Mplx (MPLX) Short Interest Ratio & Short Volume $51.63 +0.70 (+1.38%) Closing price 06/11/2025 03:59 PM EasternExtended Trading$51.65 +0.02 (+0.03%) As of 04:01 AM 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 Mplx Short Interest DataMplx (MPLX) has a short interest of 7.62 million shares, representing 2.08% of the float (the number of shares available for trading by the public). This marks a 2.83% increase in short interest from the previous month. The short interest ratio (days to cover) is 4.5, indicating that it would take 4.5 days of the average trading volume of 1.67 million shares to cover all short positions.Current Short Interest7,620,000 sharesPrevious Short Interest7,410,000 sharesChange Vs. Previous Month+2.83%Dollar Volume Sold Short$389.15 millionShort Interest Ratio4.5 Days to CoverLast Record DateMay 31, 2025Outstanding Shares1,020,802,000 sharesFloat Size365,680,000 sharesShort Percent of Float2.08%Today's Trading Volume1,109,032 sharesAverage Trading Volume1,667,789 sharesToday's Volume Vs. Average66% Short Selling Mplx? Sign up to receive the latest short interest report for Mplx and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMPLX Short Interest Over TimeMPLX Days to Cover Over TimeMPLX Percentage of Float Shorted Over Time Mplx Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/20257,620,000 shares $389.15 million +2.8%2.1%4.5 $51.07 5/15/20257,410,000 shares $382.36 million +0.4%2.0%4 $51.60 4/30/20257,380,000 shares $375.86 million +7.3%2.0%3.9 $50.93 4/15/20256,880,000 shares $344.21 million -8.5%1.9%3.4 $50.03 3/31/20257,520,000 shares $402.52 million -17.6%2.0%3.7 $53.53 3/15/20259,130,000 shares $487.82 million -6.1%2.5%5 $53.43 2/28/20259,720,000 shares $523.81 million +0.5%2.6%5.2 $53.89 2/15/20259,670,000 shares $521.15 million -12.2%2.6%5.3 $53.89 1/31/202511,010,000 shares $572.89 million +19.5%3.0%5.6 $52.03 1/15/20259,210,000 shares $462.25 million +2.6%2.5%5 $50.19 Get the Latest News and Ratings for MPLX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Mplx and its competitors with MarketBeat's FREE daily newsletter. 12/31/20248,980,000 shares $429.78 million -15.2%2.5%5 $47.86 12/15/202410,590,000 shares $517.43 million -7.3%2.9%6 $48.86 11/30/202411,420,000 shares $589.96 million +11.7%3.1%7.1 $51.66 11/15/202410,220,000 shares $480.95 million +7.9%2.8%6.6 $47.06 10/31/20249,470,000 shares $420.66 million -0.1%2.6%6.5 $44.42 10/15/20249,480,000 shares $418.35 million -2.8%2.6%6.5 $44.13 9/30/20249,750,000 shares $433.53 million +2.1%2.7%6.5 $44.47 9/15/20249,550,000 shares $418.10 million +4.0%2.6%6.3 $43.78 8/31/20249,180,000 shares $393.64 million +11.0%2.5%6 $42.88 8/15/20248,270,000 shares $346.35 million +17.0%2.3%5 $41.88 7/31/20247,070,000 shares $302.67 million -17.0%2.0%4.1 $42.81 7/15/20248,520,000 shares $360.99 million -19.5%2.4%4.8 $42.37 6/30/202410,580,000 shares $450.60 million -5.3%2.9%5.4 $42.59 6/15/202411,170,000 shares $459.20 million -3.6%3.1%5.5 $41.11 5/31/202411,590,000 shares $471.31 million +4.1%3.3%5.6 $40.67 5/15/202411,130,000 shares $449.65 million -8.1%3.1%5.1 $40.40 4/30/202412,110,000 shares $506.20 million +15.9%3.4%5.6 $41.80 4/15/202410,450,000 shares $416.54 million -2.0%2.9%4.7 $39.86 3/31/202410,660,000 shares $443.03 million -3.6%3.0%5 $41.56 3/15/202411,060,000 shares $445.61 million +5.2%3.2%5.4 $40.29 2/29/202410,510,000 shares $404.21 million +6.2%3.0%4.8 $38.46 2/15/20249,900,000 shares $384.91 million -13.8%2.9%4.7 $38.88 1/31/202411,490,000 shares $442.94 million +4.6%3.4%6 $38.55 1/15/202410,990,000 shares $410.48 million +13.0%3.2%5.8 $37.35 12/31/20239,730,000 shares $357.29 million -9.8%2.9%5.5 $36.72 12/15/202310,790,000 shares $388.66 million +1.0%3.2%5.7 $36.02 11/30/202310,680,000 shares $388.97 million +2.8%3.2%5.3 $36.42 11/15/202310,390,000 shares $368.85 million -5.6%3.1%5.2 $35.50 10/31/202311,000,000 shares $396.44 million -39.5%3.4%5.4 $36.04 10/15/202318,180,000 shares $656.66 million -5.0%5.6%9 $36.12Elon’s BIGGEST warning yet? (Ad)Tesla's About to Prove Everyone Wrong... Again Back in 2018, when Jeff Brown told everyone to buy Tesla… The "experts" said Elon was finished and Tesla was headed for bankruptcy. Now they're saying the same thing, but Jeff has uncovered Tesla's next breakthrough. Click here to see why Tesla's about to prove everyone wrong... again. 9/30/202319,130,000 shares $680.45 million +2.1%5.8%9.1 $35.57 9/15/202318,740,000 shares $655.15 million -0.4%5.7%9.6 $34.96 8/31/202318,820,000 shares $656.82 million +9.4%5.8%10.7 $34.90 8/15/202317,200,000 shares $600.11 million +18.8%5.3%9.6 $34.89 7/31/202314,480,000 shares $513.90 million +24.5%4.5%8.2 $35.49 7/15/202311,630,000 shares $401.24 million +30.7%3.6%6.7 $34.50 6/30/20238,900,000 shares $302.07 million -15.2%2.8%5.4 $33.94 6/15/202310,490,000 shares $355.51 million -8.7%3.3%6.2 $33.89 5/31/202311,490,000 shares $382.90 million -2.0%3.6%6.5 $33.33 5/15/202311,720,000 shares $397.43 million -11.8%3.6%6.9 $33.91 4/30/202313,280,000 shares $464.67 million +4.7%3.8%7.4 $34.99 4/15/202312,680,000 shares $442.66 million +9.1%3.7%7 $34.91 3/31/202311,620,000 shares $400.31 million -2.7%3.3%6.5 $34.45 3/15/202311,940,000 shares $405.00 million -6.9%3.7%6.8 $33.92 2/28/202312,830,000 shares $444.30 million +10.4%4.0%7.6 $34.63 2/15/202311,620,000 shares $406.82 million -12.5%3.6%7 $35.01 1/31/202313,280,000 shares $463.74 million -13.1%4.2%8.2 $34.92 1/15/202315,280,000 shares $521.05 million +6.8%4.8%9.4 $34.10 12/30/202214,310,000 shares $469.94 million -4.3%4.5%8.6 $32.84 12/15/202214,960,000 shares $480.52 million -0.9%4.7%8.3 $32.12 11/30/202215,090,000 shares $512.91 million +31.1%4.6%8.8 $33.99 11/15/202211,510,000 shares $378.22 million -23.1%3.5%6.7 $32.86 10/31/202214,970,000 shares $502.09 million -1.6%4.6%8.9 $33.54 10/15/202215,220,000 shares $476.69 million -2.7%4.6%9.6 $31.32 9/30/202215,640,000 shares $469.36 million -3.3%4.8%10.3 $30.01 9/15/202216,170,000 shares $532.64 million -2.5%4.9%10.6 $32.94 8/31/202216,590,000 shares $541.17 million -1.0%5.0%9.6 $32.62 8/15/202216,750,000 shares $538.51 million +7.0%5.1%9.4 $32.15 7/31/202215,660,000 shares $509.11 million -3.6%4.8%7.9 $32.51 7/15/202216,250,000 shares $486.69 million -5.9%4.9%7.8 $29.95 6/30/202217,270,000 shares $503.42 million +0.5%5.2%8.3 $29.15 6/15/202217,180,000 shares $520.73 million -4.4%5.2%8.3 $30.31 5/31/202217,970,000 shares $592.11 million +6.6%5.5%9.1 $32.95 5/15/202216,860,000 shares $520.47 million +14.5%5.1%7.4 $30.87 4/30/202214,730,000 shares $476.66 million -23.2%4.5%6.5 $32.36 4/15/202219,190,000 shares $660.71 million -1.3%5.9%8.4 $34.43 3/31/202219,450,000 shares $645.35 million -3.1%6.0%8.3 $33.18 3/15/202220,080,000 shares $630.31 million +1.1%6.2%8.5 $31.39 2/28/202219,870,000 shares $651.34 million -3.4%6.0%8.3 $32.78 2/15/202220,570,000 shares $682.92 million +12.0%6.2%9.5 $33.20 1/31/202218,370,000 shares $602.90 million -8.2%5.5%8.6 $32.82 1/15/202220,010,000 shares $630.52 million +4.6%6.0%9.3 $31.51 12/31/202119,140,000 shares $566.35 million +13.8%5.8%9.3 $29.59 12/15/202116,820,000 shares $477.02 million -2.1%5.1%8 $28.36 11/30/202117,180,000 shares $503.55 million +10.3%5.2%8.1 $29.31 11/15/202115,570,000 shares $481.42 million -8.3%4.7%7.7 $30.92 10/29/202116,970,000 shares $511.14 million +6.7%5.1%8.7 $30.12 10/15/202115,900,000 shares $494.81 million -6.5%4.8%8.6 $31.12 9/30/202117,000,000 shares $483.99 million -9.5%5.1%8.8 $28.47 9/15/202118,790,000 shares $526.87 million -3.4%5.6%9.5 $28.04The End of Elon Musk…? (Ad)The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, and he's been proven right time and time again. And now, while the media focuses on Tesla's "demise," he's uncovered an AI breakthrough that's about to make Elon's doubters eat their words yet again. According to his research, if you listen to the media and miss out on Elon's newest breakthrough, it's going to cost you the fortune of a lifetime.Click here to see why the "End of Elon" crowd is about to be wrong again. 8/31/202119,450,000 shares $546.93 million -3.6%5.8%10 $28.12 8/13/202120,170,000 shares $569.00 million +1.6%6.0%10 $28.21 7/30/202119,850,000 shares $563.34 million +7.7%5.9%9.3 $28.38 7/15/202118,430,000 shares $515.30 million +30.4%5.4%8.3 $27.96 6/30/202114,130,000 shares $418.39 million -17.5%4.2%6.5 $29.61 6/15/202117,130,000 shares $533.43 million +2.2%5.1%7.6 $31.14 5/28/202116,770,000 shares $480.13 million +2.3%5.0%7.4 $28.63 5/14/202116,400,000 shares $466.91 million +0.2%4.8%7 $28.47 4/30/202116,370,000 shares $450.67 million -3.1%4.8%6.7 $27.53 4/15/202116,890,000 shares $445.90 million -2.0%4.9%6.9 $26.40 3/31/202117,240,000 shares $436.52 million -3.3%5.0%6.9 $25.32 3/15/202117,830,000 shares $469.82 million +11.2%5.2%6.9 $26.35 2/26/202116,040,000 shares $383.68 million -11.0%4.7%6.3 $23.92 2/12/202118,020,000 shares $425.09 million +3.8%5.2%7.2 $23.59 1/29/202117,360,000 shares $404.31 million -0.8%5.1%6.8 $23.29 1/15/202117,500,000 shares $435.75 million +3.4%5.1%6.7 $24.90 12/31/202016,930,000 shares $365.01 million +4.6%4.9%6.7 $21.56 12/15/202016,180,000 shares $369.39 million +1.1%4.7%6.3 $22.83 11/30/202016,010,000 shares $346.78 million -1.1%4.7%5.8 $21.66 11/15/202016,180,000 shares $321.98 million -6.3%4.5%5.9 $19.90 10/30/202017,270,000 shares $293.94 million -7.0%5.1%6.6 $17.02 10/15/202018,570,000 shares $319.59 million +4.1%5.4%7 $17.21 9/30/202017,840,000 shares $280.80 million +0.5%5.2%6.5 $15.74 9/15/202017,760,000 shares $310.62 million +2.7%5.2%6.3 $17.49 8/31/202017,290,000 shares $315.89 million -3.2%5.0%5.9 $18.27 8/14/202017,860,000 shares $353.27 million +5.1%5.2%6 $19.78 7/31/202017,000,000 shares $310.59 million +4.3%5.2%5.3 $18.27 7/15/202016,300,000 shares $281.83 million +2.3%5.0%4.6 $17.29 6/30/202015,930,000 shares $269.85 million -13.7%4.4%3.9 $16.94 6/15/202018,450,000 shares $330.44 million +3.1%5.1%4.1 $17.91 MPLX Short Interest - Frequently Asked Questions What is Mplx's current short interest? Short interest is the volume of Mplx shares that have been sold short but have not yet been closed out or covered. As of May 31st, traders have sold 7,620,000 shares of MPLX short. 2.08% of Mplx's shares are currently sold short. Learn More on Mplx's current short interest. What is a good short interest ratio for Mplx? 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. MPLX shares currently have a short interest ratio of 4.0. Learn More on Mplx's short interest ratio. Which institutional investors are shorting Mplx? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Mplx: Jane Street Group LLC, PEAK6 LLC, Jane Street Group LLC, Summit Securities Group LLC, Signaturefd LLC, and Fulcrum Asset Management LLP. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Mplx? 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. 2.08% of Mplx's floating shares are currently sold short. Is Mplx's short interest increasing or decreasing? Mplx saw a increase in short interest during the month of May. As of May 31st, there was short interest totaling 7,620,000 shares, an increase of 2.8% from the previous total of 7,410,000 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 Mplx's float size? Mplx currently has issued a total of 1,020,802,000 shares. Some of Mplx'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. Mplx currently has a public float of 365,680,000 shares. How does Mplx's short interest compare to its competitors? 2.08% of Mplx's shares are currently sold short. Here is how the short interest of companies in the industry of "transportation" compare to Mplx: Enbridge Inc. (1.43%), Canadian Pacific Kansas City Limited (1.05%), Canadian National Railway (0.55%), CSX Co. (1.36%), Ryanair Holdings plc (0.71%), Viking Holdings Ltd (1.81%), Brookfield Infrastructure Partners L.P. (0.29%), Plains All American Pipeline, L.P. (2.36%), Grupo Aeroportuario del Pacífico, S.A.B. de C.V. (0.76%), MakeMyTrip Limited (2.23%), 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 Mplx stock? Short selling MPLX is an investing strategy that aims to generate trading profit from Mplx as its price is falling. MPLX shares are trading up $0.70 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 Mplx? A short squeeze for Mplx 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 MPLX, which in turn drives the price of the stock up even further. How often is Mplx'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 MPLX, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies Enbridge Short Interest Canadian Pacific Kansas City Short Interest Canadian National Railway Short Interest CSX Short Interest Ryanair Short Interest Viking Short Interest Brookfield Infrastructure Partners Short Interest Plains All American Pipeline Short Interest Grupo Aeroportuario del Pacífico Short Interest MakeMyTrip 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:MPLX) was last updated on 6/12/2025 by MarketBeat.com Staff From Our PartnersTrump’s Exec Order #14154 could be a “Millionaire-Maker”Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans...Paradigm Press | SponsoredTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? 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