MFS High Yield Municipal Trust (CMU) Short Interest Ratio & Short Volume $3.36 -0.02 (-0.45%) As of 03:29 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsDividendHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock MFS High Yield Municipal Trust Short Interest DataMFS High Yield Municipal Trust (CMU) has a short interest of 46,800 shares, representing 0.18% of the float (the number of shares available for trading by the public). This marks a -15.06% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.8, indicating that it would take 0.8 days of the average trading volume of 52,978 shares to cover all short positions.Current Short Interest46,800 sharesPrevious Short Interest55,100 sharesChange Vs. Previous Month-15.06%Dollar Volume Sold Short$156.55 thousandShort Interest Ratio0.8 Days to CoverLast Record DateMay 31, 2025Outstanding Shares25,493,000 sharesShort Percent of Float0.18%Today's Trading Volume3,741 sharesAverage Trading Volume52,978 sharesToday's Volume Vs. Average7% Short Selling MFS High Yield Municipal Trust? Sign up to receive the latest short interest report for MFS High Yield Municipal Trust and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCMU Short Interest Over TimeCMU Days to Cover Over TimeCMU Percentage of Float Shorted Over Time MFS High Yield Municipal 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 5/31/202546,800 shares $156.55 thousand -15.1%0.2%0.8 $3.35 5/15/202555,100 shares $185.14 thousand -11.3%0.2%1.1 $3.36 4/30/202562,100 shares $208.66 thousand +16.5%N/A1.2 $3.36 4/15/202553,300 shares $174.82 thousand -78.3%0.2%0.9 $3.28 3/31/2025245,400 shares $853.99 thousand -4.8%1.0%4.6 $3.48 3/15/2025257,700 shares $910.97 thousand +10.9%1.0%4.7 $3.54 2/28/2025232,400 shares $837.57 thousand -18.7%0.9%4 $3.60 2/15/2025285,800 shares $1.02 million -1.6%1.1%4.6 $3.56 1/31/2025290,300 shares $1.02 million -2.1%N/A4.3 $3.53 1/15/2025296,600 shares $1.04 million +27.6%N/A5.1 $3.51 Get the Latest News and Ratings for CMU and Related StocksEnter your email address below to receive the latest news and analysts' ratings for MFS High Yield Municipal Trust and its competitors with MarketBeat's FREE daily newsletter. 12/31/2024232,400 shares $818.05 thousand +42.8%N/A4.2 $3.52 12/15/2024162,800 shares $586.08 thousand +131.3%N/A2.6 $3.60 11/30/202470,400 shares $256.96 thousand +140.3%N/A1.2 $3.65 11/15/202429,300 shares $104.16 thousand -36.4%N/A0.5 $3.56 10/31/202446,100 shares $164.12 thousand +347.6%N/A0.9 $3.56 10/15/202410,300 shares $37.44 thousand +98.1%N/A0.2 $3.64 9/30/20245,200 shares $19.06 thousand -10.3%N/A0.1 $3.67 9/15/20245,800 shares $21.20 thousand -63.8%N/A0.1 $3.66 8/31/202416,000 shares $57.12 thousand -13.0%N/A0.4 $3.57 8/15/202418,400 shares $64.95 thousand -12.4%N/A0.5 $3.53 7/31/202421,000 shares $74.34 thousand +42.9%N/A0.5 $3.54 7/15/202414,700 shares $51.74 thousand +93.4%N/A0.3 $3.52 6/30/20247,600 shares $26.07 thousand -24.8%N/A0.2 $3.43 6/15/202410,100 shares $34.54 thousand -11.4%N/A0.2 $3.42 5/31/202411,400 shares $37.34 thousand -4.2%N/A0.2 $3.28 5/15/202411,900 shares $39.63 thousand -71.4%N/A0.2 $3.33 4/30/202441,600 shares $134.58 thousand +132.4%N/A0.7 $3.24 4/15/202417,900 shares $58.09 thousand -63.8%N/A0.3 $3.25 3/31/202449,500 shares $164.84 thousand +41.4%N/A0.7 $3.33 3/15/202435,000 shares $116.03 thousand -12.1%N/A0.4 $3.32 2/29/202439,800 shares $130.54 thousand +0.8%N/A0.4 $3.28 2/15/202439,500 shares $130.75 thousand -0.3%N/A0.4 $3.31 1/31/202439,600 shares $130.68 thousand +4.8%N/A0.4 $3.30 1/15/202437,800 shares $125.12 thousand +7.4%N/A0.4 $3.31 12/31/202335,200 shares $116.51 thousand -24.6%N/A0.4 $3.31 12/15/202346,700 shares $152.94 thousand +0.7%N/A0.5 $3.28 11/30/202346,400 shares $146.62 thousand -55.2%N/A0.6 $3.16 11/15/2023103,500 shares $313.61 thousand -28.8%N/A1.4 $3.03 10/31/2023145,300 shares $415.56 thousand -24.7%N/A2 $2.86 10/15/2023192,900 shares $594.13 thousand -40.3%N/A2.6 $3.08The DOJ Just Paved the Way for Account Seizures (Ad)Washington is running out of money…And guess where they'll look next? When governments go broke, they take from the people. It's happened before, and it's happening again. The Department of Justice just admitted that cash isn't legally YOUR property.Get your free guide now by clicking here >> 9/30/2023323,200 shares $1.01 million -7.0%N/A4.1 $3.13 9/15/2023347,600 shares $1.13 million -0.5%N/A4.6 $3.25 8/31/2023349,200 shares $1.17 million +25.4%N/A4.8 $3.34 8/15/2023278,500 shares $919.05 thousand +57.6%N/A3.5 $3.30 7/31/2023176,700 shares $595.48 thousand +95.0%N/A2.1 $3.37 7/15/202390,600 shares $295.36 thousand +40.3%N/A1.2 $3.26 6/30/202364,600 shares $208.01 thousand +64.4%N/A1.1 $3.22 6/15/202339,300 shares $125.76 thousand -65.5%N/A0.6 $3.20 5/31/2023113,800 shares $356.19 thousand +172.9%N/A1.8 $3.13 5/15/202341,700 shares $134.69 thousand +334.4%N/A0.8 $3.23 4/30/20239,600 shares $30.62 thousand -56.4%N/A0.2 $3.19 4/15/202322,000 shares $71.06 thousand +7.8%N/A0.4 $3.23 3/31/202320,400 shares $65.48 thousand +3.6%N/A0.3 $3.21 3/15/202319,700 shares $61.86 thousand -10.9%N/A0.2 $3.14 2/28/202322,100 shares $70.50 thousand +281.0%N/A0.2 $3.19 2/15/20235,800 shares $18.97 thousand -55.4%N/A0.1 $3.27 1/31/202313,000 shares $43.68 thousand -36.6%N/A0.1 $3.36 1/15/202320,500 shares $66.83 thousand +201.5%N/A0.2 $3.26 12/30/20226,800 shares $21.28 thousand -83.2%N/A0.1 $3.13 12/15/202240,500 shares $128.79 thousand +120.1%N/A0.4 $3.18 11/30/202218,400 shares $58.88 thousand -50.5%N/A0.2 $3.20 11/15/202237,200 shares $112.72 thousand -31.7%N/A0.4 $3.03 10/31/202254,500 shares $157.51 thousand +209.7%N/A0.7 $2.89 10/15/202217,600 shares $52.80 thousand No ChangeN/A0.2 $3.00 9/30/202226,600 shares $80.07 thousand +166.0%N/A0.3 $3.01 9/15/202210,000 shares $32.10 thousand -61.2%N/A0.1 $3.21 8/31/202225,800 shares $86.43 thousand +290.9%N/A0.3 $3.35 8/15/20226,600 shares $23.63 thousand -67.5%N/A0.1 $3.58 7/31/202220,300 shares $73.28 thousand -14.4%N/A0.2 $3.61 7/15/202223,700 shares $82.71 thousand -17.4%N/A0.2 $3.49 6/30/202228,700 shares $96.43 thousand +170.8%N/A0.2 $3.36 6/15/202210,600 shares $34.34 thousand -6.2%N/A0.1 $3.24 5/31/202211,300 shares $41.58 thousand +175.6%N/A0.1 $3.68 5/15/20224,100 shares $13.90 thousand -64.4%N/A0 $3.39 4/30/202211,500 shares $40.25 thousand -41.9%N/A0.1 $3.50 4/15/202219,800 shares $71.68 thousand -20.2%N/A0.2 $3.62 3/31/202224,800 shares $95.98 thousand +4,860.0%N/A0.3 $3.87 3/15/2022500 shares $1.94 thousand -94.6%N/A0 $3.88 2/28/20229,300 shares $38.04 thousand -65.4%N/A0.1 $4.09 2/15/202226,900 shares $108.68 thousand +12.1%N/A0.4 $4.04 1/31/202224,000 shares $101.76 thousand +269.2%N/A0.4 $4.24 1/15/20226,500 shares $28.54 thousand +103.1%N/A0.1 $4.39 12/31/20213,200 shares $14.46 thousand -5.9%N/A0.1 $4.52 12/15/20213,400 shares $15.33 thousand +6.3%N/A0.1 $4.51 11/30/20213,200 shares $14.53 thousand +39.1%N/A0.1 $4.54 11/15/20212,300 shares $10.49 thousand -78.9%N/A0 $4.56 10/29/202110,900 shares $48.72 thousand +990.0%N/A0.2 $4.47 10/15/20211,000 shares $4.54 thousand -91.3%N/A0 $4.54 9/30/202111,500 shares $52.79 thousand -19.6%N/A0.3 $4.59 9/15/202114,300 shares $68.07 thousand +297.2%N/A0.4 $4.76The DOJ Just Paved the Way for Account Seizures (Ad)Washington is running out of money…And guess where they'll look next? When governments go broke, they take from the people. It's happened before, and it's happening again. The Department of Justice just admitted that cash isn't legally YOUR property.Get your free guide now by clicking here >> 8/31/20213,600 shares $17.46 thousand -35.7%N/A0.1 $4.85 8/13/20215,600 shares $26.77 thousand +5.7%N/A0.1 $4.78 7/30/20215,300 shares $25.23 thousand +179.0%N/A0.1 $4.76 7/15/20211,900 shares $8.97 thousand -5.0%N/A0 $4.72 6/30/20212,000 shares $9.50 thousand -95.4%N/A0 $4.75 6/15/202143,500 shares $203.58 thousand +101.4%N/A0.8 $4.68 5/28/202121,600 shares $103.03 thousand +70.1%N/A0.4 $4.77 5/14/202112,700 shares $59.82 thousand +36.6%N/A0.2 $4.71 4/30/20219,300 shares $43.52 thousand -72.1%N/A0.1 $4.68 4/15/202133,300 shares $152.85 thousand +106.8%N/A0.4 $4.59 3/31/202116,100 shares $71.81 thousand +6.6%N/A0.2 $4.46 3/15/202115,100 shares $67.95 thousand -55.9%N/A0.2 $4.50 2/26/202134,200 shares $151.85 thousand +194.8%N/A0.4 $4.44 2/12/202111,600 shares $54.75 thousand -18.3%N/A0.1 $4.72 1/29/202114,200 shares $63.62 thousand -64.3%N/A0.2 $4.48 1/15/202139,800 shares $177.11 thousand +552.5%N/A0.5 $4.45 12/31/20206,100 shares $26.47 thousand -35.8%N/A0.1 $4.34 12/15/20209,500 shares $42.18 thousand +2,275.0%N/A0.2 $4.44 11/30/2020400 shares $1.74 thousand -97.0%N/A0 $4.35 11/15/202013,200 shares $56.50 thousand +76.0%N/A0.2 $4.28 10/30/20207,500 shares $31.35 thousand +97.4%N/A0.1 $4.18 10/15/20203,800 shares $16.04 thousand -73.2%N/A0 $4.22 9/30/202014,200 shares $59.64 thousand +108.8%N/A0.3 $4.20 9/15/202017,300 shares $73.87 thousand +154.4%N/A0.3 $4.27 8/31/20206,800 shares $28.97 thousand -26.9%N/A0.1 $4.26 8/14/20209,300 shares $40.73 thousand -53.7%N/A0.2 $4.38 7/31/202020,100 shares $87.64 thousand -30.7%N/A0.3 $4.36 7/15/202029,000 shares $122.67 thousand +229.6%N/A0.4 $4.23 6/30/20208,800 shares $35.73 thousand -86.0%N/A0.1 $4.06 6/15/202062,700 shares $266.48 thousand +85.5%N/A0.7 $4.25 CMU Short Interest - Frequently Asked Questions What is MFS High Yield Municipal Trust's current short interest? Short interest is the volume of MFS High Yield Municipal Trust shares that have been sold short but have not yet been covered or closed out. As of May 31st, investors have sold 46,800 shares of CMU short. 0.18% of MFS High Yield Municipal Trust's shares are currently sold short. Learn More on MFS High Yield Municipal Trust's current short interest. What is a good short interest ratio for MFS High Yield Municipal Trust? 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. CMU shares currently have a short interest ratio of 1.0. Learn More on MFS High Yield Municipal Trust's short interest ratio. What is a good short interest percentage for MFS High Yield Municipal Trust? 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. 0.18% of MFS High Yield Municipal Trust's floating shares are currently sold short. Is MFS High Yield Municipal Trust's short interest increasing or decreasing? MFS High Yield Municipal Trust saw a drop in short interest in the month of May. As of May 31st, there was short interest totaling 46,800 shares, a drop of 15.1% from the previous total of 55,100 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 MFS High Yield Municipal Trust's short interest compare to its competitors? 0.18% of MFS High Yield Municipal Trust's shares are currently sold short. Here is how the short interest of companies in the industry of "financial services" compare to MFS High Yield Municipal Trust: Japan Smaller Capitalization Fund, Inc. (0.14%), BlackRock MuniYield Michigan Quality Fund, Inc. (0.32%), Liberty All-Star Growth Fund, Inc. (0.31%), MFS Intermediate Income Trust (0.17%), TriplePoint Venture Growth BDC Corp. (5.20%), BlackRock MuniHoldings New York Quality Fund, Inc. (0.03%), Nuveen California Municipal Value Fund (0.18%), BNY Mellon Strategic Municipal Bond Fund, Inc. (0.16%), Morgan Stanley India Investment Fund, Inc. (0.16%), The Taiwan Fund, Inc. (0.10%), 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 ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks. What does it mean to sell short MFS High Yield Municipal Trust stock? Short selling CMU is an investing strategy that aims to generate trading profit from MFS High Yield Municipal Trust as its price is falling. CMU shares are trading down $0.02 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 MFS High Yield Municipal Trust? A short squeeze for MFS High Yield Municipal Trust 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 CMU, which in turn drives the price of the stock up even further. How often is MFS High Yield Municipal 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 CMU, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies Japan Smaller Capitalization Fund Short Interest Data BlackRock MuniYield Michigan Quality Fund Short Interest Data Liberty All-Star Growth Fund Short Interest Data MFS Intermediate Income Trust Short Interest Data TriplePoint Venture Growth BDC Short Interest Data BlackRock MuniHoldings New York Quality Fund Short Interest Data Nuveen California Municipal Value Fund Short Interest Data BNY Mellon Strategic Municipal Bond Fund Short Interest Data Morgan Stanley India Investment Fund Short Interest Data The Taiwan Fund 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 (NYSE:CMU) was last updated on 6/13/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? 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