Kirby (KEX) Short Interest Ratio & Short Volume $112.22 -0.36 (-0.32%) As of 10:19 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Kirby Short Interest DataKirby (KEX) has a short interest of 2.18 million shares, representing 3.92% of the float (the number of shares available for trading by the public). This marks a 37.11% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.9, indicating that it would take 3.9 days of the average trading volume of 594,043 shares to cover all short positions.Current Short Interest2,180,000 sharesPrevious Short Interest1,590,000 sharesChange Vs. Previous Month+37.11%Dollar Volume Sold Short$241.15 millionShort Interest Ratio3.9 Days to CoverLast Record DateMay 31, 2025Outstanding Shares56,100,000 sharesFloat Size55,670,000 sharesShort Percent of Float3.92%Today's Trading Volume39,962 sharesAverage Trading Volume594,043 sharesToday's Volume Vs. Average7% Short Selling Kirby? Sign up to receive the latest short interest report for Kirby and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartKEX Short Interest Over TimeKEX Days to Cover Over TimeKEX Percentage of Float Shorted Over Time Kirby Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/20252,180,000 shares $241.15 million +37.1%3.9%3.9 $110.62 5/15/20251,590,000 shares $173.53 million +37.1%2.9%2.8 $109.14 4/30/20251,160,000 shares $111.62 million -4.9%2.1%2 $96.22 4/15/20251,220,000 shares $116.78 million -24.2%2.2%2 $95.72 3/31/20251,610,000 shares $162.78 million +4.6%2.9%2.5 $101.11 3/15/20251,540,000 shares $152.54 million +2.7%2.7%2.3 $99.05 2/28/20251,500,000 shares $156.29 million No Change2.7%2.3 $104.19 2/15/20251,500,000 shares $162.70 million +20.0%2.7%2.4 $108.47 1/31/20251,250,000 shares $136.42 million +0.8%2.2%2 $109.13 1/15/20251,240,000 shares $134.75 million +31.8%2.2%2.2 $108.67 Get the Latest News and Ratings for KEX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Kirby and its competitors with MarketBeat's FREE daily newsletter. 12/31/2024940,700 shares $99.53 million +56.8%1.7%1.8 $105.80 12/15/2024599,900 shares $70.46 million -16.3%1.1%1.2 $117.45 11/30/2024716,800 shares $90.68 million -10.1%1.3%1.6 $126.51 11/15/2024797,100 shares $102.07 million -9.7%1.4%1.8 $128.05 10/31/2024882,800 shares $101.31 million -4.9%1.5%2 $114.76 10/15/2024928,600 shares $112.59 million +14.3%1.6%2.1 $121.25 9/30/2024812,500 shares $99.47 million -1.0%1.4%1.7 $122.43 9/15/2024820,500 shares $97.66 million +7.9%1.4%1.6 $119.03 8/31/2024760,400 shares $91.19 million -3.5%1.3%1.5 $119.92 8/15/2024788,300 shares $93.30 million +7.3%1.4%1.5 $118.36 7/31/2024734,700 shares $90.28 million -9.0%1.3%1.4 $122.88 7/15/2024807,400 shares $99.93 million -4.3%1.4%1.5 $123.77 6/30/2024843,800 shares $101.03 million -8.5%1.5%1.7 $119.73 6/15/2024922,200 shares $107.08 million +5.4%1.6%1.8 $116.11 5/31/2024874,700 shares $108.53 million -8.5%1.5%1.9 $124.08 5/15/2024955,600 shares $110.91 million -7.2%1.7%2.1 $116.06 4/30/20241,030,000 shares $112.40 million -1.0%1.8%2.3 $109.13 4/15/20241,040,000 shares $101.03 million -5.5%1.8%2.6 $97.14 3/31/20241,100,000 shares $104.85 million -2.7%1.9%2.8 $95.32 3/15/20241,130,000 shares $99.90 million +9.7%2.0%3 $88.41 2/29/20241,030,000 shares $90.30 million -6.4%1.8%2.7 $87.67 2/15/20241,100,000 shares $94.74 million +8.9%1.9%2.8 $86.13 1/31/20241,010,000 shares $79.45 million -10.6%1.7%2.6 $78.66 1/15/20241,130,000 shares $86.65 million +10.8%1.9%2.9 $76.68 12/31/20231,020,000 shares $80.05 million -3.8%1.7%2.7 $78.48 12/15/20231,060,000 shares $81.97 million -10.2%1.8%2.8 $77.33 11/30/20231,180,000 shares $90.58 million +1.7%2.0%3.1 $76.76 11/15/20231,160,000 shares $88.55 million -2.5%2.0%3.2 $76.34 10/31/20231,190,000 shares $88.89 million -6.3%2.0%3.4 $74.70 10/15/20231,270,000 shares $103.82 million +5.8%2.2%3.7 $81.75Utah’s New Oil Find (Ad)The Real Reason 218,000 Acres Just Vanished The government just quietly leased 218,000 acres in the middle of the Utah's Black Desert. Why? Not for oil discovery. Or uranium or solar. Instead, what’s happening beneath this patch of sand is the discovery of a new kind of energy. Google, Buffett, and a even tech billionaires like Gates, Bezos, and Zuckerberg are grabbing a stake.Find out why this could be the most lucrative "underground" energy story in America 9/30/20231,200,000 shares $99.36 million -12.4%2.0%3.5 $82.80 9/15/20231,370,000 shares $116.37 million +15.1%2.3%4 $84.94 8/31/20231,190,000 shares $98.57 million +9.2%2.0%3.7 $82.83 8/15/20231,090,000 shares $88.04 million +14.2%1.9%3.4 $80.77 7/31/2023954,800 shares $77.80 million -20.4%1.6%2.9 $81.48 7/15/20231,200,000 shares $90.42 million -7.0%2.0%3.7 $75.35 6/30/20231,290,000 shares $99.30 million -7.2%2.2%4 $76.98 6/15/20231,390,000 shares $104.03 million -4.1%2.3%4.4 $74.84 5/31/20231,450,000 shares $103.70 million +2.8%2.5%4.4 $71.52 5/15/20231,410,000 shares $99.91 million +19.5%2.4%4.3 $70.86 4/30/20231,180,000 shares $84.77 million -7.8%2.0%3.6 $71.84 4/15/20231,280,000 shares $88.93 million +0.8%2.2%3.7 $69.48 3/31/20231,270,000 shares $88.52 million -3.1%2.1%3.5 $69.70 3/15/20231,310,000 shares $88.71 million -9.0%2.2%3.5 $67.72 2/28/20231,440,000 shares $104.44 million +4.4%2.4%3.9 $72.53 2/15/20231,380,000 shares $101.65 million +7.0%2.3%3.7 $73.66 1/31/20231,290,000 shares $91.31 million -3.7%2.2%3.3 $70.78 1/15/20231,340,000 shares $84.98 million -2.2%2.3%3.5 $63.42 12/30/20221,370,000 shares $88.16 million +4.6%2.3%3.6 $64.35 12/15/20221,310,000 shares $83.33 million -13.8%2.2%3.4 $63.61 11/30/20221,520,000 shares $106.08 million -4.4%2.6%3.9 $69.79 11/15/20221,590,000 shares $108.95 million -16.3%2.7%4.1 $68.52 10/31/20221,900,000 shares $132.53 million -1.6%3.2%5.2 $69.75 10/15/20221,930,000 shares $124.31 million -0.5%3.3%5.2 $64.41 9/30/20221,940,000 shares $117.89 million -1.5%3.3%5.8 $60.77 9/15/20221,970,000 shares $132.17 million +11.9%3.3%5.7 $67.09 8/31/20221,760,000 shares $118.03 million -5.4%3.0%4.8 $67.06 8/15/20221,860,000 shares $124.08 million -8.4%3.1%4.9 $66.71 7/31/20222,030,000 shares $128.78 million +10.3%3.8%5 $63.44 7/15/20221,840,000 shares $106.26 million -9.8%3.5%4.3 $57.75 6/30/20222,040,000 shares $124.11 million +15.9%3.8%4.2 $60.84 6/15/20221,760,000 shares $112.78 million +4.1%3.3%3.5 $64.08 5/31/20221,690,000 shares $114.13 million +0.6%2.8%3.2 $67.53 5/15/20221,680,000 shares $105.84 million +22.6%2.8%3 $63.00 4/30/20221,370,000 shares $89.32 million -1.4%2.3%2.4 $65.20 4/15/20221,390,000 shares $92.53 million -19.2%2.3%2.4 $66.57 3/31/20221,720,000 shares $124.17 million +6.2%2.9%3 $72.19 3/15/20221,620,000 shares $110.31 million -1.2%2.7%2.9 $68.09 2/28/20221,640,000 shares $106.85 million -7.9%2.8%3 $65.15 2/15/20221,780,000 shares $116.15 million -16.8%3.0%3.6 $65.25 1/31/20222,140,000 shares $139.49 million +22.3%3.6%4.7 $65.18 1/15/20221,750,000 shares $117.13 million +7.4%2.9%4 $66.93 12/31/20211,630,000 shares $96.85 million -4.7%2.7%3.8 $59.42 12/15/20211,710,000 shares $99.11 million -1.7%2.9%4.2 $57.96 11/30/20211,740,000 shares $90.86 million +4.2%2.9%4.4 $52.22 11/15/20211,670,000 shares $97.49 million +24.6%2.8%4.5 $58.38 10/29/20211,340,000 shares $70.23 million -3.6%2.3%3.1 $52.41 10/15/20211,390,000 shares $75.92 million +21.9%2.3%3.4 $54.62 9/30/20211,140,000 shares $54.67 million -2.6%1.9%2.8 $47.96 9/15/20211,170,000 shares $62.19 million -3.3%2.0%2.9 $53.15Utah’s New Oil Find (Ad)The Real Reason 218,000 Acres Just Vanished The government just quietly leased 218,000 acres in the middle of the Utah's Black Desert. Why? Not for oil discovery. Or uranium or solar. Instead, what’s happening beneath this patch of sand is the discovery of a new kind of energy. Google, Buffett, and a even tech billionaires like Gates, Bezos, and Zuckerberg are grabbing a stake.Find out why this could be the most lucrative "underground" energy story in America 8/31/20211,210,000 shares $64.84 million -21.4%2.0%3.1 $53.59 8/13/20211,540,000 shares $88.95 million -12.5%2.6%3.8 $57.76 7/30/20211,760,000 shares $101.92 million -14.2%3.0%4.7 $57.91 7/15/20212,050,000 shares $118.39 million +14.5%3.5%5.3 $57.75 6/30/20211,790,000 shares $108.55 million -8.7%3.0%4.7 $60.64 6/15/20211,960,000 shares $131.57 million +1.0%3.3%5.3 $67.13 5/28/20211,940,000 shares $126.74 million -2.0%3.3%5.3 $65.33 5/14/20211,980,000 shares $135.12 million +1.5%3.3%5.2 $68.24 4/30/20211,950,000 shares $123.73 million -14.5%3.3%4.9 $63.45 4/15/20212,280,000 shares $142.29 million -14.0%3.8%5.5 $62.41 3/31/20212,650,000 shares $167.82 million -7.0%4.5%6.3 $63.33 3/15/20212,850,000 shares $196.17 million +15.9%4.8%6.7 $68.83 2/26/20212,460,000 shares $156.38 million +12.3%4.1%5.5 $63.57 2/12/20212,190,000 shares $131.62 million +22.4%3.7%4.5 $60.10 1/29/20211,790,000 shares $93.67 million -7.7%3.0%3.3 $52.33 1/15/20211,940,000 shares $112.60 million -1.0%3.3%3.4 $58.04 12/31/20201,960,000 shares $102.47 million +2.1%3.3%3.3 $52.28 12/15/20201,920,000 shares $99.84 million +18.5%3.2%2.9 $52.00 11/30/20201,620,000 shares $85.03 million -33.1%2.7%2.2 $52.49 11/15/20202,420,000 shares $109.09 million +3.4%4.1%3.1 $45.08 10/30/20202,340,000 shares $88.80 million +2.2%3.9%3.1 $37.95 10/15/20202,290,000 shares $89.65 million +15.7%3.9%3.2 $39.15 9/30/20201,980,000 shares $71.62 million -2.9%3.3%2.8 $36.17 9/15/20202,040,000 shares $76.34 million -9.3%3.4%3.1 $37.42 8/31/20202,250,000 shares $95.49 million +23.0%3.8%3.7 $42.44 8/14/20201,830,000 shares $88.92 million -9.0%3.1%3.4 $48.59 7/31/20202,010,000 shares $92.94 million -2.4%3.6%3.8 $46.24 7/15/20202,060,000 shares $95.73 million -1.0%3.7%4 $46.47 6/30/20202,080,000 shares $111.24 million +26.1%3.7%4 $53.48 6/15/20201,650,000 shares $88.92 million -9.8%3.0%2.9 $53.89 KEX Short Interest - Frequently Asked Questions What is Kirby's current short interest? Short interest is the volume of Kirby shares that have been sold short but have not yet been covered or closed out. As of May 31st, traders have sold 2,180,000 shares of KEX short. 3.92% of Kirby's shares are currently sold short. Learn More on Kirby's current short interest. What is a good short interest ratio for Kirby? 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. KEX shares currently have a short interest ratio of 4.0. Learn More on Kirby's short interest ratio. Which institutional investors are shorting Kirby? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Kirby: Quaker Wealth Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Kirby? 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. 3.92% of Kirby's floating shares are currently sold short. Is Kirby's short interest increasing or decreasing? Kirby saw a increase in short interest in the month of May. As of May 31st, there was short interest totaling 2,180,000 shares, an increase of 37.1% from the previous total of 1,590,000 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 Kirby's float size? Kirby currently has issued a total of 56,100,000 shares. Some of Kirby'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. Kirby currently has a public float of 55,670,000 shares. How does Kirby's short interest compare to its competitors? 3.92% of Kirby's shares are currently sold short. Here is how the short interest of companies compare to Kirby: Matson, Inc. (4.02%), Viking Holdings Ltd (1.81%), Brookfield Infrastructure Partners L.P. (0.29%), Norwegian Cruise Line Holdings Ltd. (7.06%), Golar LNG Limited (8.17%), Carnival Co. & plc (2.65%), Tidewater Inc. (11.61%), International Seaways, Inc. (6.20%), Golden Ocean Group Limited (6.70%), Teekay Tankers Ltd. (3.16%), 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 Kirby stock? Short selling KEX is an investing strategy that aims to generate trading profit from Kirby as its price is falling. KEX shares are trading down $0.23 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 Kirby? A short squeeze for Kirby 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 KEX, which in turn drives the price of the stock up even further. How often is Kirby'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 KEX, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies MATX Short Interest VIK Short Interest BIP Short Interest NCLH Short Interest GLNG Short Interest CUK Short Interest TDW Short Interest INSW Short Interest GOGL Short Interest TNK Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:KEX) 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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