Marker Therapeutics (MRKR) Short Interest Ratio & Short Volume $0.93 +0.03 (+3.45%) As of 01:35 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Marker Therapeutics Short Interest DataMarker Therapeutics (MRKR) has a short interest of 503,100 shares, representing 6.37% of the float (the number of shares available for trading by the public). This marks a 387.97% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.4, indicating that it would take 0.4 days of the average trading volume of 822,637 shares to cover all short positions.Current Short Interest503,100 sharesPrevious Short Interest103,100 sharesChange Vs. Previous Month+387.97%Dollar Volume Sold Short$704.34 thousandShort Interest Ratio0.4 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares12,940,000 sharesFloat Size7,900,000 sharesShort Percent of Float6.37%Today's Trading Volume467,942 sharesAverage Trading Volume822,637 sharesToday's Volume Vs. Average57% Short Selling Marker Therapeutics? Sign up to receive the latest short interest report for Marker Therapeutics 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMRKR Short Interest Over TimeMRKR Days to Cover Over TimeMRKR Percentage of Float Shorted Over Time Marker Therapeutics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025503,100 shares $704.34 thousand +388.0%6.4%0.4 $1.40 7/15/2025103,100 shares $161.87 thousand -16.0%1.3%0.1 $1.57 6/30/2025122,700 shares $187.73 thousand -29.2%1.6%1.1 $1.53 6/15/2025173,300 shares $277.28 thousand +46.0%2.2%1.7 $1.60 5/31/2025118,700 shares $184.01 thousand -6.5%1.5%1.1 $1.55 5/15/2025127,000 shares $143.51 thousand +0.2%1.6%1.2 $1.13 4/30/2025126,700 shares $150.77 thousand -35.8%1.6%1.1 $1.19 4/15/2025197,200 shares $230.72 thousand -50.7%2.6%1.6 $1.17 3/31/2025400,000 shares $492 thousand +7.4%5.4%3.1 $1.23 3/15/2025372,500 shares $460.04 thousand +170.1%5.0%2.9 $1.24 Get the Latest News and Ratings for MRKR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Marker Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 2/28/2025137,900 shares $210.99 thousand -7.9%1.9%1 $1.53 2/15/2025149,800 shares $257.66 thousand -35.5%2.1%1.9 $1.72 1/31/2025232,100 shares $427.06 thousand +20.0%3.0%3.2 $1.84 1/15/2025193,400 shares $531.85 thousand +74.6%2.5%3.1 $2.75 12/31/2024110,800 shares $344.59 thousand +32.5%1.6%1.8 $3.11 12/15/202483,600 shares $340.25 thousand +66.9%1.3%1.5 $4.07 11/30/202450,100 shares $175.35 thousand -12.1%0.8%1.4 $3.50 11/15/202457,000 shares $174.99 thousand -18.6%0.9%1.6 $3.07 10/31/202470,000 shares $283.50 thousand +14.2%1.1%1.9 $4.05 10/15/202461,300 shares $200.45 thousand +9.9%1.0%1.7 $3.27 9/30/202455,800 shares $157.36 thousand -13.9%0.9%2.2 $2.82 9/15/202464,800 shares $179.78 thousand -22.7%1.0%2.4 $2.77 8/31/202483,800 shares $302.52 thousand +3.3%1.3%2.7 $3.61 8/15/202481,100 shares $257.90 thousand -17.8%1.3%3 $3.18 7/31/202498,600 shares $482.15 thousand -2.2%1.5%4.4 $4.89 7/15/2024100,800 shares $561.46 thousand -14.0%1.6%4.7 $5.57 6/30/2024117,200 shares $636.40 thousand +25.6%1.8%5.9 $5.43 6/15/202493,300 shares $388.57 thousand +58.1%1.5%4.6 $4.16 5/31/202459,000 shares $228.33 thousand +17.1%0.9%3.5 $3.87 5/15/202450,400 shares $210.17 thousand -6.5%0.8%3 $4.17 4/30/202453,900 shares $218.30 thousand -16.3%0.8%3 $4.05 4/15/202464,400 shares $285.94 thousand -40.3%1.0%3.4 $4.44 3/31/2024107,900 shares $463.97 thousand -27.9%1.7%5.1 $4.30 3/15/2024149,700 shares $663.17 thousand -7.0%2.3%6 $4.43 2/29/2024160,900 shares $584.07 thousand -9.6%2.5%2 $3.63 2/15/2024177,900 shares $752.52 thousand +1.1%2.8%2.2 $4.23 1/31/2024175,900 shares $816.18 thousand -12.7%2.7%2.2 $4.64 1/15/2024201,400 shares $970.75 thousand -14.5%3.1%2.5 $4.82 12/31/2023235,500 shares $1.30 million -10.9%3.7%2.9 $5.50 12/15/2023264,300 shares $1.24 million +56.0%4.1%3.3 $4.70BREAKING: The House just passed 3 pro-crypto bills! 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Discover the under-the-radar project I believe will skyrocket as a result. 11/30/2023169,400 shares $467.54 thousand -18.1%2.7%2.3 $2.76 11/15/2023206,900 shares $577.25 thousand -3.9%3.2%5.6 $2.79 10/31/2023215,200 shares $516.48 thousand -7.8%3.4%4.6 $2.40 10/15/2023233,400 shares $772.55 thousand -10.0%3.7%2.7 $3.31 9/30/2023259,200 shares $1.18 million -16.5%4.1%2.2 $4.54 9/15/2023310,300 shares $1.66 million +65.8%4.9%2.2 $5.36 8/31/2023187,200 shares $1.05 million -11.3%3.0%0.9 $5.62 8/15/2023211,000 shares $1.24 million -23.1%3.3%0.3 $5.86 7/31/2023274,200 shares $1.38 million +43.3%4.4%0.3 $5.05 7/15/2023191,300 shares $1.01 million -41.1%3.0%0.2 $5.26 6/30/2023325,000 shares $1.01 million -28.8%5.2%0.4 $3.10 6/15/2023456,500 shares $1.13 million +478.6%7.2%0.6 $2.48 5/31/202378,900 shares $140.44 thousand -26.3%1.3%0.1 $1.78 5/15/2023107,000 shares $146.59 thousand -51.0%1.7%0.8 $1.37 4/30/2023218,400 shares $183.76 thousand +1,169.8%3.0%1.6 $0.84 4/15/202317,200 shares $18.92 thousand +91.1%0.2%0.2 $1.10 3/31/20239,000 shares $6.39 thousand -90.0%0.1%0.2 $0.71 3/15/202389,900 shares $178.00 thousand +37.5%1.2%1.7 $1.98 2/28/202365,400 shares $141.92 thousand +64.3%0.9%1.7 $2.17 2/15/202339,800 shares $89.95 thousand -18.3%0.6%1 $2.26 1/31/202348,700 shares $136.36 thousand -93.7%0.8%1.2 $2.80 1/15/2023767,400 shares $272.50 thousand +30.8%1.2%2.6 $0.36 12/30/2022586,600 shares $155.98 thousand -21.4%1.0%1.9 $0.27 12/15/2022745,800 shares $222.62 thousand -11.6%1.3%2.7 $0.30 11/30/2022843,800 shares $253.14 thousand -14.7%1.4%2.5 $0.30 11/15/2022989,100 shares $343.51 thousand -16.9%1.7%2 $0.35 10/31/20221,190,000 shares $528.00 thousand +21.5%2.0%2.2 $0.44 10/15/2022979,200 shares $381.89 thousand -16.3%1.7%0.5 $0.39 9/30/20221,170,000 shares $431.50 thousand -6.4%4.3%0.6 $0.37 9/15/20221,250,000 shares $573.13 thousand -9.4%4.6%0.6 $0.46 8/31/20221,380,000 shares $427.80 thousand -14.3%5.1%0.7 $0.31 8/15/20221,610,000 shares $643.03 thousand +87.8%5.9%0.9 $0.40 7/31/2022857,100 shares $273.41 thousand -23.5%3.1%0.5 $0.32 7/15/20221,120,000 shares $374.08 thousand +6.7%4.1%4.1 $0.33 6/30/20221,050,000 shares $346.50 thousand -13.2%3.9%3.5 $0.33 6/15/20221,210,000 shares $326.70 thousand -8.3%4.4%3.9 $0.27 5/31/20221,320,000 shares $398.64 thousand -10.2%2.3%3.9 $0.30 5/15/20221,470,000 shares $484.22 thousand No Change2.6%3.7 $0.33 4/30/20221,470,000 shares $498.33 thousand -2.7%2.6%3.2 $0.34 4/15/20221,510,000 shares $610.04 thousand +24.8%2.7%2.9 $0.40 3/31/20221,210,000 shares $532.40 thousand -42.1%2.2%1.7 $0.44 3/15/20222,090,000 shares $836 thousand +26.7%3.7%2.8 $0.40 2/28/20221,650,000 shares $620.57 thousand +3.8%2.9%2.2 $0.38 2/15/20221,590,000 shares $935.40 thousand -7.6%2.8%2.1 $0.59 1/31/20221,720,000 shares $1.04 million +84.6%3.0%2.4 $0.61 1/15/2022931,700 shares $753.09 thousand -9.5%1.7%1.4 $0.81 12/31/20211,030,000 shares $978.50 thousand +6.3%1.8%2.4 $0.95 12/15/2021968,900 shares $968.90 thousand -14.3%1.7%2.3 $1.00 11/30/20211,130,000 shares $1.33 million No Change2.0%3 $1.18 11/15/20211,130,000 shares $1.58 million -5.0%2.0%3.4 $1.40BREAKING: The House just passed 3 pro-crypto bills! 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Discover the under-the-radar project I believe will skyrocket as a result. 10/29/20211,190,000 shares $1.75 million No Change2.1%2.6 $1.47 10/15/20211,190,000 shares $1.89 million -8.5%2.1%2.5 $1.59 9/30/20211,300,000 shares $2.20 million -3.7%2.3%2.6 $1.69 9/15/20211,350,000 shares $2.46 million -3.6%2.4%2.2 $1.82 8/31/20211,400,000 shares $2.77 million -3.5%2.5%1.9 $1.98 8/13/20211,450,000 shares $2.77 million -1.4%2.6%1.5 $1.91 7/30/20211,470,000 shares $3.07 million +52.3%2.6%1.3 $2.09 7/15/2021965,500 shares $2.12 million -21.5%1.7%0.7 $2.20 6/30/20211,230,000 shares $3.43 million -47.0%2.2%0.8 $2.79 6/15/20212,320,000 shares $7.48 million -2.5%4.1%1.2 $3.23 5/28/20212,380,000 shares $6.93 million -11.5%4.2%0.6 $2.91 5/14/20212,690,000 shares $5.60 million -6.9%4.8%0.7 $2.08 4/30/20212,890,000 shares $7.75 million -7.4%5.2%0.8 $2.68 4/15/20213,120,000 shares $6.61 million -5.2%5.9%0.9 $2.12 3/31/20213,290,000 shares $7.11 million -5.7%9.2%1 $2.16 3/15/20213,490,000 shares $6.77 million +7.4%9.9%1.2 $1.94 2/26/20213,250,000 shares $8.00 million -3.9%10.0%5.5 $2.46 2/12/20213,380,000 shares $10.34 million +5.3%10.4%5.9 $3.06 1/29/20213,210,000 shares $5.78 million -4.5%9.8%6 $1.80 1/15/20213,360,000 shares $7.16 million No Change10.3%7.9 $2.13 MRKR Short Interest - Frequently Asked Questions What is Marker Therapeutics' current short interest? Short interest is the volume of Marker Therapeutics shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 503,100 shares of MRKR short. 6.37% of Marker Therapeutics' shares are currently sold short. Learn More on Marker Therapeutics' current short interest. What is a good short interest percentage for Marker Therapeutics? 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. 6.37% of Marker Therapeutics' floating shares are currently sold short. Is Marker Therapeutics' short interest increasing or decreasing? Marker Therapeutics saw a increase in short interest in July. As of July 31st, there was short interest totaling 503,100 shares, an increase of 388.0% from the previous total of 103,100 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. What is Marker Therapeutics' float size? Marker Therapeutics currently has issued a total of 12,940,000 shares. Some of Marker Therapeutics' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Marker Therapeutics currently has a public float of 7,900,000 shares. How does Marker Therapeutics' short interest compare to its competitors? 6.37% of Marker Therapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Marker Therapeutics: Coeptis Therapeutics Holdings, Inc. (2.53%), KALA BIO, Inc. (6.65%), MediciNova, Inc. (0.26%), Genenta Science S.p.A. Unsponsored ADR (0.05%), INmune Bio, Inc. (34.98%), Cue Biopharma, Inc. (1.28%), Immix Biopharma, Inc. (1.18%), Sol-Gel Technologies Ltd. (2.32%), Aligos Therapeutics, Inc. (8.51%), ALX Oncology Holdings Inc. (12.18%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short Marker Therapeutics stock? Short selling MRKR is an investing strategy that aims to generate trading profit from Marker Therapeutics as its price is falling. MRKR shares are trading up $0.03 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 Marker Therapeutics? A short squeeze for Marker Therapeutics 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 MRKR, which in turn drives the price of the stock up even further. How often is Marker Therapeutics' 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 MRKR, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies COEP Short Squeeze KALA Short Squeeze MNOV Short Squeeze GNTA Short Squeeze INMB Short Squeeze CUE Short Squeeze IMMX Short Squeeze SLGL Short Squeeze ALGS Short Squeeze ALXO Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:MRKR) was last updated on 8/29/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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