Castor Maritime (CTRM) Short Interest Ratio & Short Volume $2.14 -0.01 (-0.47%) As of 03:56 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Castor Maritime Short Interest DataCastor Maritime (CTRM) has a short interest of 45,600 shares, representing 0.47% of the float (the number of shares available for trading by the public). This marks a -28.75% 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 55,030 shares to cover all short positions.Current Short Interest45,600 sharesPrevious Short Interest64,000 sharesChange Vs. Previous Month-28.75%Dollar Volume Sold Short$113.54 thousandShort Interest Ratio0.8 Days to CoverLast Record DateJune 15, 2025Outstanding Shares9,660,000 sharesFloat Size9,650,000 sharesShort Percent of Float0.47%Today's Trading Volume25,695 sharesAverage Trading Volume55,030 sharesToday's Volume Vs. Average47% Short Selling Castor Maritime? Sign up to receive the latest short interest report for Castor Maritime and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCTRM Short Interest Over TimeCTRM Days to Cover Over TimeCTRM Percentage of Float Shorted Over Time Castor Maritime Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/15/202545,600 shares $113.54 thousand -28.8%0.5%0.8 $2.49 5/31/202564,000 shares $140.16 thousand +8.1%0.7%1.1 $2.19 5/15/202559,200 shares $142.08 thousand -30.1%0.6%1.1 $2.40 4/30/202584,700 shares $182.11 thousand -17.6%0.9%1.6 $2.15 4/15/2025102,800 shares $225.75 thousand +48.6%1.1%2 $2.20 3/31/202569,200 shares $157.78 thousand +9.3%0.7%1.3 $2.28 3/15/202563,300 shares $155.09 thousand +84.6%0.7%1.2 $2.45 2/28/202534,300 shares $83.01 thousand -41.8%0.4%0.6 $2.42 2/15/202558,900 shares $156.67 thousand +26.4%0.6%1.1 $2.66 1/31/202546,600 shares $122.56 thousand +17.1%0.5%0.8 $2.63 Get the Latest News and Ratings for CTRM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Castor Maritime and its competitors with MarketBeat's FREE daily newsletter. 1/15/202539,800 shares $113.83 thousand +99.0%0.4%0.7 $2.86 12/31/202420,000 shares $55 thousand -71.5%0.2%0.3 $2.75 12/15/202470,200 shares $214.11 thousand -21.7%0.7%1.2 $3.05 11/30/202489,600 shares $321.66 thousand +18.7%0.9%1.6 $3.59 11/15/202475,500 shares $267.27 thousand +92.1%0.8%1.4 $3.54 10/31/202439,300 shares $152.09 thousand +46.6%0.4%0.8 $3.87 10/15/202426,800 shares $107.20 thousand +100.0%0.3%0.6 $4.00 9/30/202413,400 shares $56.55 thousand -46.4%0.1%0.3 $4.22 9/15/202425,000 shares $108 thousand -29.8%0.3%0.5 $4.32 8/31/202435,600 shares $161.62 thousand -30.2%0.4%0.7 $4.54 8/15/202451,000 shares $243.78 thousand -31.3%0.5%1 $4.78 7/31/202474,200 shares $400.68 thousand +30.2%0.8%1.2 $5.40 7/15/202457,000 shares $256.50 thousand +20.3%0.6%0.8 $4.50 6/30/202447,400 shares $218.04 thousand -33.3%0.5%0.7 $4.60 6/15/202471,100 shares $289.38 thousand -6.8%0.7%0.9 $4.07 5/31/202476,300 shares $354.03 thousand +39.5%0.8%1 $4.64 5/15/202454,700 shares $195.28 thousand -24.7%0.6%0.8 $3.57 4/30/202472,600 shares $227.24 thousand +15.8%0.8%1.2 $3.13 4/15/202462,700 shares $221.96 thousand +18.8%0.7%1.1 $3.54 3/31/202452,800 shares $181.63 thousand -89.8%0.6%0.9 $3.44 3/15/2024517,000 shares $2.12 million +3.4%N/A0.7 $4.10 2/29/2024499,800 shares $224.91 thousand -6.4%N/A0.7 $0.45 2/15/2024533,700 shares $233.76 thousand -39.0%N/A0.7 $0.44 1/31/2024875,400 shares $429.12 thousand +23.5%N/A1.1 $0.49 1/15/2024709,100 shares $358.52 thousand -4.4%N/A0.9 $0.51 12/31/2023741,600 shares $315.18 thousand -30.0%N/A1 $0.43 12/15/20231,060,000 shares $452.62 thousand +18.6%N/A2 $0.43 11/30/2023893,900 shares $301.60 thousand +2.1%N/A1.9 $0.34 11/15/2023875,200 shares $262.56 thousand -24.6%N/A2.3 $0.30 10/31/20231,160,000 shares $395.79 thousand +7.4%N/A3 $0.34The $7 company helping Nvidia build the world’s first trillion-dollar robot … (Ad)Michael Robinson has been at the forefront of the technology market for over 40 years. Spotting some profitable trends in tech … well ahead of Wall Street. Like when he called Nvidia at a mere 80 cents a share. Or Bitcoin when it was trading for just $300. Throughout his illustrious career … Michael has given his followers almost 150 different chances to register triple-digit gains.Now he's identified his next potential winner. Click here to find out more. 10/15/20231,080,000 shares $461.70 thousand +39.6%N/A2.5 $0.43 9/30/2023773,600 shares $338.06 thousand -18.3%N/A1.8 $0.44 9/15/2023947,000 shares $389.22 thousand -2.0%N/A2.3 $0.41 8/31/2023966,600 shares $396.31 thousand -26.2%N/A2.1 $0.41 8/15/20231,310,000 shares $631.16 thousand No ChangeN/A2.4 $0.48 7/31/20231,310,000 shares $609.15 thousand +3.2%N/A2.5 $0.47 7/15/20231,270,000 shares $568.71 thousand +18.7%N/A2.6 $0.45 6/30/20231,070,000 shares $480.43 thousand +0.9%N/A2 $0.45 6/15/20231,060,000 shares $462.16 thousand -30.3%N/A2 $0.44 5/31/20231,520,000 shares $689.62 thousand -6.8%N/A2.2 $0.45 5/15/20231,630,000 shares $1.04 million +9.4%N/A1.2 $0.64 4/30/20231,490,000 shares $1.02 million -19.0%N/A1.1 $0.68 4/15/20231,840,000 shares $1.53 million -14.0%N/A1.3 $0.83 3/31/20232,140,000 shares $1.69 million -10.5%N/A1.6 $0.79 3/15/20232,390,000 shares $1.66 million +106.0%N/A1.8 $0.70 2/28/20231,160,000 shares $1.53 million +3.6%N/A0.9 $1.32 2/15/20231,120,000 shares $1.50 million +0.9%N/A1.8 $1.34 1/31/20231,110,000 shares $1.35 million -8.3%N/A1.8 $1.22 1/15/20231,210,000 shares $1.48 million -37.6%N/A2 $1.22 12/30/20221,940,000 shares $2.17 million +54.0%N/A3.2 $1.12 12/15/20221,260,000 shares $1.49 million +3.3%N/A2 $1.18 11/30/20221,220,000 shares $2.00 million +22.1%N/A2 $1.64 11/15/2022999,000 shares $1.25 million -41.2%N/A1.7 $1.25 10/31/20221,700,000 shares $2.09 million -11.5%N/A2.9 $1.23 10/15/20221,920,000 shares $2.11 million +68.4%N/A3.1 $1.10 9/30/20221,140,000 shares $1.28 million -27.4%N/A1.7 $1.12 9/15/20221,570,000 shares $2.07 million +35.3%N/A2.3 $1.32 8/31/20221,160,000 shares $1.58 million -37.6%N/A1.5 $1.36 8/15/20221,860,000 shares $3.14 million -16.6%N/A2.2 $1.69 7/31/20222,230,000 shares $3.57 million +58.2%N/A2.2 $1.60 7/15/20221,410,000 shares $1.93 million -11.9%N/A1.2 $1.37 6/30/20221,600,000 shares $2.14 million -7.5%N/A0.9 $1.34 6/15/20221,730,000 shares $2.72 million -2.8%N/A0.9 $1.57 5/31/20221,780,000 shares $3.49 million -10.1%N/A0.9 $1.96 5/15/20221,980,000 shares $3.76 million -4.4%N/A0.9 $1.90 4/30/20222,070,000 shares $3.87 million -20.7%N/A0.7 $1.87 4/15/20222,610,000 shares $6.13 million +63.1%N/A0.9 $2.35 3/31/20221,600,000 shares $2.94 million -33.3%N/A0.7 $1.84 3/15/20222,400,000 shares $3.84 million +58.9%N/A1.1 $1.60 2/28/20221,510,000 shares $2.51 million -40.3%N/A0.7 $1.66 2/15/20222,530,000 shares $4.63 million +40.6%N/A1.1 $1.83 1/31/20221,800,000 shares $2.14 million +0.6%N/A0.9 $1.19 1/15/20221,790,000 shares $2.42 million -15.2%N/A0.9 $1.35 12/31/20212,110,000 shares $3.00 million -29.2%N/A1 $1.42 12/15/20212,980,000 shares $4.80 million +26.8%N/A1.2 $1.61 11/30/20212,350,000 shares $4.44 million -6.4%N/A0.7 $1.89 11/15/20212,510,000 shares $5.47 million -32.9%N/A0.7 $2.18 10/29/20213,740,000 shares $8.79 million -14.8%N/A1.1 $2.35 10/15/20214,390,000 shares $10.45 million +19.3%N/A1.1 $2.38 9/30/20213,680,000 shares $8.98 million +1.1%N/A0.9 $2.44The $7 company helping Nvidia build the world’s first trillion-dollar robot … (Ad)Michael Robinson has been at the forefront of the technology market for over 40 years. Spotting some profitable trends in tech … well ahead of Wall Street. Like when he called Nvidia at a mere 80 cents a share. Or Bitcoin when it was trading for just $300. Throughout his illustrious career … Michael has given his followers almost 150 different chances to register triple-digit gains.Now he's identified his next potential winner. Click here to find out more. 9/15/20213,640,000 shares $9.65 million -0.3%4.1%0.9 $2.65 8/31/20213,650,000 shares $8.40 million -15.3%4.1%0.9 $2.30 8/13/20214,310,000 shares $9.22 million -2.1%4.8%0.8 $2.14 7/30/20214,400,000 shares $9.15 million -5.0%4.9%0.7 $2.08 7/15/20214,630,000 shares $10.00 million +4.8%5.2%0.7 $2.16 6/30/20214,420,000 shares $11.51 million +36.4%4.9%0.5 $2.61 6/15/20213,240,000 shares $10.30 million -19.6%N/A0.3 $3.18 5/28/20214,030,000 shares $12.29 million -88.2%N/A0.4 $3.05 5/14/202134,240,000 shares $13.22 million +1.3%N/A0.3 $0.39 4/30/202133,790,000 shares $17.11 million +93.2%N/A0.3 $0.51 4/15/202117,490,000 shares $7.49 million +43.6%N/A0.1 $0.43 3/31/202112,180,000 shares $9.45 million +45.9%N/A0.1 $0.78 3/15/20218,350,000 shares $8.52 million -53.2%N/A0 $1.02 2/26/202117,840,000 shares $18.02 million -42.5%N/A0.1 $1.01 2/12/202131,020,000 shares $53.66 million -13.0%N/A0.2 $1.73 1/29/202135,670,000 shares $21.76 million +38.3%N/A0.3 $0.61 1/15/202125,790,000 shares $9.28 million +5,150.4%N/A0.3 $0.36 12/31/2020491,200 shares $114.35 thousand +68.9%N/A0 $0.23 12/15/2020290,900 shares $47.94 thousand -63.9%N/A0 $0.16 11/30/2020806,000 shares $128.56 thousand -48.0%N/A0.1 $0.16 11/15/20201,550,000 shares $206.46 thousand +76.1%N/A0.2 $0.13 10/30/2020880,100 shares $115.82 thousand +33.7%N/A0.1 $0.13 10/15/2020658,400 shares $108.97 thousand -34.2%N/A0.1 $0.17 9/30/20201,000,000 shares $154.10 thousand +57.0%N/A0.1 $0.15 9/15/2020636,900 shares $101.84 thousand +7,763.0%N/A0 $0.16 8/31/20208,100 shares $1.42 thousand -96.8%N/A0 $0.18 8/14/2020252,800 shares $43.58 thousand -33.3%N/A0 $0.17 7/31/2020378,800 shares $77.28 thousand -22.5%N/A0 $0.20 7/15/2020488,600 shares $128.01 thousand -1.0%N/A0 $0.26 6/30/2020493,500 shares $194.93 thousand +1,914.3%N/A0.1 $0.40 CTRM Short Interest - Frequently Asked Questions What is Castor Maritime's current short interest? Short interest is the volume of Castor Maritime shares that have been sold short but have not yet been closed out or covered. As of June 15th, investors have sold 45,600 shares of CTRM short. 0.47% of Castor Maritime's shares are currently sold short. Learn More on Castor Maritime's current short interest. What is a good short interest ratio for Castor Maritime? 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. CTRM shares currently have a short interest ratio of 1.0. Learn More on Castor Maritime's short interest ratio. Which institutional investors are shorting Castor Maritime? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Castor Maritime: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Castor Maritime? 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. 0.47% of Castor Maritime's floating shares are currently sold short. Is Castor Maritime's short interest increasing or decreasing? Castor Maritime saw a decrease in short interest in the month of June. As of June 15th, there was short interest totaling 45,600 shares, a decrease of 28.8% from the previous total of 64,000 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. What is Castor Maritime's float size? Castor Maritime currently has issued a total of 9,660,000 shares. Some of Castor Maritime's 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. Castor Maritime currently has a public float of 9,650,000 shares. How does Castor Maritime's short interest compare to its competitors? 0.47% of Castor Maritime's shares are currently sold short. Here is how the short interest of companies in the industry of "transportation" compare to Castor Maritime: Yatra Online, Inc. (0.11%), Air T, Inc. (2.84%), BEST Inc. (0.24%), ModivCare Inc. (20.37%), Toro Corp. (0.38%), Shengfeng Development Limited (0.47%), Mesa Air Group, Inc. (1.28%), Surf Air Mobility Inc. (12.10%), Pyxis Tankers Inc. (0.46%), Top Ships Inc. (4.83%), 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 ($69.26 billion), Invesco QQQ ($25.22 billion), iShares Russell 2000 ETF ($20.33 billion), iShares 20+ Year Treasury Bond ETF ($9.99 billion), MicroStrategy Incorporated ($9.12 billion), Canadian Natural Resources Limited ($6.73 billion), SPDR S&P Biotech ETF ($6.52 billion), Invesco S&P 500 Equal Weight ETF ($5.60 billion), Financial Select Sector SPDR Fund ($4.64 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.59 billion). View all of the most shorted stocks. What does it mean to sell short Castor Maritime stock? Short selling CTRM is an investing strategy that aims to generate trading profit from Castor Maritime as its price is falling. CTRM shares are trading down $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 Castor Maritime? A short squeeze for Castor Maritime 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 CTRM, which in turn drives the price of the stock up even further. How often is Castor Maritime'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 CTRM, twice per month. The most recent reporting period available is June, 15 2025. 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