Arqit Quantum (ARQQ) Short Interest Ratio & Short Volume $42.30 -1.01 (-2.33%) As of 10:06 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Arqit Quantum Short Interest DataArqit Quantum (ARQQ) has a short interest of 484,900 shares, representing 7.81% of the float (the number of shares available for trading by the public). This marks a 71.22% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.5, indicating that it would take 0.5 days of the average trading volume of 596,242 shares to cover all short positions.Current Short Interest484,900 sharesPrevious Short Interest283,200 sharesChange Vs. Previous Month+71.22%Dollar Volume Sold Short$17.96 millionShort Interest Ratio0.5 Days to CoverLast Record DateJune 30, 2025Outstanding Shares12,740,000 sharesFloat Size6,210,000 sharesShort Percent of Float7.81%Today's Trading Volume181,772 sharesAverage Trading Volume596,242 sharesToday's Volume Vs. Average30% Short Selling Arqit Quantum? Sign up to receive the latest short interest report for Arqit 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 ChartARQQ Short Interest Over TimeARQQ Days to Cover Over TimeARQQ Percentage of Float Shorted Over Time Arqit 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 6/30/2025484,900 shares $17.96 million +71.2%7.8%0.5 $37.03 6/15/2025283,200 shares $6.73 million -41.3%4.6%0.3 $23.78 5/31/2025482,800 shares $10.30 million -19.5%7.8%0.7 $21.34 5/15/2025600,000 shares $9.08 million +7.4%8.9%1 $15.14 4/30/2025558,700 shares $8.66 million +3.7%9.3%1.4 $15.50 4/15/2025539,000 shares $7.97 million +2.1%9.0%1.3 $14.79 3/31/2025527,800 shares $7.32 million +11.3%8.8%0.9 $13.86 3/15/2025474,100 shares $7.11 million -2.8%7.9%0.6 $15.00 2/28/2025487,800 shares $6.20 million -5.2%8.1%0.6 $12.71 2/15/2025514,600 shares $8.51 million -4.5%8.6%0.5 $16.53 Get the Latest News and Ratings for ARQQ and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Arqit Quantum and its competitors with MarketBeat's FREE daily newsletter. 1/31/2025539,000 shares $11.05 million +39.9%8.6%0.6 $20.50 1/15/2025385,300 shares $7.93 million -13.9%6.3%0.4 $20.59 12/31/2024447,400 shares $17.38 million +50.0%8.2%0.6 $38.84 12/15/2024298,200 shares $7.07 million -28.2%5.5%0.5 $23.70 11/30/2024415,100 shares $8.29 million +86.7%10.0%1.1 $19.98 11/15/2024222,300 shares $1.76 million +47.7%5.5%1 $7.92 10/31/2024150,500 shares $814.21 thousand +14.9%3.9%1.4 $5.41 10/15/2024131,000 shares $624.87 thousand +8.1%3.4%1.6 $4.77 9/30/2024121,200 shares $690.84 thousand -92.9%1.8%2.1 $5.70 9/15/20241,700,000 shares $496.40 thousand +18.1%1.9%2 $0.29 8/31/20241,440,000 shares $460.80 thousand +6.7%1.8%1.7 $0.32 8/15/20241,350,000 shares $413.91 thousand -17.7%1.7%1.6 $0.31 7/31/20241,640,000 shares $592.53 thousand -24.1%2.1%1.5 $0.36 7/15/20242,160,000 shares $873.72 thousand -29.9%3.4%1.2 $0.40 6/30/20243,080,000 shares $1.05 million -14.9%4.9%1.8 $0.34 6/15/20243,620,000 shares $1.34 million -4.5%5.7%2.1 $0.37 5/31/20243,790,000 shares $1.48 million -11.9%7.2%2.2 $0.39 5/15/20244,300,000 shares $1.70 million +26.1%8.1%2.3 $0.40 4/30/20243,410,000 shares $1.47 million -9.1%6.8%1.9 $0.43 4/15/20243,750,000 shares $1.93 million -17.4%7.5%3.8 $0.51 3/31/20244,540,000 shares $3.29 million +2.5%9.4%4.6 $0.73 3/15/20244,430,000 shares $3.44 million +56.0%9.1%4.9 $0.78 2/29/20242,840,000 shares $2.03 million +16.9%5.9%3.1 $0.71 2/15/20242,430,000 shares $1.46 million +9.5%5.0%3.5 $0.60 1/31/20242,220,000 shares $1.01 million +6.7%4.6%3 $0.46 1/15/20242,080,000 shares $975.94 thousand +10.1%4.3%2.7 $0.47 12/31/20231,890,000 shares $895.86 thousand -19.2%3.9%2.4 $0.47 12/15/20232,340,000 shares $1.20 million -3.7%4.8%3.1 $0.51 11/30/20232,430,000 shares $1.20 million +120.9%5.1%2.4 $0.49 11/15/20231,100,000 shares $660 thousand +16.0%2.3%1 $0.60Your Bank Account Is No Longer Safe (Ad)What If Washington Declared That: YOUR Money ISN'T Actually Yours? 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It means Washington thinks they can seize, freeze, or drain your accounts—whenever they want.Get your free guide now by clicking here >> 10/31/2023948,400 shares $416.44 thousand +9.9%1.9%1 $0.44 10/15/2023862,900 shares $457.42 thousand -26.3%1.8%0.7 $0.53 9/30/20231,170,000 shares $696.15 thousand -28.7%2.4%0.8 $0.60 9/15/20231,640,000 shares $1.02 million +89.0%6.8%1.1 $0.62 8/31/2023867,700 shares $773.21 thousand -22.5%2.0%0.5 $0.89 8/15/20231,120,000 shares $1.19 million -13.9%2.6%0.6 $1.06 7/31/20231,300,000 shares $1.52 million -9.1%3.0%0.7 $1.17 7/15/20231,430,000 shares $1.80 million -11.2%2.5%0.9 $1.26 6/30/20231,610,000 shares $1.95 million +8.8%4.8%1.1 $1.21 6/15/20231,480,000 shares $2.06 million -14.0%4.4%1 $1.39 5/31/20231,720,000 shares $2.44 million +6.8%5.1%1.1 $1.42 5/15/20231,610,000 shares $1.74 million +75.1%4.8%1.1 $1.08 4/30/2023919,600 shares $1.04 million -11.6%2.7%0.5 $1.13 4/15/20231,040,000 shares $1.29 million -24.6%3.1%0.5 $1.24 3/31/20231,380,000 shares $1.93 million -19.3%4.1%0.6 $1.40 3/15/20231,710,000 shares $1.69 million +33.6%5.1%0.8 $0.99 2/28/20231,280,000 shares $1.59 million -26.4%5.2%0.7 $1.24 2/15/20231,740,000 shares $5.03 million +87.8%7.1%1 $2.89 1/31/2023926,500 shares $1.96 million -0.9%4.9%0.6 $2.12 1/15/2023934,400 shares $2.58 million -0.5%5.1%1.2 $2.76 12/30/2022938,700 shares $3.39 million -47.9%5.1%1.7 $3.61 12/15/20221,800,000 shares $9.13 million -8.2%9.8%3.6 $5.07 11/30/20221,960,000 shares $14.95 million -26.0%10.8%3.2 $7.63 11/15/20222,650,000 shares $20.83 million +252.2%14.6%4.3 $7.86 10/31/2022752,500 shares $3.38 million -11.0%4.2%1.7 $4.49 10/15/2022845,800 shares $3.95 million -12.1%4.7%2.8 $4.67 9/30/2022962,100 shares $5.42 million +20.8%5.3%3.3 $5.63 9/15/2022796,700 shares $6.79 million +69.4%4.4%2.9 $8.52 8/31/2022470,400 shares $2.86 million -7.4%2.6%2 $6.08 8/15/2022508,100 shares $3.31 million -14.4%2.8%3.9 $6.52 7/31/2022593,700 shares $3.24 million +8.5%3.3%3.6 $5.45 7/15/2022547,000 shares $2.99 million -15.9%3.0%2.8 $5.46 6/30/2022650,600 shares $4.11 million -16.7%3.6%2.6 $6.31 6/15/2022780,900 shares $4.32 million -1.8%4.3%3 $5.53 5/31/2022795,400 shares $6.18 million -15.5%4.8%2.2 $7.77 5/15/2022941,100 shares $6.26 million -21.6%5.7%2.4 $6.65 4/30/20221,200,000 shares $9.70 million -7.7%7.4%2.8 $8.08 4/15/20221,300,000 shares $19.58 million -18.8%8.0%2.9 $15.06 3/31/20221,600,000 shares $24.93 million +30.1%9.8%3.8 $15.58 3/15/20221,230,000 shares $20.57 million -29.3%7.6%2.5 $16.72 2/28/20221,740,000 shares $27.75 million +13.0%10.7%3.6 $15.95 2/15/20221,540,000 shares $23.18 million +13.2%9.5%2.8 $15.05 1/31/20221,360,000 shares $21.05 million +30.8%8.4%2.2 $15.48 1/15/20221,040,000 shares $17.89 million -1.9%6.4%1.5 $17.20 12/31/20211,060,000 shares $25.39 million No Change6.5%1.4 $23.95 ARQQ Short Interest - Frequently Asked Questions What is Arqit Quantum's current short interest? Short interest is the volume of Arqit Quantum shares that have been sold short but have not yet been covered or closed out. As of June 30th, traders have sold 484,900 shares of ARQQ short. 7.81% of Arqit Quantum's shares are currently sold short. Learn More on Arqit Quantum's current short interest. Which institutional investors are shorting Arqit Quantum? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Arqit Quantum: Jane Street Group LLC, Simplex Trading LLC, and Belvedere Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Arqit 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. 7.81% of Arqit Quantum's floating shares are currently sold short. Is Arqit Quantum's short interest increasing or decreasing? Arqit Quantum saw a increase in short interest in June. As of June 30th, there was short interest totaling 484,900 shares, an increase of 71.2% from the previous total of 283,200 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 Arqit Quantum's float size? Arqit Quantum currently has issued a total of 12,740,000 shares. Some of Arqit 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. Arqit Quantum currently has a public float of 6,210,000 shares. How does Arqit Quantum's short interest compare to its competitors? 7.81% of Arqit Quantum's shares are currently sold short. Here is how the short interest of companies in the industry of "computer software" compare to Arqit Quantum: Certara, Inc. (7.93%), Opera Limited Sponsored ADR (15.43%), Matterport, Inc. (3.00%), Lightspeed Commerce Inc. (4.61%), Nayax Ltd. (0.30%), Karooooo Ltd. (1.10%), N-able, Inc. (4.68%), Porch Group, Inc. (21.21%), Zuora, Inc. (2.64%), Rapid7, Inc. (5.75%), 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 ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short Arqit Quantum stock? Short selling ARQQ is an investing strategy that aims to generate trading profit from Arqit Quantum as its price is falling. ARQQ shares are trading up $5.37 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 Arqit Quantum? A short squeeze for Arqit Quantum 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 ARQQ, which in turn drives the price of the stock up even further. How often is Arqit 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 ARQQ, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies Certara Short Squeeze Opera Short Squeeze Matterport Short Squeeze Lightspeed Commerce Short Squeeze Nayax Short Squeeze Karooooo Short Squeeze N-able Short Squeeze Porch Group Short Squeeze Zuora Short Squeeze Rapid7 Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:ARQQ) was last updated on 7/17/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | 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 | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. 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