BlackRock MuniAssets Fund (MUA) Short Interest Ratio & Short Volume $11.79 +0.24 (+2.08%) Closing price 09/12/2025 03:59 PM EasternExtended Trading$11.81 +0.02 (+0.16%) As of 09/12/2025 08:00 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 AnalysisChartCompetitorsDividendHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock BlackRock MuniAssets Fund Short Interest DataBlackRock MuniAssets Fund (MUA) has a short interest of 70,700 shares. This marks a -10.51% 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 103,457 shares to cover all short positions.Current Short Interest70,700 sharesPrevious Short Interest79,000 sharesChange Vs. Previous Month-10.51%Dollar Volume Sold Short$757.55 thousandShort Interest Ratio0.7 Days to CoverLast Record DateAugust 31, 2025Today's Trading Volume107,753 sharesAverage Trading Volume103,457 sharesToday's Volume Vs. Average104% Short Selling BlackRock MuniAssets Fund? Sign up to receive the latest short interest report for BlackRock MuniAssets Fund 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. Text HELP for help/customer support. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMUA Short Interest Over TimeMUA Days to Cover Over TimeMUA Percentage of Float Shorted Over Time BlackRock MuniAssets Fund Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/31/202570,700 shares $757.55 thousand -10.5%N/A0.7 $10.72 8/15/202579,000 shares $832.66 thousand -28.3%N/A0.8 $10.54 7/31/2025110,200 shares $1.14 million +156.3%N/A1.1 $10.35 7/15/202543,000 shares $445.91 thousand -10.2%N/A0.4 $10.37 6/30/202547,900 shares $497.68 thousand +209.0%N/A0.4 $10.39 6/15/202515,500 shares $157.64 thousand -45.6%N/A0.1 $10.17 5/31/202528,500 shares $293.27 thousand -13.6%0.1%0.2 $10.29 5/15/202533,000 shares $342.21 thousand +68.4%0.1%0.2 $10.37 4/30/202519,600 shares $201.29 thousand +100.0%N/A0.1 $10.27 4/15/20259,800 shares $99.03 thousand -66.1%0.0%0.1 $10.11 Get the Latest News and Ratings for MUA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for BlackRock MuniAssets Fund and its competitors with MarketBeat's FREE daily newsletter. 3/31/202528,900 shares $312.84 thousand +12.0%0.1%0.2 $10.83 3/15/202525,800 shares $276.32 thousand +83.0%0.1%0.2 $10.71 2/28/202514,100 shares $157.14 thousand -28.8%0.0%0.1 $11.15 2/15/202519,800 shares $221.09 thousand -20.2%0.1%0.2 $11.17 1/31/202524,800 shares $274.29 thousand -34.4%N/A0.3 $11.06 1/15/202537,800 shares $414.29 thousand -25.7%N/A0.4 $10.96 12/31/202450,900 shares $561.94 thousand +28.9%N/A0.5 $11.04 12/15/202439,500 shares $458.99 thousand -2.0%N/A0.4 $11.62 11/30/202440,300 shares $494.48 thousand -25.2%N/A0.4 $12.27 11/15/202453,900 shares $654.35 thousand +51.4%N/A0.6 $12.14 10/31/202435,600 shares $414.03 thousand -25.2%N/A0.4 $11.63 10/15/202447,600 shares $584.53 thousand -34.3%N/A0.5 $12.28 9/30/202472,500 shares $899 thousand +51.4%N/A0.8 $12.40 9/15/202447,900 shares $600.19 thousand -1.8%N/A0.6 $12.53 8/31/202448,800 shares $589.50 thousand +119.8%N/A0.7 $12.08 8/15/202422,200 shares $255.97 thousand -64.3%N/A0.3 $11.53 7/31/202462,200 shares $716.54 thousand -29.0%N/A0.9 $11.52 7/15/202487,600 shares $1.04 million +72.1%N/A1.3 $11.88 6/30/202450,900 shares $590.44 thousand -18.8%N/A0.7 $11.60 6/15/202462,700 shares $718.54 thousand +13.8%N/A0.8 $11.46 5/31/202455,100 shares $603.35 thousand -45.7%N/A0.7 $10.95 5/15/2024101,500 shares $1.13 million -12.4%N/A1.2 $11.15 4/30/2024115,900 shares $1.26 million -14.4%N/A1.4 $10.85 4/15/2024135,400 shares $1.49 million +15.3%N/A1.7 $11.01 3/31/202436,200 shares $401.10 thousand -72.0%N/A0.4 $11.08 3/15/2024129,400 shares $1.44 million -23.6%N/A1.3 $11.16 2/29/2024169,400 shares $1.88 million +6.6%N/A1.5 $11.08 2/15/2024158,900 shares $1.75 million -23.7%N/A1.4 $11.04 1/31/2024208,200 shares $2.27 million -5.5%N/A1.6 $10.91 1/15/2024220,200 shares $2.42 million +135.8%N/A1.6 $10.99 12/31/202393,400 shares $989.11 thousand +8.4%N/A0.7 $10.59 12/15/202386,200 shares $911.13 thousand +291.8%N/A0.6 $10.57 11/30/202322,000 shares $224.40 thousand +12.8%N/A0.2 $10.20 11/15/202319,500 shares $188.96 thousand -11.0%N/A0.2 $9.69 10/31/202321,900 shares $191.63 thousand +28.8%N/A0.2 $8.75 10/15/202317,000 shares $152.66 thousand -4.0%N/A0.2 $8.98 9/30/202317,700 shares $159.30 thousand +23.8%N/A0.2 $9.00 9/15/202314,300 shares $135.56 thousand +104.3%N/A0.2 $9.48 8/31/20237,000 shares $67.94 thousand -19.5%N/A0.1 $9.71 8/15/20238,700 shares $86.83 thousand -58.0%N/A0.1 $9.98 7/31/202320,700 shares $211.97 thousand +93.5%N/A0.3 $10.24 7/15/202310,700 shares $110.75 thousand +174.4%N/A0.2 $10.35 6/30/20233,900 shares $39.78 thousand -7.1%N/A0.1 $10.20 6/15/20234,200 shares $42.92 thousand -67.4%N/A0.1 $10.22 5/31/202312,900 shares $131.06 thousand +79.2%N/A0.2 $10.16 5/15/20237,200 shares $74.95 thousand +176.9%N/A0.1 $10.41 4/30/20232,600 shares $26.88 thousand -23.5%N/A0 $10.34 4/15/20233,400 shares $35.53 thousand -78.3%N/A0 $10.45 3/31/202315,700 shares $165.32 thousand -31.1%N/A0.2 $10.53 3/15/202322,800 shares $239.63 thousand -60.0%N/A0.2 $10.51 2/28/202357,000 shares $596.22 thousand +55.3%N/A0.3 $10.46 2/15/202336,700 shares $410.67 thousand -18.6%N/A0.2 $11.19 1/31/202345,100 shares $513.24 thousand -57.5%N/A0.2 $11.38 1/15/2023106,000 shares $1.18 million +89.6%N/A0.5 $11.14 12/30/202255,900 shares $604.84 thousand +514.3%N/A0.2 $10.82 12/15/20229,100 shares $95.28 thousand -64.2%N/A0 $10.47 11/30/202225,400 shares $270.26 thousand +16.0%N/A0.1 $10.64 11/15/202221,900 shares $219 thousand +53.2%N/A0.2 $10.00 10/31/202214,300 shares $136.42 thousand +410.7%N/A0.1 $9.54 10/15/20222,800 shares $27.86 thousand No ChangeN/A0 $9.95 9/30/20228,700 shares $89.35 thousand -73.2%N/A0.1 $10.27 9/15/202232,400 shares $363.85 thousand -20.4%N/A0.5 $11.23 8/31/202240,700 shares $506.31 thousand +91.1%N/A0.5 $12.44 8/15/202221,300 shares $268.38 thousand -5.3%N/A0.3 $12.60 7/31/202222,500 shares $282.38 thousand -53.5%N/A0.2 $12.55 7/15/202248,400 shares $601.13 thousand -52.6%N/A0.4 $12.42 6/30/2022102,200 shares $1.24 million +352.2%N/A0.9 $12.18 6/15/202222,600 shares $246.11 thousand -8.9%N/A0.2 $10.89 5/31/202224,800 shares $307.52 thousand +41.7%N/A0.2 $12.40 5/15/202217,500 shares $194.78 thousand -26.5%N/A0.2 $11.13 4/30/202223,800 shares $283.22 thousand +290.2%N/A0.3 $11.90 4/15/20226,100 shares $71.68 thousand +7.0%N/A0.1 $11.75 3/31/20225,700 shares $72.96 thousand -54.4%N/A0.1 $12.80 3/15/202212,500 shares $157.38 thousand +31.6%N/A0.2 $12.59 2/28/20229,500 shares $129.30 thousand -6.9%N/A0.2 $13.61 2/15/202210,200 shares $140.15 thousand +6.3%N/A0.2 $13.74 1/31/20229,600 shares $135.65 thousand -31.9%N/A0.2 $14.13 1/15/202214,100 shares $205.72 thousand +60.2%N/A0.3 $14.59 12/31/20218,800 shares $130.77 thousand -86.1%N/A0.2 $14.86 12/15/202163,200 shares $989.08 thousand +12.1%N/A1.3 $15.65 11/30/202156,400 shares $919.32 thousand -7.1%N/A1.3 $16.30 11/15/202160,700 shares $955.42 thousand +1,634.3%N/A1.4 $15.74 10/29/20213,500 shares $52.85 thousand -72.2%N/A0.1 $15.10 10/15/202112,600 shares $188.62 thousand -9.4%N/A0.3 $14.97 9/30/202113,900 shares $211.14 thousand -71.8%N/A0.4 $15.19 9/15/202149,300 shares $826.76 thousand +103.7%N/A1.3 $16.77 8/31/202124,200 shares $391.31 thousand -11.0%N/A0.6 $16.17 8/13/202127,200 shares $438.74 thousand -5.2%N/A0.7 $16.13 7/30/202128,700 shares $464.94 thousand -52.5%N/A0.7 $16.20 7/15/202160,400 shares $1.00 million -26.9%N/A1.4 $16.62 6/30/202182,600 shares $1.39 million -0.7%N/A1.8 $16.86 6/15/202183,200 shares $1.45 million +24.2%N/A1.7 $17.46 5/28/202167,000 shares $1.07 million +125.6%N/A1.4 $16.00 5/14/202129,700 shares $452.93 thousand -38.9%N/A0.6 $15.25 4/30/202148,600 shares $744.55 thousand +50.0%N/A0.9 $15.32 4/15/202132,400 shares $492.16 thousand -24.5%N/A0.6 $15.19 3/31/202142,900 shares $650.36 thousand +117.8%N/A0.8 $15.16 3/15/202119,700 shares $289.79 thousand +194.0%N/A0.4 $14.71 2/26/20216,700 shares $95.34 thousand -73.0%N/A0.1 $14.23 2/12/202124,800 shares $394.57 thousand -14.2%N/A0.5 $15.91 1/29/202128,900 shares $441.01 thousand +290.5%N/A0.6 $15.26 1/15/20217,400 shares $109.59 thousand -32.7%N/A0.1 $14.81 12/31/202011,000 shares $160.27 thousand -58.7%N/A0.2 $14.57 12/15/202026,600 shares $393.68 thousand -31.8%N/A0.6 $14.80 11/30/202039,000 shares $571.74 thousand +353.5%N/A0.9 $14.66 11/15/20208,600 shares $119.11 thousand -59.6%N/A0.2 $13.85 10/30/202021,300 shares $287.98 thousand -16.8%N/A0.5 $13.52 10/15/202025,600 shares $363.52 thousand -7.9%N/A0 $14.20 9/30/202027,800 shares $382.53 thousand +4.9%N/A0.6 $13.76 9/15/202028,800 shares $411.55 thousand +8.7%N/A0.6 $14.29 MUA Short Interest - Frequently Asked Questions What is BlackRock MuniAssets Fund's current short interest? Short interest is the volume of BlackRock MuniAssets Fund shares that have been sold short but have not yet been closed out or covered. As of August 31st, traders have sold 70,700 shares of MUA short. Learn More on BlackRock MuniAssets Fund's current short interest. What is a good short interest ratio for BlackRock MuniAssets Fund? 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. MUA shares currently have a short interest ratio of 1.0. Learn More on BlackRock MuniAssets Fund's short interest ratio. Is BlackRock MuniAssets Fund's short interest increasing or decreasing? BlackRock MuniAssets Fund saw a decline in short interest during the month of August. As of August 31st, there was short interest totaling 70,700 shares, a decline of 10.5% from the previous total of 79,000 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 BlackRock MuniAssets Fund's short interest compare to its competitors? Here is how the short interest of companies compare to BlackRock MuniAssets Fund: BlackRock MuniYield Quality Fund III, Inc. (0.11%), Amcor PLC (4.97%), Tri Continental Corporation (1.74%), General American Investors, Inc. (0.06%), INV VK MUN OPP (0.36%), Invvlu Mu Incm (0.25%), Western Asset Managed Municipals Fund, Inc. (0.10%), Inv Vk Tr Inv (0.37%), Inv Vk Mun Tr (0.17%), Invesco Quality Municipal Income Trust (0.43%), 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 ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 billion). View all of the most shorted stocks. What does it mean to sell short BlackRock MuniAssets Fund stock? Short selling MUA is an investing strategy that aims to generate trading profit from BlackRock MuniAssets Fund as its price is falling. MUA shares are trading up $0.24 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 BlackRock MuniAssets Fund? A short squeeze for BlackRock MuniAssets Fund 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 MUA, which in turn drives the price of the stock up even further. How often is BlackRock MuniAssets Fund'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 MUA, twice per month. The most recent reporting period available is August, 31 2025. 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