Quantum (QMCO) Short Interest Ratio & Short Volume $12.44 -0.67 (-5.11%) Closing price 04/3/2025 04:00 PM EasternExtended Trading$12.50 +0.06 (+0.48%) As of 04/3/2025 07:59 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 Quantum Short Interest DataQuantum (QMCO) has a short interest of 1.46 million shares, representing 29.80% of the float (the number of shares available for trading by the public). This marks a 17.74% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.6, indicating that it would take 0.6 days of the average trading volume of 1.16 million shares to cover all short positions.Current Short Interest1,460,000 sharesPrevious Short Interest1,240,000 sharesChange Vs. Previous Month+17.74%Dollar Volume Sold Short$22.40 millionShort Interest Ratio0.6 Days to CoverLast Record DateMarch 15, 2025Outstanding Shares5,834,000 sharesFloat Size4,900,000 sharesShort Percent of Float29.80%Today's Trading Volume522,894 sharesAverage Trading Volume1,158,926 sharesToday's Volume Vs. Average45% Short Selling Quantum? Sign up to receive the latest short interest report for Quantum and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartQMCO Short Interest Over TimeQMCO Days to Cover Over TimeQMCO Percentage of Float Shorted Over Time Remove Ads Quantum Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/15/20251,460,000 shares $22.40 million +17.7%29.8%0.6 $15.34 2/28/20251,240,000 shares $14.62 million -7.5%25.4%0.6 $11.79 2/15/20251,340,000 shares $23.01 million -4.3%29.0%0.4 $17.17 1/31/20251,400,000 shares $31.36 million +0.7%32.0%0.4 $22.40 1/15/20251,390,000 shares $46.57 million +15.8%37.4%0.4 $33.50 12/31/20241,200,000 shares $64.70 million +37.4%32.3%0.4 $53.92 12/15/2024873,300 shares $15.69 million +25.9%21.2%0.3 $17.97 11/30/2024693,500 shares $12.07 million +215.8%18.2%0.4 $17.41 11/15/2024219,600 shares $720,288.00 +16.6%21.1%0.2 $3.28 10/31/2024188,400 shares $812,004.00 -13.6%18.3%3.5 $4.31 Get the Latest News and Ratings for QMCO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Quantum and its competitors with MarketBeat's FREE daily newsletter. 10/15/2024218,100 shares $763,350.00 -4.3%5.3%4.6 $3.50 9/30/2024228,000 shares $798,000.00 +5.7%5.5%5.6 $3.50 9/15/2024215,800 shares $717,513.42 +57.8%5.2%5.4 $3.32 8/31/2024136,800 shares $421,344.00 -82.1%3.3%3 $3.08 8/15/2024763,200 shares $4.50 million +84.2%N/A1.1 $5.90 7/31/2024414,400 shares $155,607.20 +75.2%N/A1 $0.38 7/15/2024236,600 shares $108,599.40 -11.9%N/A0.6 $0.46 6/30/2024268,500 shares $109,843.35 +98.7%N/A0.7 $0.41 6/15/2024135,100 shares $79,573.90 +9.4%N/A0.3 $0.59 5/31/2024123,500 shares $56,810.00 -43.9%N/A0.5 $0.46 5/15/2024220,100 shares $123,233.99 +17.8%N/A0.8 $0.56 4/30/2024186,900 shares $89,057.85 -37.7%N/A0.4 $0.48 4/15/2024300,000 shares $125,160.00 +20.1%N/A0.6 $0.42 3/31/2024249,700 shares $148,596.47 -39.0%N/A0.5 $0.60 3/15/2024409,300 shares $294,655.07 -30.8%N/A0.8 $0.72 2/29/2024591,700 shares $285,672.76 +245.0%N/A1.1 $0.48 2/15/2024171,500 shares $84,052.15 -6.3%N/A0.3 $0.49 1/31/2024183,000 shares $70,473.30 +74.0%N/A0.5 $0.39 1/15/2024105,200 shares $29,740.04 +20.5%N/A0.3 $0.28 12/31/202387,300 shares $30,467.70 -69.5%N/A0.2 $0.35 12/15/2023286,000 shares $82,940.00 +29.9%N/A0.7 $0.29 11/30/2023220,100 shares $65,875.93 +52.3%N/A0.7 $0.30 11/15/2023144,500 shares $60,718.90 +29.1%N/A0.6 $0.42 10/31/2023111,900 shares $49,817.88 -21.4%N/A0.5 $0.45 10/15/2023142,300 shares $85,522.30 -0.5%N/A0.4 $0.60 9/30/2023143,000 shares $87,230.00 -47.8%N/A0.4 $0.61 9/15/2023274,100 shares $214,072.10 -32.2%N/A0.7 $0.78 8/31/2023404,300 shares $250,666.00 +5.3%N/A1 $0.62 8/15/2023383,900 shares $244,160.40 +113.2%N/A0.9 $0.64 7/31/2023180,100 shares $194,508.00 -21.9%N/A0.5 $1.08Caught on Camera: Elon Musk’s “Area 51” (Ad)You won’t believe what tech legend Jeff Brown found in what he calls Elon Musk’s “Area 51.” (Click here to see this footage.) A lot of people believe the U.S. government is hiding aliens at the highly classified U.S. Air Force facility in Nevada known as “Area 51.” Click here now because after May 1st, it could be too late. 7/15/2023230,700 shares $242,235.00 -39.2%N/A0.8 $1.05 6/30/2023379,300 shares $409,644.00 -3.6%N/A1.6 $1.08 6/15/2023393,400 shares $420,938.00 -5.0%N/A1.9 $1.07 5/31/2023414,000 shares $455,400.00 +8.7%N/A2.1 $1.10 5/15/2023380,900 shares $355,798.69 -4.0%N/A2.5 $0.93 4/30/2023396,900 shares $388,962.00 +27.4%N/A2.5 $0.98 4/15/2023311,500 shares $302,155.00 +6.5%N/A1.7 $0.97 3/31/2023292,600 shares $336,490.00 -15.5%N/A1.5 $1.15 3/15/2023346,300 shares $329,019.63 +49.0%N/A1.7 $0.95 2/28/2023232,400 shares $262,612.00 -13.6%N/A1 $1.13 2/15/2023269,000 shares $395,430.00 -5.8%N/A1.1 $1.47 1/31/2023285,600 shares $511,224.00 -7.8%N/A1.1 $1.79 1/15/2023309,700 shares $489,326.00 -7.4%N/A1.5 $1.58 12/30/2022334,400 shares $364,496.00 -51.7%N/A1.6 $1.09 12/15/2022691,900 shares $788,766.00 -27.0%N/A3 $1.14 11/30/2022947,900 shares $1.20 million -19.0%N/A4.1 $1.27 11/15/20221,170,000 shares $1.68 million -13.3%N/A4.8 $1.44 10/31/20221,350,000 shares $1.90 million +1.5%N/A4.7 $1.41 10/15/20221,330,000 shares $1.49 million -2.2%N/A4.2 $1.12 9/30/20221,360,000 shares $1.47 million +11.5%N/A4 $1.08 9/15/20221,220,000 shares $1.77 million -3.2%N/A2.4 $1.45 8/31/20221,260,000 shares $1.98 million -32.3%N/A2.4 $1.57 8/15/20221,860,000 shares $3.27 million +40.9%N/A3.4 $1.76 7/31/20221,320,000 shares $2.44 million -13.2%N/A2.4 $1.85 7/15/20221,520,000 shares $2.23 million -2.6%N/A2.6 $1.47 6/30/20221,560,000 shares $2.22 million -58.7%N/A2.5 $1.42 6/15/20223,780,000 shares $6.46 million +0.8%N/A5.4 $1.71 5/31/20223,750,000 shares $7.16 million +4.2%N/A6.1 $1.91 5/15/20223,600,000 shares $5.98 million +8.4%N/A5.8 $1.66 4/30/20223,320,000 shares $6.21 million -6.2%6.3%4.5 $1.87 4/15/20223,540,000 shares $7.93 million +21.2%6.6%5.1 $2.24 3/31/20222,920,000 shares $6.63 million +27.0%5.4%4.5 $2.27 3/15/20222,300,000 shares $5.75 million +18.6%4.3%4.1 $2.50 2/28/20221,940,000 shares $5.04 million -2.0%3.6%4.2 $2.60 2/15/20221,980,000 shares $5.60 million +45.6%3.7%4.4 $2.83 1/31/20221,360,000 shares $6.85 million +13.3%2.6%5.1 $5.04 1/15/20221,200,000 shares $6.64 million No Change2.3%4.3 $5.53 12/31/20211,200,000 shares $6.62 million -2.4%2.3%4.4 $5.52 12/15/20211,230,000 shares $6.42 million -3.9%2.3%4.6 $5.22 11/30/20211,280,000 shares $7.00 million -9.2%2.4%4.8 $5.47 11/15/20211,410,000 shares $8.98 million -19.4%2.7%5.5 $6.37 10/29/20211,750,000 shares $9.99 million +2.9%3.3%6.2 $5.71 10/15/20211,700,000 shares $9.54 million -6.6%3.3%6.4 $5.61 9/30/20211,820,000 shares $9.43 million -1.6%3.5%6.1 $5.18 9/15/20211,850,000 shares $9.51 million -7.5%3.6%5 $5.14 8/31/20212,000,000 shares $12.48 million +19.1%3.9%5 $6.24 8/13/20211,680,000 shares $9.26 million +3.1%3.2%3.5 $5.51 7/30/20211,630,000 shares $10.11 million +11.6%3.1%3.5 $6.20 7/15/20211,460,000 shares $8.92 million +16.8%2.9%3.1 $6.11 6/30/20211,250,000 shares $8.61 million +46.8%2.5%2.7 $6.89Caught on Camera: Elon Musk’s “Area 51” (Ad)You won’t believe what tech legend Jeff Brown found in what he calls Elon Musk’s “Area 51.” (Click here to see this footage.) A lot of people believe the U.S. government is hiding aliens at the highly classified U.S. Air Force facility in Nevada known as “Area 51.” Click here now because after May 1st, it could be too late. 6/15/2021851,400 shares $6.70 million -1.3%1.7%2.1 $7.87 5/28/2021862,300 shares $6.48 million -3.0%1.7%2.1 $7.51 5/14/2021888,800 shares $7.50 million -4.1%1.8%2.5 $8.44 4/30/2021926,700 shares $7.90 million +2.3%1.8%2.3 $8.52 4/15/2021905,900 shares $7.33 million +1.9%1.8%1.8 $8.09 3/31/2021889,400 shares $7.10 million +43.1%1.7%1.9 $7.98 3/15/2021621,600 shares $5.63 million +11.3%1.2%1.4 $9.06 2/26/2021558,400 shares $4.52 million -3.3%1.1%1.5 $8.10 2/12/2021577,300 shares $4.96 million -34.3%1.2%1.7 $8.60 1/29/2021878,700 shares $6.49 million +0.3%1.8%2.9 $7.39 1/15/2021876,100 shares $5.98 million No Change2.3%5.3 $6.83 QMCO Short Interest - Frequently Asked Questions What is Quantum's current short interest? Short interest is the volume of Quantum shares that have been sold short but have not yet been closed out or covered. As of March 15th, investors have sold 1,460,000 shares of QMCO short. 29.80% of Quantum's shares are currently sold short. Learn More on Quantum's current short interest. What is a good short interest ratio for Quantum? 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. QMCO shares currently have a short interest ratio of 1.0. Learn More on Quantum's short interest ratio. Which institutional investors are shorting Quantum? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Quantum: Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Quantum? 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. 29.80% of Quantum's floating shares are currently sold short. Is Quantum's short interest increasing or decreasing? Quantum saw a increase in short interest during the month of March. As of March 15th, there was short interest totaling 1,460,000 shares, an increase of 17.7% from the previous total of 1,240,000 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 Quantum's float size? Quantum currently has issued a total of 5,834,000 shares. Some of Quantum'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. Quantum currently has a public float of 4,900,000 shares. How does Quantum's short interest compare to its competitors? 29.80% of Quantum's shares are currently sold short. Here is how the short interest of companies compare to Quantum: 3D Systems Co. (3.80%), RADCOM Ltd. (0.63%), Kopin Co. (2.27%), Silicom Ltd. (0.08%), HUB Cyber Security Ltd. (7.43%), Lantronix, Inc. (1.29%), Markforged Holding Co. (0.63%), Identiv, Inc. (0.78%), AstroNova, Inc. (0.23%), One Stop Systems, Inc. (0.85%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($26.28 billion), iShares 20+ Year Treasury Bond ETF ($9.53 billion), MicroStrategy Incorporated ($8.50 billion), Apollo Global Management, Inc. ($4.86 billion), Super Micro Computer, Inc. ($4.85 billion), Charter Communications, Inc. ($4.28 billion), Capital One Financial Co. ($4.08 billion), AppLovin Co. ($3.82 billion), Canadian Natural Resources Limited ($3.78 billion), and Schlumberger Limited ($2.87 billion). View all of the most shorted stocks. What does it mean to sell short Quantum stock? Short selling QMCO is an investing strategy that aims to generate trading profit from Quantum as its price is falling. QMCO shares are trading down $0.80 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 Quantum? A short squeeze for Quantum 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 QMCO, which in turn drives the price of the stock up even further. How often is Quantum'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 QMCO, twice per month. The most recent reporting period available is March, 15 2025. More Short Interest Resources from MarketBeat Related Companies DDD Short Interest RDCM Short Interest KOPN Short Interest SILC Short Interest HUBC Short Interest LTRX Short Interest MKFG Short Interest INVE Short Interest ALOT Short Interest OSS 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:QMCO) was last updated on 4/4/2025 by MarketBeat.com Staff From Our PartnersTrump Orders 'National Digital Asset Stockpile'‘Digital Asset Reserve’ for THIS Coin??? Get all the details before this story gains even more tractionCrypto 101 Media | SponsoredYour Retirement Is Caught in the CrossfireWhen Trump took office in 2017, gold was just $1,100 an ounce. By the time he left, it had soared to $1,839. ...Premier Gold Co | SponsoredCollect $7k per month from Tesla’s SECRET dividendTesla doesn't pay a traditional dividend.... 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