AST SpaceMobile (ASTS) Short Interest Ratio & Short Volume $47.07 +2.09 (+4.65%) Closing price 04:00 PM EasternExtended Trading$47.60 +0.53 (+1.14%) As of 05:04 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 AST SpaceMobile Short Interest DataAST SpaceMobile (ASTS) has a short interest of 41.30 million shares, representing 21.96% of the float (the number of shares available for trading by the public). This marks a -0.46% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.1, indicating that it would take 3.1 days of the average trading volume of 11.85 million shares to cover all short positions.Current Short Interest41,300,000 sharesPrevious Short Interest41,490,000 sharesChange Vs. Previous Month-0.46%Dollar Volume Sold Short$2.20 billionShort Interest Ratio3.1 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares316,490,000 sharesFloat Size188,030,000 sharesShort Percent of Float21.96%Today's Trading Volume6,483,676 sharesAverage Trading Volume11,845,821 sharesToday's Volume Vs. Average55% Short Selling AST SpaceMobile? Sign up to receive the latest short interest report for AST SpaceMobile and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartASTS Short Interest Over TimeASTS Days to Cover Over TimeASTS Percentage of Float Shorted Over Time AST SpaceMobile Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/202541,300,000 shares $2.20 billion -0.5%22.0%3.1 $53.17 7/15/202541,490,000 shares $2.12 billion -7.9%22.6%3.1 $51.12 6/30/202545,070,000 shares $2.11 billion -3.6%24.5%3.5 $46.73 6/15/202546,730,000 shares $1.79 billion +1.1%28.9%3.8 $38.37 5/31/202546,240,000 shares $1.07 billion +5.6%28.6%4.3 $23.22 5/15/202543,780,000 shares $1.15 billion +3.0%27.0%4.1 $26.24 4/30/202542,500,000 shares $986.43 million -2.0%26.3%3.8 $23.21 4/15/202543,360,000 shares $993.81 million -10.5%26.5%3.5 $22.92 3/31/202548,420,000 shares $1.10 billion +2.0%29.5%4 $22.74 3/15/202547,490,000 shares $1.34 billion +4.9%29.0%4.2 $28.15 Get the Latest News and Ratings for ASTS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AST SpaceMobile and its competitors with MarketBeat's FREE daily newsletter. 2/28/202545,280,000 shares $1.23 billion +6.7%27.9%4 $27.11 2/15/202542,430,000 shares $1.36 billion -0.7%29.7%4.3 $32.10 1/31/202542,740,000 shares $865.06 million +30.1%28.6%4.2 $20.24 1/15/202532,850,000 shares $707.59 million -6.9%22.0%3.6 $21.54 12/31/202435,280,000 shares $744.41 million +4.3%23.6%4 $21.10 12/15/202433,820,000 shares $794.09 million -4.5%22.7%3.4 $23.48 11/30/202435,430,000 shares $843.59 million -3.6%25.6%3.1 $23.81 11/15/202436,770,000 shares $890.94 million -2.9%26.6%2.8 $24.23 10/31/202437,860,000 shares $901.45 million -2.2%33.9%2.3 $23.81 10/15/202438,710,000 shares $938.72 million -6.9%34.7%2.2 $24.25 9/30/202441,560,000 shares $1.09 billion +7.5%29.8%2.5 $26.15 9/15/202438,670,000 shares $1.15 billion +64.9%28.8%2.4 $29.83 8/31/202423,450,000 shares $680.99 million -17.8%17.4%1.5 $29.04 8/15/202428,510,000 shares $894.07 million +9.2%22.1%1.8 $31.36 7/31/202426,100,000 shares $539.75 million -2.3%20.4%1.9 $20.68 7/15/202426,720,000 shares $360.19 million -1.0%21.3%2.4 $13.48 6/30/202426,980,000 shares $313.24 million +6.3%21.5%2.6 $11.61 6/15/202425,390,000 shares $259.49 million -13.3%21.1%2.6 $10.22 5/31/202429,300,000 shares $242.46 million -7.4%25.1%3.3 $8.28 5/15/202431,650,000 shares $75.64 million -3.2%27.1%5.7 $2.39 4/30/202432,680,000 shares $72.22 million +3.7%28.9%9.9 $2.21 4/15/202431,530,000 shares $65.58 million +14.2%27.9%8.3 $2.08 3/31/202427,620,000 shares $80.10 million +28.4%27.4%5.9 $2.90 3/15/202421,510,000 shares $67.54 million +29.1%19.4%5 $3.14 2/29/202416,660,000 shares $52.81 million +25.4%14.9%4.3 $3.17 2/15/202413,290,000 shares $45.32 million +5.7%11.9%3.5 $3.41 1/31/202412,570,000 shares $36.08 million -31.1%11.6%3.3 $2.87 1/15/202418,240,000 shares $76.06 million +2.4%22.9%5.5 $4.17 12/31/202317,820,000 shares $107.45 million +3.0%22.6%8.6 $6.03 12/15/202317,300,000 shares $94.11 million -4.6%22.0%9.1 $5.44Market Panic: Trump Just Dropped a Bomb on Your Stocks (Ad)tock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tariffs just lit the fuse. Millions of investors are blindsided as stocks plunge… but this is only Phase 1. If you're still holding the wrong assets, you could lose 30% or more in the coming weeks.Don't wait for the next drop to wipe you out. Get the FREE Guide Before Markets Open Tomorrow 11/30/202318,130,000 shares $87.93 million +0.7%23.0%9.3 $4.85 11/15/202318,010,000 shares $83.93 million +2.5%22.9%9.8 $4.66 10/31/202317,580,000 shares $58.19 million -8.3%22.3%10.1 $3.31 10/15/202319,160,000 shares $58.63 million -2.4%24.3%11.3 $3.06 9/30/202319,640,000 shares $74.63 million +13.8%24.9%10.8 $3.80 9/15/202317,260,000 shares $66.28 million -6.7%21.9%7.7 $3.84 8/31/202318,500,000 shares $72.52 million +11.6%24.3%8 $3.92 8/15/202316,580,000 shares $61.10 million -6.5%21.8%7.2 $3.69 7/31/202317,740,000 shares $76.10 million +1.4%23.3%8.2 $4.29 7/15/202317,490,000 shares $74.16 million -4.9%22.7%7.2 $4.24 6/30/202318,390,000 shares $86.43 million +9.4%23.9%7.8 $4.70 6/15/202316,810,000 shares $96.83 million -1.2%25.8%7.8 $5.76 5/31/202317,010,000 shares $92.19 million -0.2%26.3%8.7 $5.42 5/15/202317,050,000 shares $84.74 million +0.5%27.9%8.2 $4.97 4/30/202316,960,000 shares $90.06 million +13.7%27.8%8.2 $5.31 4/15/202314,920,000 shares $57.74 million -2.2%27.2%8.5 $3.87 3/31/202315,260,000 shares $77.52 million +4.9%27.8%8.9 $5.08 3/15/202314,550,000 shares $88.03 million +5.4%26.7%9.2 $6.05 2/28/202313,800,000 shares $88.87 million -1.7%25.5%7.8 $6.44 2/15/202314,040,000 shares $91.12 million +8.8%25.9%7.8 $6.49 1/31/202312,910,000 shares $69.52 million -5.4%23.9%6.5 $5.39 1/15/202313,640,000 shares $70.79 million -3.8%25.3%7.2 $5.19 12/30/202214,180,000 shares $68.35 million +8.6%26.3%7.8 $4.82 12/15/202213,060,000 shares $50.15 million -4.6%26.7%7.4 $3.84 11/30/202213,690,000 shares $78.99 million +4.0%28.5%7.6 $5.77 11/15/202213,160,000 shares $98.77 million +1.3%36.6%8.2 $7.51 10/31/202212,990,000 shares $93.92 million +5.4%36.1%7.6 $7.23 10/15/202212,320,000 shares $89.69 million +2.8%34.5%7.4 $7.28 9/30/202211,980,000 shares $86.50 million +0.7%30.0%7.4 $7.22 9/15/202211,900,000 shares $107.10 million +14.1%29.9%7.8 $9.00 8/31/202210,430,000 shares $125.37 million -8.6%26.3%7.6 $12.02 8/15/202211,410,000 shares $145.48 million -1.0%29.5%10 $12.75 7/31/202211,530,000 shares $81.06 million +1.1%29.8%14 $7.03 7/15/202211,410,000 shares $73.37 million -0.4%29.9%14.2 $6.43 6/30/202211,450,000 shares $71.91 million +6.2%28.3%13.9 $6.28 6/15/202210,780,000 shares $68.35 million +13.4%26.7%12.4 $6.34 5/31/20229,510,000 shares $79.12 million +2.4%24.9%5 $8.32 5/15/20229,290,000 shares $71.25 million +16.1%24.4%4.9 $7.67 4/30/20228,000,000 shares $60.24 million +6.1%20.8%4.3 $7.53 4/15/20227,540,000 shares $68.99 million +0.8%19.6%4.1 $9.15 3/31/20227,480,000 shares $74.65 million -13.3%19.5%4 $9.98 3/15/20228,630,000 shares $71.89 million -0.8%22.5%4.6 $8.33 2/28/20228,700,000 shares $61.60 million -1.8%22.7%5.1 $7.08 2/15/20228,860,000 shares $58.48 million +6.2%23.1%9.1 $6.60 1/31/20228,340,000 shares $47.96 million +14.4%21.7%8.1 $5.75 1/15/20227,290,000 shares $47.53 million +17.0%19.0%7.2 $6.52 12/31/20216,230,000 shares $49.47 million +2.8%16.2%6.5 $7.94 12/15/20216,060,000 shares $50.96 million +9.4%15.8%6.3 $8.41 11/30/20215,540,000 shares $55.18 million -2.0%14.4%4.9 $9.96 11/15/20215,650,000 shares $70.74 million +0.2%14.7%4.6 $12.52Market Panic: Trump Just Dropped a Bomb on Your Stocks (Ad)tock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tariffs just lit the fuse. Millions of investors are blindsided as stocks plunge… but this is only Phase 1. If you're still holding the wrong assets, you could lose 30% or more in the coming weeks.Don't wait for the next drop to wipe you out. Get the FREE Guide Before Markets Open Tomorrow 10/29/20215,640,000 shares $63.11 million -2.1%14.7%4.4 $11.19 10/15/20215,760,000 shares $58.81 million +6.3%15.0%4.5 $10.21 9/30/20215,420,000 shares $58.64 million +9.7%14.1%3.7 $10.82 9/15/20214,940,000 shares $54.98 million No Change12.8%2 $11.13 8/31/20214,940,000 shares $61.01 million +47.0%12.8%1.8 $12.35 8/13/20213,360,000 shares $32.05 million No Change8.7%1.1 $9.54 ASTS Short Interest - Frequently Asked Questions What is AST SpaceMobile's current short interest? Short interest is the volume of AST SpaceMobile shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 41,300,000 shares of ASTS short. 21.96% of AST SpaceMobile's shares are currently sold short. Learn More on AST SpaceMobile's current short interest. What is a good short interest ratio for AST SpaceMobile? 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. ASTS shares currently have a short interest ratio of 3.0. Learn More on AST SpaceMobile's short interest ratio. Which institutional investors are shorting AST SpaceMobile? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of AST SpaceMobile: Marex Group plc, Wolverine Trading LLC, Sculptor Capital LP, Tidal Investments LLC, Group One Trading LLC, Cubist Systematic Strategies LLC, Balyasny Asset Management L.P., Bank of America Corp DE, Jane Street Group LLC, Caption Management LLC, Squarepoint Ops LLC, CMT Capital Markets Trading GmbH, Walleye Capital LLC, Walleye Trading LLC, Silverback Asset Management LLC, Capital Fund Management S.A., JPMorgan Chase & Co., Calamos Advisors LLC, Wolverine Asset Management LLC, Quaker Wealth Management LLC, IMC Chicago LLC, Parallel Advisors LLC, Goldman Sachs Group Inc., and Quaker Wealth Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for AST SpaceMobile? 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. 21.96% of AST SpaceMobile's floating shares are currently sold short. Is AST SpaceMobile's short interest increasing or decreasing? AST SpaceMobile saw a drop in short interest during the month of July. As of July 31st, there was short interest totaling 41,300,000 shares, a drop of 0.5% from the previous total of 41,490,000 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 AST SpaceMobile's float size? AST SpaceMobile currently has issued a total of 316,490,000 shares. Some of AST SpaceMobile'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. AST SpaceMobile currently has a public float of 188,030,000 shares. How does AST SpaceMobile's short interest compare to its competitors? 21.96% of AST SpaceMobile's shares are currently sold short. Here is how the short interest of companies compare to AST SpaceMobile: AT&T Inc. (1.31%), Verizon Communications Inc. (1.94%), America Movil, S.A.B. de C.V. Unsponsored ADR (0.24%), Tencent Music Entertainment Group Sponsored ADR (3.60%), Chunghwa Telecom Co., Ltd. (0.06%), Telefonica SA (0.08%), Warner Bros. Discovery, Inc. (4.28%), Vodafone Group PLC (0.54%), Fox Corporation (7.27%), TELUS Corporation (2.25%), 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 AST SpaceMobile stock? Short selling ASTS is an investing strategy that aims to generate trading profit from AST SpaceMobile as its price is falling. ASTS shares are trading up $2.00 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 AST SpaceMobile? A short squeeze for AST SpaceMobile 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 ASTS, which in turn drives the price of the stock up even further. How often is AST SpaceMobile'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 ASTS, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies T Short Interest VZ Short Interest AMX Short Interest TME Short Interest CHT Short Interest TEF Short Interest WBD Short Interest VOD Short Interest FOXA Short Interest TU 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:ASTS) was last updated on 8/22/2025 by MarketBeat.com Staff From Our PartnersGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredEveryone’s watching Nvidia right now. 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