Marten Transport (MRTN) Short Interest Ratio & Short Volume $13.00 -0.23 (-1.74%) Closing price 04:00 PM EasternExtended Trading$13.00 0.00 (0.00%) As of 04:04 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 AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Marten Transport Short Interest DataMarten Transport (MRTN) has a short interest of 918,600 shares, representing 1.60% of the float (the number of shares available for trading by the public). This marks a -6.04% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.8, indicating that it would take 1.8 days of the average trading volume of 418,291 shares to cover all short positions.Current Short Interest918,600 sharesPrevious Short Interest977,600 sharesChange Vs. Previous Month-6.04%Dollar Volume Sold Short$11.99 millionShort Interest Ratio1.8 Days to CoverLast Record DateMay 31, 2025Outstanding Shares81,493,000 sharesFloat Size57,450,000 sharesShort Percent of Float1.60%Today's Trading Volume387,998 sharesAverage Trading Volume418,291 sharesToday's Volume Vs. Average93% Short Selling Marten Transport? Sign up to receive the latest short interest report for Marten Transport and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMRTN Short Interest Over TimeMRTN Days to Cover Over TimeMRTN Percentage of Float Shorted Over Time Marten Transport Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/2025918,600 shares $11.99 million -6.0%1.6%1.8 $13.05 5/15/2025977,600 shares $13.52 million -14.3%1.7%1.9 $13.83 4/30/20251,140,000 shares $14.64 million +6.5%2.0%2.2 $12.84 4/15/20251,070,000 shares $14.21 million +21.5%1.9%2.3 $13.28 3/31/2025881,000 shares $12.09 million -11.8%1.5%1.9 $13.72 3/15/2025998,700 shares $13.61 million +2.8%1.7%2.2 $13.63 2/28/2025971,500 shares $14.30 million +20.4%1.7%2.3 $14.72 2/15/2025807,000 shares $12.40 million -9.7%1.4%2 $15.36 1/31/2025893,600 shares $13.76 million +22.9%1.6%2.3 $15.40 1/15/2025727,200 shares $11.55 million +0.5%1.3%2 $15.88 Get the Latest News and Ratings for MRTN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Marten Transport and its competitors with MarketBeat's FREE daily newsletter. 12/31/2024723,700 shares $11.30 million -3.4%1.3%2 $15.61 12/15/2024749,300 shares $12.79 million +1.5%1.3%2.2 $17.07 11/30/2024738,300 shares $12.83 million -4.9%1.3%2.3 $17.38 11/15/2024776,300 shares $13.10 million -1.0%1.4%2.3 $16.88 10/31/2024784,300 shares $12.14 million +26.5%1.4%2.7 $15.48 10/15/2024620,200 shares $10.38 million +1.6%1.1%2 $16.73 9/30/2024610,300 shares $10.80 million -14.4%1.1%1.8 $17.70 9/15/2024712,800 shares $12.28 million -11.1%1.2%1.8 $17.23 8/31/2024801,400 shares $13.98 million +17.6%1.4%2 $17.45 8/15/2024681,300 shares $11.77 million -8.3%1.2%1.7 $17.28 7/31/2024743,200 shares $13.98 million -0.6%1.3%1.8 $18.81 7/15/2024747,600 shares $13.43 million -13.1%1.3%1.7 $17.96 6/30/2024859,800 shares $15.86 million +32.8%1.5%2 $18.45 6/15/2024647,500 shares $11.23 million -6.2%1.1%1.5 $17.34 5/31/2024690,100 shares $12.21 million -19.5%1.2%1.3 $17.70 5/15/2024857,400 shares $15.48 million +6.2%1.5%1.6 $18.06 4/30/2024807,500 shares $13.66 million +22.7%1.4%1.5 $16.92 4/15/2024658,200 shares $11.20 million +4.9%1.2%1.2 $17.01 3/31/2024627,700 shares $11.60 million -49.4%1.1%1.4 $18.48 3/15/20241,240,000 shares $23.05 million +18.1%2.2%2.9 $18.59 2/29/20241,050,000 shares $19.79 million +22.9%1.8%3.2 $18.85 2/15/2024854,200 shares $16.78 million -32.7%1.5%2.9 $19.64 1/31/20241,270,000 shares $23.50 million +6.7%2.2%4.3 $18.50 1/15/20241,190,000 shares $23.67 million -3.3%2.1%4.3 $19.89 12/31/20231,230,000 shares $25.81 million +3.4%2.1%4.5 $20.98 12/15/20231,190,000 shares $23.62 million +0.9%2.1%4.4 $19.85 11/30/20231,180,000 shares $22.24 million +18.0%2.1%4.5 $18.85 11/15/20231,000,000 shares $19 million -13.0%1.7%3.8 $19.00 10/31/20231,150,000 shares $20.22 million +10.6%2.0%4.3 $17.58 10/15/20231,040,000 shares $20.09 million -3.7%1.8%3.8 $19.32Elon’s BIGGEST warning yet? 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Click here to see why Tesla's about to prove everyone wrong... again. 9/30/20231,080,000 shares $21.29 million -7.7%1.9%3.8 $19.71 9/15/20231,170,000 shares $23.94 million -6.4%2.0%4 $20.46 8/31/20231,250,000 shares $26.25 million +6.8%2.2%3.9 $21.00 8/15/20231,170,000 shares $25.89 million +2.6%2.0%3.6 $22.13 7/31/20231,140,000 shares $25.83 million -0.9%2.0%3.4 $22.66 7/15/20231,150,000 shares $23.55 million +6.5%2.0%3.4 $20.48 6/30/20231,080,000 shares $23.22 million -19.4%1.9%3.3 $21.50 6/15/20231,340,000 shares $29.47 million -14.1%2.3%4.3 $21.99 5/31/20231,560,000 shares $32.99 million -1.3%2.7%5.2 $21.15 5/15/20231,580,000 shares $32.63 million -5.4%2.8%5.6 $20.65 4/30/20231,670,000 shares $33.72 million +16.8%2.9%6.1 $20.19 4/15/20231,430,000 shares $29.23 million -5.3%2.5%5.2 $20.44 3/31/20231,510,000 shares $31.63 million +11.0%2.6%5.7 $20.95 3/15/20231,360,000 shares $27.88 million -6.2%2.4%5.2 $20.50 2/28/20231,450,000 shares $32.00 million -9.4%2.5%5 $22.07 2/15/20231,600,000 shares $35.57 million -4.2%2.8%5.5 $22.23 1/31/20231,670,000 shares $36.89 million +3.1%2.9%5.7 $22.09 1/15/20231,620,000 shares $32.59 million +3.9%2.8%5.7 $20.12 12/30/20221,560,000 shares $30.86 million +6.1%2.7%4.9 $19.78 12/15/20221,470,000 shares $30.16 million +14.8%2.6%4.2 $20.52 11/30/20221,280,000 shares $27.28 million -25.6%2.2%3.6 $21.31 11/15/20221,720,000 shares $36.62 million -10.4%3.0%4.5 $21.29 10/31/20221,920,000 shares $36.04 million -8.1%3.4%4.7 $18.77 10/15/20222,090,000 shares $41.11 million -2.8%3.7%4.8 $19.67 9/30/20222,150,000 shares $41.19 million +3.4%3.8%4.8 $19.16 9/15/20222,080,000 shares $41.41 million -3.3%3.6%4.4 $19.91 8/31/20222,150,000 shares $42.59 million -10.8%3.8%4.7 $19.81 8/15/20222,410,000 shares $55.19 million +6.6%4.2%5.4 $22.90 7/31/20222,260,000 shares $48.73 million +13.0%3.9%5 $21.56 7/15/20222,000,000 shares $34.66 million +0.5%3.5%4.2 $17.33 6/30/20221,990,000 shares $33.47 million -6.6%3.4%4 $16.82 6/15/20222,130,000 shares $37.66 million +16.4%3.7%3.9 $17.68 5/31/20221,830,000 shares $32.13 million -5.2%3.2%3.5 $17.56 5/15/20221,930,000 shares $34.70 million +9.7%3.3%3.6 $17.98 4/30/20221,760,000 shares $30.59 million +2.9%3.0%3.5 $17.38 4/15/20221,710,000 shares $27.14 million -13.6%2.7%3.4 $15.87 3/31/20221,980,000 shares $35.16 million -1.0%3.1%4.5 $17.76 3/15/20222,000,000 shares $38.58 million +5.8%3.1%5.5 $19.29 2/28/20221,890,000 shares $32.60 million +9.3%2.9%5 $17.25 2/15/20221,730,000 shares $28.84 million +1.2%2.7%4.8 $16.67 1/31/20221,710,000 shares $28.54 million +14.8%2.7%5 $16.69 1/15/20221,490,000 shares $24.63 million +2.8%2.3%5 $16.53 12/31/20211,450,000 shares $24.88 million +31.8%2.3%4.6 $17.16 12/15/20211,100,000 shares $18.62 million -23.1%1.7%3.3 $16.93 11/30/20211,430,000 shares $22.99 million +2.9%2.2%4.8 $16.08 11/15/20211,390,000 shares $24.45 million +0.7%2.2%4.7 $17.59 10/29/20211,380,000 shares $22.95 million +5.3%2.2%4.6 $16.63 10/15/20211,310,000 shares $20.42 million -10.9%2.0%4.2 $15.59 9/30/20211,470,000 shares $23.06 million -10.4%2.3%4.7 $15.69 9/15/20211,640,000 shares $25.90 million -18.8%2.6%5 $15.79The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a 8/31/20212,020,000 shares $31.49 million +7.5%3.2%6.5 $15.59 8/13/20211,880,000 shares $28.46 million +1.1%2.9%5.5 $15.14 7/30/20211,860,000 shares $29.43 million +6.9%2.9%5.3 $15.82 7/15/20211,740,000 shares $29.25 million +10.8%2.7%4.8 $16.81 6/30/20211,570,000 shares $25.89 million -8.7%2.5%4.5 $16.49 6/15/20211,720,000 shares $29.27 million +6.2%2.7%5 $17.02 5/28/20211,620,000 shares $27.64 million -13.8%2.5%4.8 $17.06 5/14/20211,880,000 shares $32.75 million +4.4%N/A5.8 $17.42 4/30/20211,800,000 shares $30.46 million -12.6%N/A5.2 $16.92 4/15/20212,060,000 shares $36.32 million +7.3%N/A6 $17.63 3/31/20211,920,000 shares $32.89 million +8.5%N/A5.6 $17.13 3/15/20211,770,000 shares $30.39 million -10.6%N/A5.3 $17.17 2/26/20211,980,000 shares $32.45 million No ChangeN/A5.9 $16.39 2/12/20211,980,000 shares $34.23 million -2.5%N/A5.8 $17.29 1/29/20212,030,000 shares $32.58 million +7.4%N/A5.5 $16.05 1/15/20211,890,000 shares $33.09 million -1.6%N/A5.3 $17.51 12/31/20201,920,000 shares $32.83 million +26.3%N/A5.2 $17.10 12/15/20201,520,000 shares $25.79 million -5.6%N/A3.9 $16.97 11/30/20201,610,000 shares $28.64 million -3.6%N/A4 $17.79 11/15/20201,670,000 shares $29.64 million +15.2%N/A4.3 $17.75 10/30/20201,450,000 shares $22.39 million -3.3%N/A4.1 $15.44 10/15/20201,500,000 shares $25.82 million +15.4%N/A4.2 $17.21 9/30/20201,300,000 shares $21.22 million -6.5%N/A3.2 $16.32 9/15/20201,390,000 shares $24.59 million -2.8%N/A3.3 $17.69 8/31/20201,430,000 shares $25.97 million +20.2%N/A3.4 $18.16 8/14/20201,190,000 shares $22.13 million +17.8%N/A2.7 $18.60 7/31/20201,010,000 shares $17.92 million No Change2.6%3.5 $17.75 7/15/20201,010,000 shares $17.63 million +6.0%2.6%3.4 $17.46 6/30/2020952,800 shares $15.98 million +4.8%2.5%3.4 $16.77 6/15/2020909,500 shares $14.46 million -5.0%2.3%3.1 $15.90 MRTN Short Interest - Frequently Asked Questions What is Marten Transport's current short interest? Short interest is the volume of Marten Transport shares that have been sold short but have not yet been closed out or covered. As of May 31st, traders have sold 918,600 shares of MRTN short. 1.60% of Marten Transport's shares are currently sold short. Learn More on Marten Transport's current short interest. What is a good short interest ratio for Marten Transport? 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. MRTN shares currently have a short interest ratio of 2.0. Learn More on Marten Transport's short interest ratio. Which institutional investors are shorting Marten Transport? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Marten Transport: Jane Street Group LLC, and 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 Marten Transport? 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. 1.60% of Marten Transport's floating shares are currently sold short. Is Marten Transport's short interest increasing or decreasing? Marten Transport saw a decline in short interest in May. As of May 31st, there was short interest totaling 918,600 shares, a decline of 6.0% from the previous total of 977,600 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 Marten Transport's float size? Marten Transport currently has issued a total of 81,493,000 shares. Some of Marten Transport'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. Marten Transport currently has a public float of 57,450,000 shares. How does Marten Transport's short interest compare to its competitors? 1.60% of Marten Transport's shares are currently sold short. Here is how the short interest of companies compare to Marten Transport: Hertz Global Holdings, Inc (41.36%), Werner Enterprises, Inc. (7.83%), Heartland Express, Inc. (4.54%), FRP Holdings, Inc. (1.27%), Old Dominion Freight Line, Inc. (5.53%), J.B. Hunt Transport Services, Inc. (4.43%), Knight-Swift Transportation Holdings Inc. (4.51%), Saia, Inc. (6.52%), Ryder System, Inc. (3.33%), Landstar System, Inc. (3.79%), 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 Marten Transport stock? Short selling MRTN is an investing strategy that aims to generate trading profit from Marten Transport as its price is falling. MRTN shares are trading down $0.12 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 Marten Transport? A short squeeze for Marten Transport 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 MRTN, which in turn drives the price of the stock up even further. How often is Marten Transport'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 MRTN, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies HTZ Short Squeeze WERN Short Squeeze HTLD Short Squeeze FRPH Short Squeeze ODFL Short Squeeze JBHT Short Squeeze KNX Short Squeeze SAIA Short Squeeze R Short Squeeze LSTR 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:MRTN) was last updated on 6/13/2025 by MarketBeat.com Staff From Our PartnersElon’s NEXT Big IPO?Cancel your internet TODAY!? Take your latest internet bill and light it on fire… then count the seconds it...Banyan Hill Publishing | SponsoredAn AI run of epic proportions is only getting startedI just put together an urgent new presentation that you need to see right away. 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