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Butterfly Network (BFLY) Short Interest Ratio & Short Volume

Butterfly Network logo
$8.91 -0.54 (-5.74%)
Closing price 08/13/2026 03:59 PM Eastern
Extended Trading
$8.81 -0.10 (-1.10%)
As of 08:28 AM 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 Massive. Learn more.
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Butterfly Network Short Interest Overview

As of July 31, 2026, Butterfly Network (BFLY) had a short interest of 32.69 million shares sold short, representing 15.74% of the public float. This marks a 4.59% increase in short interest since the prior report. The short interest ratio (days to cover) is 4.3, meaning it would take 4.3 days of the average trading volume of 7.56 million shares to cover all short positions.

Current Short Interest
32,688,557 shares
Previous Short Interest
31,253,468 shares
Change Vs. Previous Month
4.59%
Dollar Volume Sold Short
$231.57 million
Short Interest Ratio
4.3 Days to Cover
Last Record Date
July 31, 2026
Outstanding Shares
266,290,000 shares
Short Percent of Float
15.74%
Today's Trading Volume
6,899,599 shares
Average Trading Volume
7,563,042 shares
Today's Volume Vs. Average
91%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

BFLY Short Interest Over Time

BFLY Days to Cover Over Time

BFLY Percentage of Float Shorted Over Time

Butterfly Network Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/31/202632,688,557 shares $231.57 million +4.6%15.7%4.3 $7.08
7/15/202631,253,468 shares $228.31 million +8.7%15.7%3.59 $7.31
6/30/202628,743,987 shares $241.56 million +11.1%14.5%1.7 $8.40
6/15/202625,868,056 shares $145.51 million -4.7%13.0%4.58 $5.63
5/29/202627,154,629 shares $122.06 million +8.8%13.7%7.18 $4.50
5/15/202624,967,529 shares $95.00 million +3.4%13.1%5.03 $3.81
4/30/202624,143,035 shares $115.33 million -3.6%12.7%3.54 $4.78
4/15/202625,041,724 shares $121.58 million -0.1%12.6%7.39 $4.86
3/31/202625,067,630 shares $101.17 million -3.2%12.6%5.61 $4.04
3/13/202625,907,698 shares $98.32 million -12.5%13.6%5.26 $3.80
2/27/202629,599,602 shares $111.98 million +18.8%14.9%2.58 $3.78
2/13/202624,910,482 shares $75.85 million +7.3%12.5%4.84 $3.05
1/30/202623,226,604 shares $91.51 million -12.9%12.3%4.47 $3.94
1/15/202626,671,691 shares $120.74 million +5.6%14.1%4.3 $4.53
12/31/202525,251,548 shares $95.96 million +6.2%13.4%5.17 $3.80
12/15/202523,772,344 shares $76.19 million +14.5%12.6%4.94 $3.21
11/28/202520,770,733 shares $63.87 million +16.6%11.0%2.59 $3.08
11/14/202517,820,014 shares $37.69 million +1.4%9.4%2.43 $2.12
10/31/202517,579,792 shares $47.55 million -3.9%9.3%3.33 $2.71
10/15/202518,290,000 shares $43.07 million -7.6%9.7%3.7 $2.36
9/30/202519,800,000 shares $38.31 million +4.6%10.5%4.2 $1.94
9/15/202518,930,000 shares $31.33 million -0.3%10.2%4.3 $1.66
8/31/202518,980,000 shares $30.65 million -7.2%10.2%4.9 $1.62
8/15/202520,450,000 shares $29.25 million -7.9%11.0%5.1 $1.43
7/31/202522,200,000 shares $37.85 million -11.8%12.0%5.8 $1.71
7/15/202525,170,000 shares $44.17 million +1.8%13.8%7.2 $1.76
6/30/202524,730,000 shares $49.34 million +51.5%13.5%7 $2.00
6/15/202516,320,000 shares $37.45 million +11.3%8.9%5.5 $2.30
5/31/202514,660,000 shares $35.33 million +6.8%8.0%4.9 $2.41
5/15/202513,730,000 shares $31.58 million +1.0%7.5%4.1 $2.30
4/30/202513,600,000 shares $31.69 million -1.2%7.4%3.9 $2.33
4/15/202513,760,000 shares $34.61 million +5.5%7.7%3.5 $2.52
3/31/202513,040,000 shares $29.55 million +12.4%7.3%3.2 $2.27
3/15/202511,600,000 shares $31.03 million -5.8%6.5%2.7 $2.68
2/28/202512,320,000 shares $44.66 million -3.8%6.9%2.9 $3.63
2/15/202512,810,000 shares $61.04 million -14.8%7.5%3.2 $4.77
1/31/202515,030,000 shares $60.14 million -17.9%8.8%3.7 $4.00
1/15/202518,300,000 shares $71.92 million +6.9%12.1%5.1 $3.93
12/31/202417,120,000 shares $53.41 million +4.2%11.4%5.2 $3.12
12/15/202416,430,000 shares $55.70 million +7.9%10.9%5.8 $3.39
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11/30/202415,230,000 shares $50.11 million +19.9%10.1%5.5 $3.29
11/15/202412,700,000 shares $29.78 million -4.0%8.5%4.4 $2.35
10/31/202413,230,000 shares $23.62 million +1.6%8.8%5.4 $1.79
10/15/202413,020,000 shares $21.81 million -0.1%8.7%6.7 $1.68
9/30/202413,030,000 shares $23.19 million -10.0%8.7%6.5 $1.78
9/15/202414,470,000 shares $27.78 million +1.4%9.7%6.3 $1.92
8/31/202414,270,000 shares $15.55 million -0.6%9.6%6.7 $1.09
8/15/202414,350,000 shares $14.16 million +2.7%9.6%8.8 $0.99
7/31/202413,970,000 shares $15.65 million -2.8%9.1%8 $1.12
7/15/202414,370,000 shares $17.10 million -34.3%9.3%7.5 $1.19
6/30/202421,870,000 shares $18.39 million -0.1%14.3%12 $0.84
6/15/202421,880,000 shares $19.87 million +1.2%14.3%15.7 $0.91
5/31/202421,620,000 shares $21.51 million -10.0%14.0%15.1 $0.99
5/15/202424,020,000 shares $24.86 million +4.2%15.7%13.2 $1.04
4/30/202423,050,000 shares $17.98 million +2.0%15.6%12.6 $0.78
4/15/202422,590,000 shares $21.17 million +3.7%15.3%13.4 $0.94
3/31/202421,780,000 shares $23.52 million +9.5%14.9%12.2 $1.08
3/15/202419,900,000 shares $21.19 million +6.1%13.3%10.6 $1.07
2/29/202418,750,000 shares $22.13 million +1.2%12.4%9 $1.18
2/15/202418,520,000 shares $20.93 million +1.4%12.4%9.7 $1.13
1/31/202418,270,000 shares $16.48 million +8.2%12.2%10.3 $0.90
1/15/202416,890,000 shares $18.75 million +3.9%11.3%9.2 $1.11
12/31/202316,250,000 shares $17.55 million -6.9%10.9%7.9 $1.08
12/15/202317,450,000 shares $16.49 million -0.3%11.7%8.9 $0.94
11/30/202317,500,000 shares $16.76 million -1.4%11.7%8.1 $0.96
11/15/202317,750,000 shares $21.57 million -1.2%11.9%8.3 $1.22
10/31/202317,970,000 shares $15.20 million -11.4%12.1%8.3 $0.85
10/15/202320,270,000 shares $19.05 million -1.6%13.6%9.3 $0.94
9/30/202320,600,000 shares $24.31 million -0.8%13.9%10.2 $1.18
9/15/202320,770,000 shares $35.62 million -12.5%14.0%10.4 $1.72
8/31/202323,740,000 shares $42.14 million -6.7%16.0%14.2 $1.78
8/15/202325,450,000 shares $48.36 million +4.7%17.2%14.1 $1.90
7/31/202324,310,000 shares $62.60 million +2.0%16.4%12.7 $2.58
7/15/202323,830,000 shares $55.29 million -0.7%16.4%12.3 $2.32
6/30/202324,000,000 shares $55.32 million -2.1%16.5%10.1 $2.31
6/15/202324,510,000 shares $57.60 million -3.5%16.8%7.8 $2.35
5/31/202325,410,000 shares $62.00 million -2.6%17.4%8.1 $2.44
5/15/202326,080,000 shares $50.86 million +4.3%17.9%8.4 $1.95
4/30/202325,000,000 shares $54 million +1.1%17.2%8.4 $2.16
4/15/202324,730,000 shares $64.05 million +32.5%16.5%8.3 $2.59
3/31/202318,670,000 shares $35.10 million +3.4%12.5%6.5 $1.88
3/15/202318,050,000 shares $34.48 million -0.6%12.3%9.8 $1.91
2/28/202318,150,000 shares $44.65 million +8.1%12.4%8.9 $2.46
2/15/202316,790,000 shares $42.14 million -0.5%11.3%8.4 $2.51
1/31/202316,870,000 shares $46.39 million -9.0%11.3%7.9 $2.75
1/15/202318,540,000 shares $45.05 million +0.9%12.5%8.7 $2.43
12/30/202218,380,000 shares $45.21 million -4.5%12.4%8.9 $2.46
12/15/202219,250,000 shares $47.36 million +0.8%12.9%9.3 $2.46
11/30/202219,090,000 shares $61.66 million +0.1%12.8%9.7 $3.23
11/15/202219,080,000 shares $70.60 million -13.9%12.8%9 $3.70
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10/31/202222,160,000 shares $108.58 million -3.2%14.9%8.8 $4.90
10/15/202222,890,000 shares $94.54 million -1.1%15.5%8.8 $4.13
9/30/202223,150,000 shares $108.81 million -4.4%16.3%8.7 $4.70
9/15/202224,220,000 shares $146.05 million +9.4%17.0%8.9 $6.03
8/31/202222,140,000 shares $137.93 million +17.0%15.6%8.5 $6.23
8/15/202218,920,000 shares $160.82 million -21.1%13.5%7.5 $8.50
7/31/202223,980,000 shares $104.07 million +0.4%17.1%10.7 $4.34
7/15/202223,880,000 shares $88.36 million +4.9%17.1%10.7 $3.70
6/30/202222,770,000 shares $69.90 million -0.3%16.3%10.2 $3.07
6/15/202222,830,000 shares $73.51 million +5.7%16.3%10.2 $3.22
5/31/202221,610,000 shares $65.91 million -12.4%15.5%8.6 $3.05
5/15/202224,660,000 shares $75.21 million +11.9%17.6%8.9 $3.05
4/30/202222,040,000 shares $73.39 million +9.0%15.7%8.5 $3.33
4/15/202220,230,000 shares $84.76 million +6.4%14.4%7.6 $4.19
3/31/202219,010,000 shares $90.49 million +4.3%13.6%6.6 $4.76
3/15/202218,230,000 shares $82.04 million -4.8%12.9%5.9 $4.50
2/28/202219,150,000 shares $98.62 million -2.5%13.4%6 $5.15
2/15/202219,650,000 shares $117.90 million -6.7%13.8%6.3 $6.00
1/31/202221,070,000 shares $122.21 million -3.3%14.8%5.9 $5.80
1/15/202221,790,000 shares $147.30 million -0.9%15.3%6.4 $6.76
12/31/202121,980,000 shares $147.05 million -7.9%15.4%6.9 $6.69
12/15/202123,870,000 shares $169.72 million +2.9%16.7%8.6 $7.11
11/30/202123,200,000 shares $163.56 million +22.2%16.3%8.2 $7.05
11/15/202118,990,000 shares $142.80 million -0.9%13.4%7.1 $7.52
10/29/202119,170,000 shares $197.83 million +1.1%13.8%9 $10.32
10/15/202118,970,000 shares $201.84 million -0.9%13.7%8.8 $10.64
9/30/202119,140,000 shares $199.82 million +23.7%13.8%8.4 $10.44
9/15/202115,470,000 shares $195.23 million +7.9%11.1%5.9 $12.62
8/31/202114,340,000 shares $177.24 million -2.6%10.4%5.5 $12.36

BFLY Short Interest - Frequently Asked Questions

Short interest is the volume of Butterfly Network shares that have been sold short but have not yet been closed out or covered. As of July 31st, traders have sold 32,688,557 shares of BFLY short. 15.74% of Butterfly Network's shares are currently sold short. Learn More on Butterfly Network's current short interest.

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. BFLY shares currently have a short interest ratio of 4.3. Learn More on Butterfly Network's short interest ratio.

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. 15.74% of Butterfly Network's floating shares are currently sold short.

Butterfly Network saw a increase in short interest during the month of July. As of July 31st, there was short interest totaling 32,688,557 shares, an increase of 4.6% from the previous total of 31,253,468 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.

15.74% of Butterfly Network's shares are currently sold short. Here is how the short interest of companies in the industry of "healthcare equipment" compare to Butterfly Network: Teleflex Incorporated (6.89%), MiniMed Group Inc (2.15%), LivaNova PLC (7.55%), Integer Holdings Corporation (10.99%), Haemonetics Corporation (6.56%), iRhythm Technologies (9.84%), Establishment Labs Holdings Inc. (16.41%), TransMedics Group, Inc. (23.85%), Pulse Biosciences, Inc (16.58%), LeMaitre Vascular, Inc. (6.83%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.50 billion), Invesco QQQ ($50.36 billion), iShares Russell 2000 ETF ($21.20 billion), Western Digital Corporation ($13.40 billion), SPDR S&P Biotech ETF ($11.59 billion), Nebius Group N.V. ($11.46 billion), iShares 20+ Year Treasury Bond ETF ($7.84 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.51 billion), iShares Semiconductor ETF ($6.37 billion), and Financial Select Sector SPDR Fund ($6.34 billion). View all of the most shorted stocks.

Short selling BFLY is an investing strategy that aims to generate trading profit from Butterfly Network as its price is falling. BFLY shares are trading down $0.54 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.

A short squeeze for Butterfly Network 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 BFLY, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including BFLY, twice per month. The most recent reporting period available is July, 31 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like BFLY:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


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Short Interest Tools

Short interest data for NYSE:BFLY is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 8/11/2026. FINRA publishes updated short interest twice a month.
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