.30 11/15/20202,700 shares $35.26 thousand -57.1%N/A0.2 $13.06 10/30/20206,300 shares $80.14 thousand -20.3%N/A0.4 $12.72 10/15/20207,900 shares $103.61 thousand +426.7%N/A0 $13.12 9/30/20201,500 shares $19.44 thousand +66.7%N/A0.1 $12.96 9/15/20201,200 shares $15.67 thousand +33.3%N/A0.1 $13.06 8/31/2020900 shares $11.72 thousand -47.1%N/A0.1 $13.02 8/14/20201,700 shares $22.87 thousand No ChangeN/A0.1 $13.45 7/31/20201,700 shares $22.64 thousand -88.9%N/A0.1 $13.32 7/15/202015,300 shares $199.67 thousand -10.0%N/A0.6 $13.05 BBF Short Interest - Frequently Asked Questions What is BlackRock Municipal Income Investment Trust's current short interest? Short interest is the volume of BlackRock Municipal Income Investment Trust shares that have been sold short but have not yet been covered or closed out. As of March 15th, investors have sold 1,900 shares of BBF short. Learn More on BlackRock Municipal Income Investment Trust's current short interest. Is BlackRock Municipal Income Investment Trust's short interest increasing or decreasing? BlackRock Municipal Income Investment Trust saw a decline in short interest in March. As of March 15th, there was short interest totaling 1,900 shares, a decline of 92.1% from the previous total of 24,000 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. Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Aon plc ($5.63 billion), Charter Communications, Inc. ($5.41 billion), Analog Devices, Inc. ($5.32 billion), Baidu, Inc. ($4.45 billion), Snap Inc. ($3.86 billion), Warner Bros. Discovery, Inc. ($3.30 billion), Airbnb, Inc. ($2.82 billion), Bilibili Inc. Sponsored ADR ($2.34 billion), GameStop Corp. ($2.24 billion), and Expedia Group, Inc. ($2.21 billion). View all of the most shorted stocks. What does it mean to sell short BlackRock Municipal Income Investment Trust stock? Short selling BBF is an investing strategy that aims to generate trading profit from BlackRock Municipal Income Investment Trust 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 BlackRock Municipal Income Investment Trust? A short squeeze for BlackRock Municipal Income Investment Trust 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 BBF, which in turn drives the price of the stock up even further. How often is BlackRock Municipal Income Investment Trust'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 BBF, twice per month. The most recent reporting period available is March, 15 2021. More Short Interest Resources from MarketBeat Related Companies Aberdeen Total Dynamic Dividend Fund Short Interest Cohen & Steers Limited Duration Preferred and Income Fund Short Interest RiverNorth Capital and Income Fund Short Interest XAI Octagon Floating Rate & Alternative Income Trust Short Interest Nuveen Multi-Asset Income Fund Short Interest Virtus Artificial Intelligence & Technology Opportunities Fund 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:BBF) was last updated on 7/7/2025 by MarketBeat.com Staff From Our PartnersPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. 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