Go Pro
→ Ready to give options a try? Your first trade (Ticker included) -INSIDE (From Base Camp Trading) (Ad)tc pixel Free MUA Stock Alerts

BlackRock MuniAssets Fund (MUA) Short Interest Ratio & Short Volume

BlackRock MuniAssets Fund logo
$10.24 -0.11 (-1.02%)
Closing price 08/14/2026 03:59 PM Eastern
Extended Trading
$10.24 0.00 (0.00%)
As of 08/14/2026 04:10 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 Massive. Learn more.
Compare

BlackRock MuniAssets Fund Short Interest Overview

As of July 31, 2026, BlackRock MuniAssets Fund (MUA) had a short interest of 1.56 million shares sold short, representing 3.13% of the public float. This marks a 3,378.77% increase in short interest since the prior report. The short interest ratio (days to cover) is 4.4, meaning it would take 4.4 days of the average trading volume of 346,201 shares to cover all short positions.

Current Short Interest
1,559,566 shares
Previous Short Interest
44,831 shares
Change Vs. Previous Month
3,378.77%
Dollar Volume Sold Short
$15.78 million
Short Interest Ratio
4.4 Days to Cover
Last Record Date
July 31, 2026
Outstanding Shares
50,350,000 shares
Short Percent of Float
3.13%
Today's Trading Volume
182,590 shares
Average Trading Volume
346,201 shares
Today's Volume Vs. Average
53%
Short Selling BlackRock MuniAssets Fund?
A Guide To High-Short-Interest Stocks

Sign up to receive the latest short interest report for BlackRock MuniAssets Fund and its competitors with MarketBeat's FREE newsletter.

Get Report
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By 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. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Charts & View Short Interest History
Short Interest ChartDays to Cover ChartShort Percent of Float Chart

MUA Short Interest Over Time

MUA Days to Cover Over Time

MUA Percentage of Float Shorted Over Time

BlackRock MuniAssets Fund Tesla Short Interest History & Recent Changes

Export
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/31/20261,559,566 shares $15.78 million +3,378.8%3.1%4.42 $10.12
7/15/202644,831 shares $488.84 thousand +69.6%0.1%0.5 $10.90
6/30/202626,441 shares $290.19 thousand +70.1%0.1%0.19 $10.98
6/15/202615,544 shares $166.38 thousand -37.6%0.0%0.17 $10.70
5/29/202624,928 shares $268.55 thousand -56.1%0.1%0.25 $10.77
5/15/202656,832 shares $607.53 thousand +223.6%0.1%0.48 $10.69
4/30/202617,565 shares $184.82 thousand -26.3%0.0%0.18 $10.52
4/15/202623,836 shares $254.57 thousand -36.4%0.0%0.19 $10.68
3/31/202637,493 shares $395.18 thousand -17.7%0.1%0.35 $10.54
3/13/202645,559 shares $491.49 thousand +4.0%0.1%0.48 $10.79
2/27/202643,815 shares $485.47 thousand -75.1%0.1%0.54 $11.08
2/13/2026175,842 shares $1.96 million +69.9%0.4%1.77 $11.16
1/30/2026103,506 shares $1.14 million +117.2%0.2%1.07 $11.04
1/15/202647,662 shares $525.52 thousand +18.2%0.1%0.68 $11.03
12/31/202540,320 shares $429.81 thousand -33.7%0.1%0.19 $10.66
12/15/202560,847 shares $662.02 thousand +317.1%0.1%0.45 $10.88
11/28/202514,589 shares $155.08 thousand -48.6%0.0%0.12 $10.63
9/30/202583,800 shares $938.56 thousand -20.2%N/A0.8 $11.20
9/15/2025105,000 shares $1.22 million +48.5%N/A1 $11.64
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
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
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)

Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.tc pixel

Get the name and ticker of Louis Navellier's #1 AI stock free
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
Iran War Shock: What I Was Told In That Private Meeting (Ad)

You’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. Especially the reasons why we’re bombing the country.tc pixel

Because THIS is the real reason.
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

MUA Short Interest - Frequently Asked Questions

Short interest is the volume of BlackRock MuniAssets Fund shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 1,559,566 shares of MUA short. 3.13% of BlackRock MuniAssets Fund's shares are currently sold short. Learn More on BlackRock MuniAssets Fund's current short interest.

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 4.4. Learn More on BlackRock MuniAssets Fund's short interest ratio.

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. 3.13% of BlackRock MuniAssets Fund's floating shares are currently sold short.

BlackRock MuniAssets Fund saw a increase in short interest during the month of July. As of July 31st, there was short interest totaling 1,559,566 shares, an increase of 3,378.8% from the previous total of 44,831 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.

3.13% of BlackRock MuniAssets Fund's shares are currently sold short. Here is how the short interest of companies in the industry of "capital markets" compare to BlackRock MuniAssets Fund: Nuveen Municipal Value Fund, Inc. (0.23%), Tri Continental Corporation (1.65%), Liberty All-Star Equity Fund (0.08%), SRH Total Return Fund, Inc. (0.01%), Gabelli Equity Trust Inc. (0.23%), Sixth Street Specialty Lending, Inc. (6.87%), BlackRock MuniYield Quality Fund, Inc. (0.07%), BlackRock Capital Allocation Term Trust (1.12%), Trinity Capital Inc. (5.94%), General American Investors, Inc. (0.02%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.50 billion), Invesco QQQ ($50.36 billion), iShares Russell 2000 ETF ($21.20 billion), Western Digital Corporation ($13.40 billion), SPDR S&P Biotech ETF ($11.59 billion), Nebius Group N.V. ($11.46 billion), iShares 20+ Year Treasury Bond ETF ($7.84 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.51 billion), iShares Semiconductor ETF ($6.37 billion), and Financial Select Sector SPDR Fund ($6.34 billion). View all of the most shorted stocks.

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 down $0.11 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.

A short squeeze for BlackRock MuniAssets Fund 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 MUA, which in turn drives the price of the stock up even further.

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 July, 31 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like MUA:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


Related Companies
Short Interest Tools

Short interest data for NYSE:MUA is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 8/11/2026. FINRA publishes updated short interest twice a month.
From Our Partners
ALERT: Drop these 5 stocks before the market opens tomorrow!
The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...
Weiss Ratings | Sponsoredtc pixel
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside)
Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...
InvestorPlace | Sponsoredtc pixel
Ready to give options a try? Your first trade (Ticker included) -INSIDE
Tired of trying tactic after tactic when it comes to options trades... only to be met with market noise and st...
Base Camp Trading | Sponsoredtc pixel
Buy this stock today
Marc Chaikin, founder of Chaikin Analytics, is sharing a strategy he calls 'Sell This, Buy That' - a way to mo...
Chaikin Analytics | Sponsoredtc pixel
My top 3 AI picks for the next decade
Alexander Green bought Apple in 1996, recommended Nvidia at a split-adjusted 66 cents in 2004, and picked up A...
The Oxford Club | Sponsoredtc pixel
Here’s the stock symbol I’ve promised
Whitney Tilson of Stansberry Research has long recommended Berkshire Hathaway as a core retirement holding - b...
Stansberry Research | Sponsoredtc pixel
Small Colorado Company (Backed by Sam Altman) Could Save U.S. Power Grid
A small Colorado company has secured rights to technology that could prevent the U.S. public power grid from c...
Altimetry | Sponsoredtc pixel
Your book is inside
The "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. ...
Profits Run | Sponsoredtc pixel