MP Materials (MP) Short Interest Ratio & Short Volume $72.08 +0.68 (+0.95%) As of 09:57 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 MP Materials Short Interest DataMP Materials (MP) has a short interest of 22.20 million shares, representing 17.12% of the float (the number of shares available for trading by the public). This marks a -21.55% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.5, indicating that it would take 1.5 days of the average trading volume of 9.28 million shares to cover all short positions.Current Short Interest22,200,000 sharesPrevious Short Interest28,300,000 sharesChange Vs. Previous Month-21.55%Dollar Volume Sold Short$1.36 billionShort Interest Ratio1.5 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares177,100,000 sharesFloat Size129,670,000 sharesShort Percent of Float17.12%Today's Trading Volume651,459 sharesAverage Trading Volume9,275,287 sharesToday's Volume Vs. Average7% 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 Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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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 7/31/202522,200,000 shares $1.36 billion -21.6%17.1%1.5 $61.27 7/15/202528,300,000 shares $1.65 billion -8.4%21.8%2.1 $58.42 6/30/202530,880,000 shares $1.03 billion -0.1%25.8%2.9 $33.21 6/15/202530,920,000 shares $939.66 million +11.2%25.8%3.5 $30.39 5/31/202527,810,000 shares $607.65 million +3.3%23.2%4 $21.85 5/15/202526,930,000 shares $576.03 million -13.5%22.5%4.7 $21.39 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 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. 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 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 $18.13Market Panic: Trump Just Dropped a Bomb on Your Stocks (Ad)tock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tariffs just lit the fuse. Millions of investors are blindsided as stocks plunge… but this is only Phase 1. If you're still holding the wrong assets, you could lose 30% or more in the coming weeks.Don't wait for the next drop to wipe you out. Get the FREE Guide Before Markets Open Tomorrow 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 $22.59 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 $43.49Market Panic: Trump Just Dropped a Bomb on Your Stocks (Ad)tock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tariffs just lit the fuse. Millions of investors are blindsided as stocks plunge… but this is only Phase 1. If you're still holding the wrong assets, you could lose 30% or more in the coming weeks.Don't wait for the next drop to wipe you out. Get the FREE Guide Before Markets Open Tomorrow 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 $36.75 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 July 31st, investors have sold 22,200,000 shares of MP short. 17.12% 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 2.0. 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: Nomura Holdings Inc., Sculptor Capital LP, Group One Trading LLC, Jane Street Group LLC, Caption Management LLC, Walleye Capital LLC, Walleye Trading LLC, Capital Fund Management S.A., Bank of Montreal Can, Wolverine Asset Management LLC, 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. 17.12% of MP Materials' floating shares are currently sold short. Is MP Materials' short interest increasing or decreasing? MP Materials saw a decrease in short interest during the month of July. As of July 31st, there was short interest totaling 22,200,000 shares, a decrease of 21.6% from the previous total of 28,300,000 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 177,100,000 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 129,670,000 shares. How does MP Materials' short interest compare to its competitors? 17.12% 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: Vale S.A. (1.55%), Cameco Corporation (4.07%), Teck Resources Ltd (2.92%), Sociedad Quimica y Minera S.A. (2.69%), Knife River Corporation (6.23%), HudBay Minerals Inc (4.07%), New Gold Inc. (2.05%), NexGen Energy (18.86%), Centrus Energy Corp. (16.81%), TMC the metals company Inc. (12.04%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 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 $1.66 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 July, 31 2025. More Short Interest Resources from MarketBeat Related Companies Vale Short Interest Cameco Short Interest Teck Resources Short Interest Sociedad Quimica y Minera Short Interest Knife River Short Interest HudBay Minerals Short Interest New Gold Short Interest NexGen Energy Short Interest Centrus Energy Short Interest TMC the metals 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 8/28/2025 by MarketBeat.com Staff From Our PartnersBuffett, Gates and Bezos Quietly Dumping Stocks—Here's WhyImagine a bull market so powerful, every single investor became a millionaire. 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