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AST SpaceMobile (ASTS) Short Interest Ratio & Short Volume

AST SpaceMobile logo
$48.08 -0.42 (-0.87%)
Closing price 08/15/2025 04:00 PM Eastern
Extended Trading
$48.40 +0.32 (+0.67%)
As of 08/15/2025 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.

AST SpaceMobile Short Interest Data

AST 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 10.59 million shares to cover all short positions.

Current Short Interest
41,300,000 shares
Previous Short Interest
41,490,000 shares
Change Vs. Previous Month
-0.46%
Dollar Volume Sold Short
$2.20 billion
Short Interest Ratio
3.1 Days to Cover
Last Record Date
July 31, 2025
Outstanding Shares
316,490,000 shares
Float Size
188,030,000 shares
Short Percent of Float
21.96%
Today's Trading Volume
4,466,958 shares
Average Trading Volume
10,594,556 shares
Today's Volume Vs. Average
42%
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ASTS Short Interest Over Time

ASTS Days to Cover Over Time

ASTS Percentage of Float Shorted Over Time

AST SpaceMobile Short Interest History

Report 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
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 $5.44
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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 $12.52
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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, investors 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: 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., Quaker Wealth Management LLC, and Jane Street Group 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 decrease in short interest in the month of July. As of July 31st, there was short interest totaling 41,300,000 shares, a decrease 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%), Vodafone Group PLC (0.54%), Warner Bros. Discovery, Inc. (4.28%), TELUS Corporation (2.25%), Fox Corporation (7.27%),

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), MicroStrategy Incorporated ($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 down $0.42 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 appreciates 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.




This page (NASDAQ:ASTS) was last updated on 8/16/2025 by MarketBeat.com Staff
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