Mammoth Energy Services (TUSK) Short Interest Ratio & Short Volume $2.79 -0.02 (-0.71%) Closing price 07/2/2025 04:00 PM EasternExtended Trading$2.85 +0.06 (+2.15%) As of 07/2/2025 07:30 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Mammoth Energy Services Short Interest DataMammoth Energy Services (TUSK) has a short interest of 378,500 shares, representing 0.82% of the float (the number of shares available for trading by the public). This marks a -25.24% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.1, indicating that it would take 2.1 days of the average trading volume of 148,399 shares to cover all short positions.Current Short Interest378,500 sharesPrevious Short Interest506,300 sharesChange Vs. Previous Month-25.24%Dollar Volume Sold Short$1.02 millionShort Interest Ratio2.1 Days to CoverLast Record DateJune 15, 2025Outstanding Shares48,130,000 sharesFloat Size46,130,000 sharesShort Percent of Float0.82%Today's Trading Volume47,293 sharesAverage Trading Volume148,399 sharesToday's Volume Vs. Average32% Short Selling Mammoth Energy Services? Sign up to receive the latest short interest report for Mammoth Energy Services and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartTUSK Short Interest Over TimeTUSK Days to Cover Over TimeTUSK Percentage of Float Shorted Over Time Mammoth Energy Services Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/15/2025378,500 shares $1.02 million -25.2%0.8%2.1 $2.70 5/31/2025506,300 shares $1.33 million -7.4%1.1%2.9 $2.62 5/15/2025546,700 shares $1.31 million -6.0%1.2%3.1 $2.39 4/30/2025581,400 shares $1.47 million -6.7%1.3%3.5 $2.53 4/15/2025623,200 shares $1.60 million +19.4%1.4%4.1 $2.57 3/31/2025522,100 shares $1.07 million +4.0%1.1%4.9 $2.04 3/15/2025502,200 shares $1.13 million +13.9%1.1%5.4 $2.25 2/28/2025441,000 shares $1.08 million +12.6%1.0%4.9 $2.45 2/15/2025391,800 shares $1.14 million +17.5%0.9%4.7 $2.91 1/31/2025333,400 shares $996.87 thousand -24.7%0.7%3.7 $2.99 Get the Latest News and Ratings for TUSK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Mammoth Energy Services and its competitors with MarketBeat's FREE daily newsletter. 1/15/2025442,700 shares $1.45 million +16.2%1.0%4.6 $3.28 12/31/2024381,100 shares $1.14 million +38.0%0.8%3.8 $3.00 12/15/2024276,100 shares $811.73 thousand -12.7%0.6%2.7 $2.94 11/30/2024316,100 shares $1.10 million -6.3%0.7%2.9 $3.48 11/15/2024337,300 shares $1.07 million +16.0%0.7%3.1 $3.18 10/31/2024290,700 shares $1.28 million -12.1%0.6%2.7 $4.40 10/15/2024330,800 shares $1.48 million +17.6%0.7%2.4 $4.47 9/30/2024281,400 shares $1.15 million -9.6%0.6%1.3 $4.09 9/15/2024311,100 shares $1.14 million +4.3%0.7%1.5 $3.68 8/31/2024298,400 shares $1.14 million -4.8%0.7%1.6 $3.82 8/15/2024313,400 shares $1.22 million +34.3%0.7%1.7 $3.88 7/31/2024233,400 shares $938.27 thousand +12.9%0.5%1.3 $4.02 7/15/2024206,700 shares $657.31 thousand -1.4%0.5%1.4 $3.18 6/30/2024209,600 shares $687.49 thousand -16.7%0.5%3.4 $3.28 6/15/2024251,500 shares $847.56 thousand -2.8%0.6%4.4 $3.37 5/31/2024258,800 shares $960.15 thousand -16.1%0.6%4.4 $3.71 5/15/2024308,400 shares $1.14 million +4.1%0.7%5.2 $3.69 4/30/2024296,300 shares $962.98 thousand -16.3%0.7%5.2 $3.25 4/15/2024353,900 shares $1.15 million -8.0%0.8%5.8 $3.26 3/31/2024384,600 shares $1.40 million -12.8%0.8%6.3 $3.64 3/15/2024441,000 shares $1.57 million -10.1%1.0%7.2 $3.56 2/29/2024490,300 shares $1.78 million 0.0%1.1%6.6 $3.64 2/15/2024490,400 shares $1.85 million -11.7%1.1%6.4 $3.78 1/31/2024555,400 shares $1.95 million -13.8%1.2%6.8 $3.51 1/15/2024644,200 shares $2.62 million +12.9%1.4%7.7 $4.07 12/31/2023570,600 shares $2.54 million -8.1%1.3%6.7 $4.46 12/15/2023620,600 shares $2.68 million +6.1%1.4%7.4 $4.32 11/30/2023584,800 shares $2.58 million +6.4%1.3%7.1 $4.42 11/15/2023549,700 shares $2.49 million -1.9%1.2%6.7 $4.53 10/31/2023560,200 shares $2.27 million -5.7%1.2%4.9 $4.05A grave, grave error. (Ad)I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again. Here’s the full story for you. 10/15/2023594,000 shares $2.60 million -8.5%1.3%4.5 $4.38 9/30/2023649,000 shares $3.01 million -3.1%1.4%4.5 $4.64 9/15/2023669,600 shares $3.37 million -17.7%1.5%4.1 $5.03 8/31/2023813,400 shares $3.77 million -2.0%1.8%3.6 $4.63 8/15/2023830,300 shares $3.71 million +10.6%1.8%3.6 $4.47 7/31/2023750,900 shares $3.67 million -24.9%1.7%3.6 $4.89 7/15/2023999,400 shares $4.97 million -3.0%2.2%4.8 $4.97 6/30/20231,030,000 shares $4.97 million +115.4%2.3%5.2 $4.83 6/15/2023478,200 shares $2.11 million -2.7%1.1%2.5 $4.41 5/31/2023491,600 shares $1.74 million +32.8%1.1%3.2 $3.54 5/15/2023370,300 shares $1.38 million +16.1%0.8%2.1 $3.74 4/30/2023319,100 shares $1.18 million -26.0%0.8%1.6 $3.69 4/15/2023430,900 shares $2.01 million -8.8%1.1%2.2 $4.66 3/31/2023472,200 shares $1.99 million +77.6%1.2%2.2 $4.22 3/15/2023265,900 shares $1.28 million +28.9%0.7%1 $4.82 2/28/2023206,300 shares $1.16 million -42.0%0.5%0.8 $5.61 2/15/2023355,900 shares $2.28 million +15.0%0.9%1.5 $6.41 1/31/2023309,500 shares $2.02 million +13.5%0.8%1.1 $6.53 1/15/2023272,700 shares $2.21 million -3.1%0.7%0.9 $8.09 12/30/2022281,300 shares $2.43 million +133.4%0.7%1 $8.65 12/15/2022120,500 shares $795.30 thousand -19.9%0.3%0.5 $6.60 11/30/2022150,500 shares $909.02 thousand -20.8%0.4%0.7 $6.04 11/15/2022190,100 shares $1.16 million -4.2%0.5%0.9 $6.09 10/31/2022198,500 shares $1.16 million +25.5%0.6%1.1 $5.84 10/15/2022158,200 shares $575.85 thousand -1.5%0.5%0.9 $3.64 9/30/2022160,600 shares $547.65 thousand -6.4%0.5%1 $3.41 9/15/2022171,600 shares $749.89 thousand -9.3%0.5%1 $4.37 8/31/2022189,200 shares $783.29 thousand +23.4%0.5%1.2 $4.14 8/15/2022153,300 shares $597.87 thousand +20.0%0.4%1 $3.90 7/31/2022127,800 shares $371.90 thousand -16.7%0.4%0.8 $2.91 7/15/2022153,500 shares $339.24 thousand +4.4%0.4%1.1 $2.21 6/30/2022147,000 shares $323.40 thousand +53.9%0.4%0.7 $2.20 6/15/202295,500 shares $213.92 thousand -57.7%0.3%0.4 $2.24 5/31/2022225,800 shares $485.47 thousand +10.2%0.6%0.7 $2.15 5/15/2022204,900 shares $379.07 thousand +48.1%0.6%0.4 $1.85 4/30/2022138,400 shares $301.71 thousand -10.5%0.4%0.3 $2.18 4/15/2022154,600 shares $395.78 thousand +84.9%0.4%0.3 $2.56 3/31/202283,600 shares $178.07 thousand +31.5%0.2%0.2 $2.13 3/15/202263,600 shares $113.21 thousand -42.7%0.2%0.2 $1.78 2/28/2022110,900 shares $165.80 thousand +40.6%0.3%0.4 $1.50 2/15/202278,900 shares $122.30 thousand -23.0%0.2%0.6 $1.55 1/31/2022102,500 shares $177.33 thousand +0.2%0.3%0.2 $1.73 1/15/2022102,300 shares $207.67 thousand -36.7%0.3%0.2 $2.03 12/31/2021161,600 shares $294.11 thousand -34.2%0.5%0.3 $1.82 12/15/2021245,600 shares $469.10 thousand -73.5%0.7%0.5 $1.91 11/30/2021926,500 shares $1.79 million +31.7%2.6%1.8 $1.93 11/15/2021703,300 shares $1.97 million +1.5%2.0%1.4 $2.80 10/29/2021693,100 shares $2.38 million -2.5%2.0%8.4 $3.43 10/15/2021710,700 shares $2.40 million No Change2.0%8.8 $3.38 9/30/2021710,700 shares $2.07 million -15.6%2.0%8.2 $2.91A grave, grave error. (Ad)I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again. Here’s the full story for you. 9/15/2021842,100 shares $2.28 million +0.1%2.4%9.5 $2.71 8/31/2021841,200 shares $2.94 million -2.9%2.4%11.9 $3.49 8/13/2021865,900 shares $3.00 million -0.5%2.5%11.9 $3.46 7/30/2021869,900 shares $3.18 million +4.7%2.5%10 $3.66 7/15/2021830,600 shares $3.21 million -4.0%2.4%8 $3.86 6/30/2021865,600 shares $3.97 million -4.0%2.5%7.8 $4.59 6/15/2021901,600 shares $3.47 million -1.1%2.6%8.5 $3.85 5/28/2021911,900 shares $3.47 million +21.6%2.6%7.2 $3.80 5/14/2021750,100 shares $2.31 million +67.3%2.1%4.5 $3.08 4/30/2021448,300 shares $1.78 million +31.3%1.3%2.2 $3.96 4/15/2021341,400 shares $1.76 million -4.9%1.0%1.7 $5.16 3/31/2021359,100 shares $1.82 million -0.1%1.1%1.8 $5.06 3/15/2021359,500 shares $1.90 million -11.2%1.1%1.5 $5.28 2/26/2021404,700 shares $2.57 million +27.1%1.2%1 $6.36 2/12/2021318,400 shares $1.37 million -2.6%0.9%0.8 $4.30 1/29/2021326,900 shares $1.32 million -10.2%1.0%0.9 $4.05 1/15/2021364,200 shares $1.71 million -10.7%1.1%1 $4.70 12/31/2020407,600 shares $1.70 million -8.1%1.2%1.2 $4.16 12/15/2020443,400 shares $1.82 million +73.5%1.3%1.3 $4.10 11/30/2020255,500 shares $574.88 thousand -18.8%0.8%1 $2.25 11/15/2020314,800 shares $513.12 thousand -37.9%0.9%2.9 $1.63 10/30/2020506,600 shares $810.56 thousand -14.9%1.5%5.2 $1.60 10/15/2020595,000 shares $1.02 million -14.9%1.8%5 $1.71 9/30/2020699,400 shares $1.12 million -25.2%2.1%5.2 $1.60 9/15/2020934,900 shares $1.85 million -10.1%2.8%5.8 $1.98 8/31/20201,040,000 shares $1.41 million -22.4%3.1%5.8 $1.36 8/14/20201,340,000 shares $2.18 million -15.2%4.0%5.4 $1.63 7/31/20201,580,000 shares $2.20 million -11.7%4.7%5.6 $1.39 7/15/20201,790,000 shares $1.93 million -2.2%5.3%5.7 $1.08 TUSK Short Interest - Frequently Asked Questions What is Mammoth Energy Services' current short interest? Short interest is the volume of Mammoth Energy Services shares that have been sold short but have not yet been closed out or covered. As of June 15th, traders have sold 378,500 shares of TUSK short. 0.82% of Mammoth Energy Services' shares are currently sold short. Learn More on Mammoth Energy Services' current short interest. What is a good short interest ratio for Mammoth Energy Services? 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. TUSK shares currently have a short interest ratio of 2.0. Learn More on Mammoth Energy Services's short interest ratio. Which institutional investors are shorting Mammoth Energy Services? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Mammoth Energy Services: 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 Mammoth Energy Services? 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. 0.82% of Mammoth Energy Services' floating shares are currently sold short. Is Mammoth Energy Services' short interest increasing or decreasing? Mammoth Energy Services saw a decline in short interest during the month of June. As of June 15th, there was short interest totaling 378,500 shares, a decline of 25.2% from the previous total of 506,300 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 Mammoth Energy Services' float size? Mammoth Energy Services currently has issued a total of 48,130,000 shares. Some of Mammoth Energy Services' 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. Mammoth Energy Services currently has a public float of 46,130,000 shares. How does Mammoth Energy Services' short interest compare to its competitors? 0.82% of Mammoth Energy Services' shares are currently sold short. Here is how the short interest of companies in the industry of "petroleum and natural gas" compare to Mammoth Energy Services: North American Construction Group Ltd. (2.63%), Borr Drilling Limited (8.85%), Geopark Ltd (5.68%), Tamboran Resources Corporation (0.29%), Greenfire Resources Ltd. (0.66%), Ranger Energy Services, Inc. (1.09%), PrimeEnergy Corporation (11.47%), Kolibri Global Energy Inc. (0.60%), Gran Tierra Energy Inc. (2.94%), Epsilon Energy Ltd. (0.68%), 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 ($69.26 billion), Invesco QQQ ($25.22 billion), iShares Russell 2000 ETF ($20.33 billion), iShares 20+ Year Treasury Bond ETF ($9.99 billion), MicroStrategy Incorporated ($9.12 billion), Canadian Natural Resources Limited ($6.73 billion), SPDR S&P Biotech ETF ($6.52 billion), Invesco S&P 500 Equal Weight ETF ($5.60 billion), Financial Select Sector SPDR Fund ($4.64 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.59 billion). View all of the most shorted stocks. What does it mean to sell short Mammoth Energy Services stock? Short selling TUSK is an investing strategy that aims to generate trading profit from Mammoth Energy Services as its price is falling. TUSK shares are trading down $0.02 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 Mammoth Energy Services? A short squeeze for Mammoth Energy Services 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 TUSK, which in turn drives the price of the stock up even further. How often is Mammoth Energy Services' 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 TUSK, twice per month. The most recent reporting period available is June, 15 2025. More Short Interest Resources from MarketBeat Related Companies NOA Short Interest BORR Short Interest GPRK Short Interest TBN Short Interest GFR Short Interest RNGR Short Interest PNRG Short Interest KGEI Short Interest GTE Short Interest EPSN Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:TUSK) was last updated on 7/3/2025 by MarketBeat.com Staff From Our PartnersHere's the last trade you should make before heading out for the weekend tomorrow.Make this one trade at 2:59 PM on Friday afternoon, and you'll thank me on Monday morning.Timothy Sykes | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredTrump’s New Order Could Boost Social Security Benefits by 400%If you collect—or plan to collect—Social Security, you need to see this. 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