MP Materials (MP) Short Interest Ratio & Short Volume $20.10 +0.60 (+3.09%) Closing price 03:59 PM EasternExtended Trading$20.30 +0.20 (+0.98%) As of 04:36 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock MP Materials Short Interest DataMP Materials (MP) has a short interest of 31.12 million shares, representing 26.01% of the float (the number of shares available for trading by the public). This marks a 7.05% increase in short interest from the previous month. The short interest ratio (days to cover) is 5.8, indicating that it would take 5.8 days of the average trading volume of 3.73 million shares to cover all short positions.Current Short Interest31,120,000 sharesPrevious Short Interest29,070,000 sharesChange Vs. Previous Month+7.05%Dollar Volume Sold Short$762.44 millionShort Interest Ratio5.8 Days to CoverLast Record DateApril 30, 2025Outstanding Shares163,456,000 sharesFloat Size119,630,000 sharesShort Percent of Float26.01%Today's Trading Volume4,951,102 sharesAverage Trading Volume3,729,988 sharesToday's Volume Vs. Average133% Short Selling MP Materials? Sign up to receive the latest short interest report for MP Materials and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMP Short Interest Over TimeMP Days to Cover Over TimeMP Percentage of Float Shorted Over Time MP Materials Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/202531,120,000 shares $762.44 million +7.1%26.0%5.8 $24.50 4/15/202529,070,000 shares $726.49 million +34.5%24.3%5.8 $24.99 3/31/202521,620,000 shares $528.11 million +3.9%18.1%6.3 $24.43 3/15/202520,800,000 shares $560.19 million +6.8%17.5%6.4 $26.93 2/28/202519,470,000 shares $468.58 million -6.7%16.6%6.1 $24.07 2/15/202520,860,000 shares $494.72 million +12.8%17.8%6.6 $23.72 1/31/202518,490,000 shares $404.41 million -7.1%15.8%5.8 $21.87 1/15/202519,910,000 shares $410.94 million -7.0%17.0%7 $20.64 12/31/202421,400,000 shares $333.84 million -2.2%18.3%7.6 $15.60 12/15/202421,890,000 shares $424.01 million +10.3%18.7%7.4 $19.37 Get the Latest News and Ratings for MP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for MP Materials and its competitors with MarketBeat's FREE daily newsletter. 11/30/202419,850,000 shares $418.24 million -4.2%16.8%6 $21.07 11/15/202420,710,000 shares $378.37 million -6.9%17.9%6.6 $18.27 10/31/202422,240,000 shares $400.32 million -16.7%18.2%7.2 $18.00 10/15/202426,690,000 shares $472.95 million +5.9%21.8%8.1 $17.72 9/30/202425,210,000 shares $444.96 million -3.9%20.6%7.6 $17.65 9/15/202426,230,000 shares $361.97 million -7.2%21.5%8 $13.80 8/31/202428,270,000 shares $364.68 million +3.0%23.1%9.7 $12.90 8/15/202427,460,000 shares $339.41 million +8.2%22.5%9.6 $12.36 7/31/202425,390,000 shares $343.78 million -8.0%20.7%8.2 $13.54 7/15/202427,610,000 shares $422.43 million -1.9%22.5%9.3 $15.30 6/30/202428,150,000 shares $358.35 million +0.7%23.0%8.3 $12.73 6/15/202427,960,000 shares $381.37 million -0.2%22.8%8.2 $13.64 5/31/202428,010,000 shares $454.46 million -1.4%22.3%8 $16.23 5/15/202428,400,000 shares $509.07 million -0.3%22.6%7 $17.93 4/30/202428,480,000 shares $455.96 million -8.1%22.9%7.4 $16.01 4/15/202430,980,000 shares $511.48 million +9.3%23.1%8.2 $16.51 3/31/202428,340,000 shares $405.26 million +2.2%21.2%7.7 $14.30 3/15/202427,740,000 shares $385.59 million +65.9%19.4%8.1 $13.90 2/29/202416,720,000 shares $254.31 million -5.1%11.7%5.1 $15.21 2/15/202417,620,000 shares $291.26 million +12.4%12.4%6.4 $16.53 1/31/202415,680,000 shares $248.06 million +6.5%11.0%5.7 $15.82 1/15/202414,720,000 shares $261.87 million -4.0%10.3%5.3 $17.79 12/31/202315,330,000 shares $304.30 million -3.8%10.7%5.6 $19.85 12/15/202315,930,000 shares $288.81 million +5.2%11.1%5.8 $18.13 11/30/202315,140,000 shares $240.12 million -1.9%10.6%5.6 $15.86 11/15/202315,430,000 shares $253.98 million +2.1%10.8%5.8 $16.46 10/31/202315,110,000 shares $247.80 million -1.5%10.6%5.8 $16.40 10/15/202315,340,000 shares $259.71 million -2.9%10.7%5.8 $16.93 9/30/202315,790,000 shares $301.59 million +12.5%11.0%5.9 $19.10 9/15/202314,030,000 shares $316.94 million +4.9%9.8%4.9 $22.59Banks aren’t ready for this altcoin—are you? (Ad)While everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly positioning itself to overthrow the entire banking system.Click here to access the full report now. 8/31/202313,370,000 shares $279.97 million +7.5%9.3%4.6 $20.94 8/15/202312,440,000 shares $271.38 million -9.6%8.7%4.1 $21.82 7/31/202313,760,000 shares $328.04 million -3.4%9.6%4.6 $23.84 7/15/202314,250,000 shares $350.98 million +32.1%10.0%4.8 $24.63 6/30/202310,790,000 shares $246.88 million -2.4%7.5%3.7 $22.88 6/15/202311,060,000 shares $258.09 million +1.8%7.7%4.1 $23.34 5/31/202310,860,000 shares $225.13 million -9.2%7.6%4.4 $20.73 5/15/202311,960,000 shares $260.85 million -12.1%8.3%4.9 $21.81 4/30/202313,610,000 shares $294.93 million +9.6%9.4%5.7 $21.67 4/15/202312,420,000 shares $347.76 million +1.4%8.6%5.7 $28.00 3/31/202312,250,000 shares $345.33 million +21.4%8.4%6 $28.19 3/15/202310,090,000 shares $279.80 million -11.5%7.0%4.6 $27.73 2/28/202311,400,000 shares $399 million -3.8%7.9%5.2 $35.00 2/15/202311,850,000 shares $407.76 million -2.8%8.2%6.1 $34.41 1/31/202312,190,000 shares $396.30 million -6.4%8.4%6.3 $32.51 1/15/202313,020,000 shares $384.48 million +4.7%9.0%6.5 $29.53 12/30/202212,440,000 shares $302.04 million +8.9%9.2%6.2 $24.28 12/15/202211,420,000 shares $334.26 million -1.0%8.5%5.8 $29.27 11/30/202211,530,000 shares $383.37 million -6.3%8.6%6.2 $33.25 11/15/202212,300,000 shares $434.93 million +2.2%9.1%6.5 $35.36 10/31/202212,040,000 shares $361.68 million -1.8%8.9%6.1 $30.04 10/15/202212,260,000 shares $334.09 million -5.0%9.1%5.4 $27.25 9/30/202212,900,000 shares $352.17 million -0.9%9.6%5.4 $27.30 9/15/202213,010,000 shares $417.23 million +14.5%9.7%5 $32.07 8/31/202211,360,000 shares $397.49 million -10.0%8.4%4.4 $34.99 8/15/202212,620,000 shares $469.59 million -5.9%9.4%4.7 $37.21 7/31/202213,410,000 shares $450.17 million +16.8%10.3%4.7 $33.57 7/15/202211,480,000 shares $330.16 million +10.7%8.8%4 $28.76 6/30/202210,370,000 shares $332.67 million -13.2%8.0%3.8 $32.08 6/15/202211,950,000 shares $425.06 million -6.1%9.2%4.1 $35.57 5/31/202212,730,000 shares $501.94 million +4.5%9.8%4.5 $39.43 5/15/202212,180,000 shares $432.15 million +6.8%9.4%4 $35.48 4/30/202211,400,000 shares $433.66 million +4.2%8.8%3.8 $38.04 4/15/202210,940,000 shares $536.83 million +0.2%8.4%3.5 $49.07 3/31/202210,920,000 shares $626.15 million +14.8%8.4%3.6 $57.34 3/15/20229,510,000 shares $395.05 million -17.3%7.3%3.4 $41.54 2/28/202211,500,000 shares $524.63 million +3.0%8.9%4.2 $45.62 2/15/202211,170,000 shares $482.99 million +18.7%8.6%4.4 $43.24 1/31/20229,410,000 shares $375.84 million -0.1%7.3%3.5 $39.94 1/15/20229,420,000 shares $441.14 million +6.9%7.3%3.5 $46.83 12/31/20218,810,000 shares $400.15 million -17.2%6.8%3.5 $45.42 12/15/202110,640,000 shares $452.94 million +3.0%8.2%4.2 $42.57 11/30/202110,330,000 shares $453.90 million -9.5%8.0%4.1 $43.94 11/15/202111,410,000 shares $496.22 million -10.9%9.5%4.6 $43.49 10/29/202112,810,000 shares $433.62 million -0.7%11.0%5 $33.85 10/15/202112,900,000 shares $438.34 million +2.5%11.1%5.4 $33.98 9/30/202112,590,000 shares $405.78 million -8.1%10.9%5.4 $32.23 9/15/202113,700,000 shares $481.69 million -8.4%11.8%5.4 $35.16 8/31/202114,960,000 shares $502.21 million -1.1%13.0%5.9 $33.57 8/13/202115,130,000 shares $556.03 million -2.2%13.1%5.1 $36.75Banks aren’t ready for this altcoin—are you? (Ad)While everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly positioning itself to overthrow the entire banking system.Click here to access the full report now. 7/30/202115,470,000 shares $581.98 million +4.0%13.4%4.9 $37.62 7/15/202114,880,000 shares $512.76 million -8.5%12.9%4.4 $34.46 6/30/202116,260,000 shares $599.34 million +40.8%14.4%4.3 $36.86 6/15/202111,550,000 shares $367.17 million -24.3%10.3%2.5 $31.79 5/28/202115,250,000 shares $428.22 million -0.9%13.3%3 $28.08 5/14/202115,390,000 shares $378.75 million +5.9%14.0%2.8 $24.61 4/30/202114,540,000 shares $461.50 million +10.3%13.3%2.4 $31.74 4/15/202113,180,000 shares $456.29 million -2.2%12.1%2.2 $34.62 3/31/202113,480,000 shares $462.50 million +81.4%13.1%2.3 $34.31 3/15/20217,430,000 shares $314.14 million +25.5%6.7%1.3 $42.28 2/26/20215,920,000 shares $269.06 million +24.1%5.6%1.2 $45.45 2/12/20214,770,000 shares $174.30 million +13.0%4.5%1 $36.54 1/29/20214,220,000 shares $127.78 million -22.7%3.8%1.1 $30.28 1/15/20215,460,000 shares $181.16 million No Change4.4%1.5 $33.18 MP Short Interest - Frequently Asked Questions What is MP Materials' current short interest? Short interest is the volume of MP Materials shares that have been sold short but have not yet been closed out or covered. As of April 30th, investors have sold 31,120,000 shares of MP short. 26.01% of MP Materials' shares are currently sold short. Learn More on MP Materials' current short interest. What is a good short interest ratio for MP Materials? 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. MP shares currently have a short interest ratio of 6.0. Learn More on MP Materials's short interest ratio. Which institutional investors are shorting MP Materials? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of MP Materials: Jane Street Group LLC, Parallax Volatility Advisers L.P., Cubist Systematic Strategies LLC, Caption Management LLC, Nomura Holdings Inc., Sculptor Capital LP, PEAK6 LLC, Walleye Trading LLC, Walleye Capital LLC, Wolverine Asset Management LLC, Bank of Nova Scotia, Portman Square Capital LLP, and IMC Chicago LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for MP Materials? 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. 26.01% of MP Materials' floating shares are currently sold short. Is MP Materials' short interest increasing or decreasing? MP Materials saw a increase in short interest in April. As of April 30th, there was short interest totaling 31,120,000 shares, an increase of 7.1% from the previous total of 29,070,000 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 MP Materials' float size? MP Materials currently has issued a total of 163,456,000 shares. Some of MP Materials' 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. MP Materials currently has a public float of 119,630,000 shares. How does MP Materials' short interest compare to its competitors? 26.01% of MP Materials' shares are currently sold short. Here is how the short interest of companies in the industry of "non-metallic and industrial metal mining" compare to MP Materials: Sociedad Química y Minera de Chile S.A. (2.99%), Summit Materials, Inc. (3.99%), Knife River Co. (4.25%), Hudbay Minerals Inc. (2.45%), NexGen Energy Ltd. (14.47%), Atlas Energy Solutions Inc. (22.21%), TMC the metals company Inc. (9.51%), Ero Copper Corp. (5.08%), Metals Acquisition Limited (3.85%), Nexa Resources S.A. (0.05%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short MP Materials stock? Short selling MP is an investing strategy that aims to generate trading profit from MP Materials as its price is falling. MP shares are trading up $0.25 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 MP Materials? A short squeeze for MP Materials 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 MP, which in turn drives the price of the stock up even further. How often is MP Materials' 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 MP, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Sociedad Química y Minera de Chile Short Interest Summit Materials Short Interest Knife River Short Interest Hudbay Minerals Short Interest NexGen Energy Short Interest Atlas Energy Solutions Short Interest TMC the metals Short Interest Ero Copper Short Interest Metals Acquisition Short Interest Nexa Resources 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:MP) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersThink NVDA’s run was epic? You ain’t seen nothin’ yetAsk most investors and they’ll probably tell you Nvidia is the undisputed AI stock of the decade. 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