Materialise (MTLS) Short Interest Ratio & Short Volume $5.16 -0.01 (-0.10%) As of 12:34 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Materialise Short Interest DataMaterialise (MTLS) has a short interest of 377,000 shares. This marks a 10.75% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.7, indicating that it would take 3.7 days of the average trading volume of 191,992 shares to cover all short positions.Current Short Interest377,000 sharesPrevious Short Interest340,400 sharesChange Vs. Previous Month+10.75%Dollar Volume Sold Short$1.95 millionShort Interest Ratio3.7 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares53,190,000 sharesPercentage of Shares Shorted∞Today's Trading Volume40,507 sharesAverage Trading Volume191,992 sharesToday's Volume Vs. Average21% Short Selling Materialise? Sign up to receive the latest short interest report for Materialise 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. Text HELP for help/customer support. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMTLS Short Interest Over TimeMTLS Days to Cover Over TimeMTLS Percentage of Float Shorted Over Time Materialise Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025377,000 shares $1.95 million +10.8%N/A3.7 $5.16 7/15/2025340,400 shares $1.95 million +3.4%N/A3.3 $5.74 6/30/2025329,300 shares $1.86 million -9.9%N/A2.9 $5.65 6/15/2025365,600 shares $1.99 million -9.9%N/A2.6 $5.45 5/31/2025405,600 shares $2.17 million -7.9%0.7%2.5 $5.36 5/15/2025440,600 shares $2.29 million -19.9%0.8%2 $5.20 4/30/2025550,000 shares $2.83 million +23.0%N/A1.9 $5.14 4/15/2025447,100 shares $2.04 million +10.2%0.8%1.5 $4.57 3/31/2025405,900 shares $2.00 million -13.1%0.7%1.3 $4.92 3/15/2025467,300 shares $2.45 million +13.4%0.8%1.6 $5.24 Get the Latest News and Ratings for MTLS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Materialise and its competitors with MarketBeat's FREE daily newsletter. 2/28/2025412,100 shares $2.17 million +391.8%0.7%1.4 $5.26 2/15/202583,800 shares $806.16 thousand -10.5%0.1%0.3 $9.62 1/31/202593,600 shares $784.37 thousand -30.5%N/A0.5 $8.38 1/15/2025134,700 shares $1.09 million -27.4%N/A0.6 $8.06 12/31/2024185,600 shares $1.31 million -24.4%N/A1 $7.04 12/15/2024245,500 shares $1.94 million +298.5%N/A1.4 $7.90 11/30/202461,600 shares $470.01 thousand -41.6%N/A0.3 $7.63 11/15/2024105,400 shares $726.21 thousand +49.7%N/A0.6 $6.89 10/31/202470,400 shares $416.06 thousand -4.2%N/A0.5 $5.91 10/15/202473,500 shares $374.12 thousand +4.9%N/A0.5 $5.09 9/30/202470,100 shares $384.15 thousand -29.5%N/A0.5 $5.48 9/15/202499,400 shares $485.07 thousand +16.5%N/A0.8 $4.88 8/31/202485,300 shares $456.36 thousand -3.8%N/A1 $5.35 8/15/202488,700 shares $478.98 thousand +33.4%N/A1.1 $5.40 7/31/202466,500 shares $432.25 thousand +2.8%N/A0.9 $6.50 7/15/202464,700 shares $335.15 thousand +17.0%N/A1.1 $5.18 6/30/202455,300 shares $277.05 thousand +4.1%N/A0.9 $5.01 6/15/202453,100 shares $271.34 thousand +3.3%N/A0.8 $5.11 5/31/202451,400 shares $257 thousand -25.0%N/A0.7 $5.00 5/15/202468,500 shares $367.16 thousand -17.6%N/A0.9 $5.36 4/30/202483,100 shares $433.78 thousand +9.6%N/A1 $5.22 4/15/202475,800 shares $376.73 thousand -5.4%N/A0.9 $4.97 3/31/202480,100 shares $422.93 thousand -6.9%N/A0.9 $5.28 3/15/202486,000 shares $427.42 thousand -16.5%N/A1 $4.97 2/29/2024103,000 shares $556.20 thousand -15.4%N/A1.1 $5.40 2/15/2024121,700 shares $735.07 thousand -13.1%N/A1.3 $6.04 1/31/2024140,000 shares $793.80 thousand -13.2%N/A1.3 $5.67 1/15/2024161,200 shares $973.65 thousand +2.5%N/A1.1 $6.04 12/31/2023157,200 shares $1.03 million -36.7%N/A1.1 $6.57 12/15/2023248,400 shares $1.61 million +14.5%N/A1.6 $6.47$100 Trillion “AI Metal” Found in American Ghost Town (Ad)Jeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could be the biggest technology story of this decade. In short, he believes what he's holding in his hand is the key to the $100 trillion AI boom… And only one company here in the U.S. can mine this obscure metal.Click here to get the details on this virtual monopoly. 11/30/2023217,000 shares $1.37 million -0.2%N/A1.4 $6.33 11/15/2023217,500 shares $1.35 million -9.9%N/A1.4 $6.19 10/31/2023241,500 shares $1.33 million +22.4%N/A1.7 $5.50 10/15/2023197,300 shares $992.42 thousand -5.4%N/A1.5 $5.03 9/30/2023208,500 shares $1.14 million +25.8%N/A1.7 $5.49 9/15/2023165,800 shares $976.56 thousand +2.7%N/A1.3 $5.89 8/31/2023161,500 shares $1.09 million +4.8%N/A0.7 $6.76 8/15/2023154,100 shares $1.07 million +18.5%N/A0.7 $6.95 7/31/2023130,100 shares $1.04 million +69.4%N/A0.6 $7.98 7/15/202376,800 shares $678.91 thousand -5.3%N/A0.4 $8.84 6/30/202381,100 shares $700.70 thousand -73.6%N/A0.4 $8.64 6/15/2023306,600 shares $2.42 million +43.1%N/A1.7 $7.90 5/31/2023214,300 shares $2.00 million -3.4%N/A2.2 $9.32 5/15/2023221,900 shares $1.85 million -13.2%N/A2.3 $8.34 4/30/2023255,500 shares $2.30 million +5.6%N/A2 $8.99 4/15/2023241,900 shares $1.90 million -13.0%N/A1.7 $7.87 3/31/2023277,900 shares $2.31 million -12.3%N/A1.3 $8.30 3/15/2023316,800 shares $2.41 million +1.4%N/A1.3 $7.62 2/28/2023312,400 shares $2.69 million +23.6%N/A1.3 $8.60 2/15/2023252,800 shares $2.33 million -25.2%N/A1 $9.22 1/31/2023337,800 shares $3.56 million -7.5%N/A1.2 $10.54 1/15/2023365,000 shares $3.47 million -34.8%N/A1.3 $9.51 12/30/2022560,200 shares $4.93 million +0.8%N/A2.2 $8.80 12/15/2022555,800 shares $5.11 million +24.5%N/A2.8 $9.20 11/30/2022446,400 shares $4.31 million +6.6%N/A2.2 $9.65 11/15/2022418,800 shares $4.56 million -30.2%N/A2.1 $10.88 10/31/2022599,900 shares $6.35 million +0.2%N/A3.4 $10.59 10/15/2022598,800 shares $6.21 million -16.6%N/A3.6 $10.37 9/30/2022717,600 shares $7.69 million +31.0%N/A4.4 $10.71 9/15/2022547,600 shares $6.28 million -14.2%N/A3.3 $11.46 8/31/2022637,900 shares $7.46 million +53.9%N/A3.4 $11.69 8/15/2022414,600 shares $5.75 million -19.6%N/A2.1 $13.87 7/31/2022515,600 shares $7.24 million -11.9%N/A2.2 $14.04 7/15/2022585,100 shares $8.09 million -13.1%N/A2.3 $13.83 6/30/2022673,000 shares $9.17 million -8.7%N/A2.6 $13.62 6/15/2022737,100 shares $10.05 million +9.3%N/A2.8 $13.63 5/31/2022674,600 shares $9.87 million -14.8%N/A2.8 $14.63 5/15/2022792,100 shares $12.21 million +15.1%N/A3.1 $15.41 4/30/2022688,400 shares $10.74 million +0.6%N/A2.8 $15.60 4/15/2022684,600 shares $12.57 million +11.8%N/A2.9 $18.36 3/31/2022612,100 shares $11.84 million -19.6%N/A2.3 $19.35 3/15/2022761,400 shares $14.50 million +19.4%N/A2.8 $19.05 2/28/2022637,600 shares $13.19 million +10.3%N/A2.2 $20.69 2/15/2022578,300 shares $12.67 million +17.3%N/A2 $21.91 1/31/2022493,100 shares $10.11 million -9.4%N/A1.8 $20.51 1/15/2022544,500 shares $11.27 million -12.2%N/A1.9 $20.70 12/31/2021620,000 shares $14.80 million -4.0%N/A2.5 $23.87 12/15/2021645,800 shares $14.94 million +10.9%N/A2.5 $23.14 11/30/2021582,600 shares $14.19 million +16.0%N/A2.3 $24.35 11/15/2021502,400 shares $12.46 million -0.2%N/A1.9 $24.80$100 Trillion “AI Metal” Found in American Ghost Town (Ad)Jeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could be the biggest technology story of this decade. In short, he believes what he's holding in his hand is the key to the $100 trillion AI boom… And only one company here in the U.S. can mine this obscure metal.Click here to get the details on this virtual monopoly. 10/29/2021503,200 shares $12.14 million -48.4%N/A1.8 $24.13 10/15/2021974,300 shares $20.20 million +4.5%N/A3.6 $20.73 9/30/2021932,300 shares $18.74 million +4.5%N/A3.1 $20.10 9/15/2021892,600 shares $20.49 million -8.8%N/A2.6 $22.95 8/31/2021979,100 shares $21.60 million -9.3%N/A2.1 $22.06 8/13/20211,080,000 shares $22.81 million -16.9%N/A2.4 $21.12 7/30/20211,300,000 shares $28.30 million +11.1%N/A2.8 $21.77 7/15/20211,170,000 shares $24.57 million -36.1%N/A2.5 $21.00 6/30/20211,830,000 shares $44.08 million +124.2%N/A4 $24.09 6/15/2021816,300 shares $18.37 million -39.5%N/A1.7 $22.51 5/28/20211,350,000 shares $36.44 million -8.8%N/A3 $26.99 5/14/20211,480,000 shares $35.05 million +16.5%N/A2.9 $23.68 4/30/20211,270,000 shares $39.22 million +0.8%N/A2.3 $30.88 4/15/20211,260,000 shares $42.75 million -9.4%N/A2.3 $33.93 3/31/20211,390,000 shares $47.94 million +33.7%N/A2.4 $34.49 3/15/20211,040,000 shares $44.42 million +52.3%N/A1.9 $42.71 2/26/2021682,700 shares $30.99 million +24.9%N/A1.5 $45.40 2/12/2021546,500 shares $42.41 million -11.9%N/A1.5 $77.61 1/29/2021620,000 shares $41.96 million +4.8%N/A2 $67.68 1/15/2021591,800 shares $43.47 million +11.7%N/A2.1 $73.45 12/31/2020529,900 shares $29.05 million -9.3%N/A2.2 $54.83 12/15/2020584,300 shares $23.96 million -19.3%N/A2.9 $41.00 11/30/2020724,400 shares $31.87 million -2.9%N/A3.7 $44.00 11/15/2020745,800 shares $29.99 million -10.1%N/A3.7 $40.21 10/30/2020829,400 shares $30.84 million -26.6%N/A4.4 $37.18 10/15/20201,130,000 shares $58.51 million -5.8%N/A6.6 $51.78 9/30/20201,200,000 shares $44.29 million +20.0%N/A7.6 $36.91 9/15/20201,000,000 shares $40.83 million -13.0%N/A6.3 $40.83 8/31/20201,150,000 shares $46.76 million +2.7%N/A7.8 $40.66 MTLS Short Interest - Frequently Asked Questions What is Materialise's current short interest? Short interest is the volume of Materialise shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 377,000 shares of MTLS short. Learn More on Materialise's current short interest. What is a good short interest ratio for Materialise? 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. MTLS shares currently have a short interest ratio of 4.0. Learn More on Materialise's short interest ratio. Which institutional investors are shorting Materialise? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Materialise: Group One Trading LLC, Jane Street Group LLC, and Walleye Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Materialise's short interest increasing or decreasing? Materialise saw a increase in short interest during the month of July. As of July 31st, there was short interest totaling 377,000 shares, an increase of 10.8% from the previous total of 340,400 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. How does Materialise's short interest compare to its competitors? Here is how the short interest of companies in the industry of "computer software" compare to Materialise: Beamr Imaging Ltd. (2.52%), Compass, Inc. (6.66%), Alphabet Inc. (0.54%). 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 Materialise stock? Short selling MTLS is an investing strategy that aims to generate trading profit from Materialise as its price is falling. MTLS shares are trading down $0.01 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 Materialise? A short squeeze for Materialise occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of MTLS, which in turn drives the price of the stock up even further. How often is Materialise'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 MTLS, twice per month. The most recent reporting period available is July, 31 2025. 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