Magnite (MGNI) Short Interest Ratio & Short Volume $25.57 +0.43 (+1.71%) Closing price 08/27/2025 04:00 PM EasternExtended Trading$25.34 -0.23 (-0.90%) As of 08/27/2025 07:57 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 Magnite Short Interest DataMagnite (MGNI) has a short interest of 15.22 million shares, representing 11.11% of the float (the number of shares available for trading by the public). This marks a -19.60% decrease in short interest from the previous month. The short interest ratio (days to cover) is 5.5, indicating that it would take 5.5 days of the average trading volume of 3.03 million shares to cover all short positions.Current Short Interest15,220,000 sharesPrevious Short Interest18,930,000 sharesChange Vs. Previous Month-19.60%Dollar Volume Sold Short$350.21 millionShort Interest Ratio5.5 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares142,400,000 sharesShort Percent of Float11.11%Today's Trading Volume3,319,538 sharesAverage Trading Volume3,031,163 sharesToday's Volume Vs. Average110% Short Selling Magnite? Sign up to receive the latest short interest report for Magnite 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMGNI Short Interest Over TimeMGNI Days to Cover Over TimeMGNI Percentage of Float Shorted Over Time Magnite Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/202515,220,000 shares $350.21 million -19.6%11.1%5.5 $23.01 7/15/202518,930,000 shares $445.80 million -8.0%N/A7.1 $23.55 6/30/202520,580,000 shares $496.39 million +5.6%15.2%7.5 $24.12 6/15/202519,490,000 shares $333.28 million +19.9%14.4%7.8 $17.10 5/31/202516,250,000 shares $263.09 million +1.3%12.1%6.3 $16.19 5/15/202516,050,000 shares $254.87 million -2.7%11.9%5.8 $15.88 4/30/202516,500,000 shares $196.19 million +17.3%N/A5.3 $11.89 4/15/202514,070,000 shares $142.67 million +7.7%10.5%4.8 $10.14 3/31/202513,060,000 shares $149.01 million +7.3%9.7%4.8 $11.41 3/15/202512,170,000 shares $153.34 million +10.4%9.0%5 $12.60 Get the Latest News and Ratings for MGNI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Magnite and its competitors with MarketBeat's FREE daily newsletter. 2/28/202511,020,000 shares $173.79 million +5.7%8.2%4.9 $15.77 2/15/202510,430,000 shares $208.60 million +12.4%7.7%5.1 $20.00 1/31/20259,280,000 shares $159.62 million +5.8%N/A4.4 $17.20 1/15/20258,770,000 shares $141.11 million +7.6%N/A4.7 $16.09 12/31/20248,150,000 shares $129.75 million +2.4%N/A4.7 $15.92 12/15/20247,960,000 shares $131.10 million -5.1%N/A4.2 $16.47 11/30/20248,390,000 shares $140.87 million +7.3%N/A4.3 $16.79 11/15/20247,820,000 shares $123.95 million -9.4%N/A4.2 $15.85 10/31/20248,630,000 shares $107.70 million -2.4%7.0%5 $12.48 10/15/20248,840,000 shares $108.91 million -1.2%7.1%5.1 $12.32 9/30/20248,950,000 shares $123.96 million +3.7%7.2%4.8 $13.85 9/15/20248,630,000 shares $121.51 million -1.4%7.0%4.9 $14.08 8/31/20248,750,000 shares $120.66 million +4.9%7.1%5.2 $13.79 8/15/20248,340,000 shares $104.33 million +12.1%6.7%4.5 $12.51 7/31/20247,440,000 shares $108.18 million +7.2%6.0%3.4 $14.54 7/15/20246,940,000 shares $106.25 million +4.5%5.7%3.5 $15.31 6/30/20246,640,000 shares $88.25 million -6.6%5.4%3.7 $13.29 6/15/20247,110,000 shares $97.62 million +13.6%5.8%4.1 $13.73 5/31/20246,260,000 shares $77.25 million +11.8%5.1%3.7 $12.34 5/15/20245,600,000 shares $54.88 million -2.4%4.6%3.3 $9.80 4/30/20245,740,000 shares $50.68 million -2.1%4.7%4.6 $8.83 4/15/20245,860,000 shares $51.69 million -3.0%4.8%5 $8.82 3/31/20246,040,000 shares $64.93 million +1.7%5.0%5.2 $10.75 3/15/20245,940,000 shares $67.24 million -2.0%4.9%5.4 $11.32 2/29/20246,060,000 shares $72.84 million +8.0%5.0%5.6 $12.02 2/15/20245,610,000 shares $54.64 million -13.2%4.7%5.8 $9.74 1/31/20246,460,000 shares $57.17 million -7.2%5.4%6.6 $8.85 1/15/20246,960,000 shares $63.68 million -4.7%5.8%6.6 $9.15 12/31/20237,300,000 shares $68.18 million +4.7%6.1%7 $9.34 12/15/20236,970,000 shares $63.29 million -6.8%5.8%6.6 $9.08Tax Drain Deadline: Protect Your Wealth Before September 15th (Ad)On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed professionals, retirees, and high-net-worth savers. But the wealthy aren’t just writing checks. They’re moving fast to protect capital and purchasing power using legal, IRS-compliant strategies. American Alternative Assets just released the Mar-A-Lago Accord, a free guide revealing how to reduce Q3 tax exposure and reposition wealth before it’s drained.Click here to download the guide and protect your assets before Sept 15th. 11/30/20237,480,000 shares $60.44 million -2.2%6.2%7.1 $8.08 11/15/20237,650,000 shares $60.36 million +2.4%6.4%6.7 $7.89 10/31/20237,470,000 shares $49.60 million -3.2%6.3%4.5 $6.64 10/15/20237,720,000 shares $54.04 million +3.9%6.5%4.9 $7.00 9/30/20237,430,000 shares $56.02 million +2.6%6.2%4.4 $7.54 9/15/20237,240,000 shares $58.35 million -1.9%6.1%4.2 $8.06 8/31/20237,380,000 shares $60.89 million -0.8%6.2%4.3 $8.25 8/15/20237,440,000 shares $63.39 million -0.9%6.3%4.2 $8.52 7/31/20237,510,000 shares $113.63 million -8.8%6.4%5 $15.13 7/15/20238,230,000 shares $125.10 million +2.4%7.0%5.6 $15.20 6/30/20238,040,000 shares $109.75 million -10.1%6.8%5.6 $13.65 6/15/20238,940,000 shares $122.03 million +0.8%7.6%6.3 $13.65 5/31/20238,870,000 shares $105.38 million -1.8%7.5%6.2 $11.88 5/15/20239,030,000 shares $104.30 million +11.3%7.7%5.6 $11.55 4/30/20238,110,000 shares $76.23 million +2.3%6.9%5.5 $9.40 4/15/20237,930,000 shares $73.67 million +3.0%6.8%4.8 $9.29 3/31/20237,700,000 shares $71.30 million -4.6%6.6%4.6 $9.26 3/15/20238,070,000 shares $67.79 million -9.7%6.9%4.6 $8.40 2/28/20238,940,000 shares $99.50 million +14.6%7.7%4.9 $11.13 2/15/20237,800,000 shares $103.51 million +3.6%6.8%4.3 $13.27 1/31/20237,530,000 shares $90.96 million -18.3%6.5%3.6 $12.08 1/15/20239,220,000 shares $91.46 million +14.5%8.0%4.8 $9.92 12/30/20228,050,000 shares $85.25 million +11.0%6.9%4.3 $10.59 12/15/20227,250,000 shares $78.74 million +1.3%6.3%3.9 $10.86 11/30/20227,160,000 shares $79.55 million -24.1%6.2%3.8 $11.11 11/15/20229,430,000 shares $108.16 million +0.6%8.2%5.4 $11.47 10/31/20229,370,000 shares $68.31 million -3.8%8.2%6.6 $7.29 10/15/20229,740,000 shares $61.95 million +2.1%8.5%6.5 $6.36 9/30/20229,540,000 shares $62.68 million +6.6%8.3%5.9 $6.57 9/15/20228,950,000 shares $67.48 million +2.3%7.8%5.2 $7.54 8/31/20228,750,000 shares $65.89 million +4.8%7.6%4.6 $7.53 8/15/20228,350,000 shares $81.83 million -2.6%7.3%4.3 $9.80 7/31/20228,570,000 shares $65.47 million -5.4%7.5%4.2 $7.64 7/15/20229,060,000 shares $68.58 million +8.8%7.9%4.4 $7.57 6/30/20228,330,000 shares $73.97 million -16.2%7.3%4.1 $8.88 6/15/20229,940,000 shares $102.98 million +2.4%8.7%5 $10.36 5/31/20229,710,000 shares $106.71 million +1.0%8.5%5.3 $10.99 5/15/20229,610,000 shares $101.77 million -3.9%8.4%4.6 $10.59 4/30/202210,000,000 shares $96.50 million +3.5%8.8%4.5 $9.65 4/15/20229,660,000 shares $108.19 million -0.8%8.5%4.2 $11.20 3/31/20229,740,000 shares $128.67 million -5.7%8.5%4.2 $13.21 3/15/202210,330,000 shares $112.80 million -2.9%9.0%4.3 $10.92 2/28/202210,640,000 shares $155.13 million -5.8%9.3%4.4 $14.58 2/15/202211,300,000 shares $157.64 million +0.4%9.9%4.7 $13.95 1/31/202211,250,000 shares $152.66 million +14.5%9.9%4.8 $13.57 1/15/20229,830,000 shares $148.53 million +8.4%8.6%4.2 $15.11 12/31/20219,070,000 shares $158.73 million -5.4%7.9%4.2 $17.50 12/15/20219,590,000 shares $168.21 million -7.9%8.4%4.4 $17.54 11/30/202110,410,000 shares $183.53 million +7.2%9.1%4.9 $17.63 11/15/20219,710,000 shares $218.48 million -17.0%8.5%4.7 $22.50Tax Drain Deadline: Protect Your Wealth Before September 15th (Ad)On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed professionals, retirees, and high-net-worth savers. But the wealthy aren’t just writing checks. They’re moving fast to protect capital and purchasing power using legal, IRS-compliant strategies. American Alternative Assets just released the Mar-A-Lago Accord, a free guide revealing how to reduce Q3 tax exposure and reposition wealth before it’s drained.Click here to download the guide and protect your assets before Sept 15th. 10/29/202111,700,000 shares $316.25 million +3.0%10.3%5.4 $27.03 10/15/202111,360,000 shares $339.21 million -1.1%10.0%5.9 $29.86 9/30/202111,480,000 shares $321.44 million -2.0%10.2%5.9 $28.00 9/15/202111,710,000 shares $351.30 million -0.6%10.4%5.4 $30.00 8/31/202111,780,000 shares $341.86 million -2.5%10.5%5.4 $29.02 8/13/202112,080,000 shares $351.41 million -0.6%10.8%5.4 $29.09 7/30/202112,150,000 shares $368.15 million +3.8%10.9%4.9 $30.30 7/15/202111,710,000 shares $344.63 million -3.3%10.9%4.6 $29.43 6/30/202112,110,000 shares $409.80 million -8.1%11.3%4.6 $33.84 6/15/202113,180,000 shares $408.71 million +2.5%12.3%5 $31.01 5/28/202112,860,000 shares $381.94 million +17.0%12.0%4.7 $29.70 5/14/202110,990,000 shares $269.58 million +6.6%10.5%3.4 $24.53 4/30/202110,310,000 shares $417.56 million +8.0%9.7%2.9 $40.50 4/15/20219,550,000 shares $378.28 million -3.1%9.0%2.5 $39.61 3/31/20219,860,000 shares $400.91 million +4.2%9.3%2.1 $40.66 3/15/20219,460,000 shares $465.53 million +5.1%8.9%1.6 $49.21 2/26/20219,000,000 shares $435.78 million +4.1%8.5%1.5 $48.42 2/12/20218,650,000 shares $534.57 million -31.9%8.2%1.5 $61.80 1/29/202112,700,000 shares $444.50 million -11.3%12.0%2.2 $35.00 1/15/202114,310,000 shares $445.61 million No Change13.9%2.6 $31.14 MGNI Short Interest - Frequently Asked Questions What is Magnite's current short interest? Short interest is the volume of Magnite shares that have been sold short but have not yet been covered or closed out. As of July 31st, investors have sold 15,220,000 shares of MGNI short. 11.11% of Magnite's shares are currently sold short. Learn More on Magnite's current short interest. What is a good short interest ratio for Magnite? 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. MGNI shares currently have a short interest ratio of 6.0. Learn More on Magnite's short interest ratio. Which institutional investors are shorting Magnite? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Magnite: Group One Trading LLC, Jane Street Group LLC, Walleye Capital LLC, Walleye Trading LLC, Hsbc Holdings PLC, Capital Fund Management S.A., Simplex Trading LLC, and CenterStar Asset Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Magnite? 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. 11.11% of Magnite's floating shares are currently sold short. Is Magnite's short interest increasing or decreasing? Magnite saw a decrease in short interest in the month of July. As of July 31st, there was short interest totaling 15,220,000 shares, a decrease of 19.6% from the previous total of 18,930,000 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. How does Magnite's short interest compare to its competitors? 11.11% of Magnite's shares are currently sold short. Here is how the short interest of companies in the industry of "computer software" compare to Magnite: PubMatic, Inc. (4.34%), The Trade Desk (7.08%), Full Truck Alliance Co. Ltd. Sponsored ADR (2.97%), Paycom Software, Inc. (4.33%), Tempus AI, Inc. (25.65%), Snap Inc. (8.86%), IonQ, Inc. (12.21%), Mobileye Global Inc. (16.86%), Dayforce, Inc. (4.80%), Aurora Innovation, Inc. (10.20%), 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 Magnite stock? Short selling MGNI is an investing strategy that aims to generate trading profit from Magnite as its price is falling. MGNI shares are trading up $0.43 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 Magnite? A short squeeze for Magnite 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 MGNI, which in turn drives the price of the stock up even further. How often is Magnite'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 MGNI, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies PubMatic Short Interest Trade Desk Short Interest Full Truck Alliance Short Interest Paycom Software Short Interest Tempus AI Short Interest Snap Short Interest IonQ Short Interest Mobileye Global Short Interest Dayforce Short Interest Aurora Innovation 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:MGNI) was last updated on 8/28/2025 by MarketBeat.com Staff From Our PartnersMarket 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 | SponsoredEveryone’s watching Nvidia right now. 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