Boston Scientific (BSX) Short Interest Ratio & Short Volume

$104.30 +0.67 (+0.64%)

Closing price 07/3/2025 03:59 PM Eastern

Extended Trading

$104.30 0.00 (0.00%)

As of 07/3/2025 04:22 PM Eastern

Boston Scientific Short Interest Data

Boston Scientific (BSX) has a short interest of 17.49 million shares, representing 1.19% of the float (the number of shares available for trading by the public). This marks a 2.76% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.1, indicating that it would take 2.1 days of the average trading volume of 6.66 million shares to cover all short positions.

Current Short Interest: 17,490,000 shares
Previous Short Interest: 17,020,000 shares
Change Vs. Previous Month: +2.76%
Dollar Volume Sold Short: $1.74 billion
Short Interest Ratio: 2.1 Days to Cover
Last Record Date: June 15, 2025

Outstanding Shares: 1,479,450,000 shares
Short Percent of Float: 1.19%
Today's Trading Volume: 2,931,148 shares
Average Trading Volume: 6,658,145 shares
Today's Volume Vs. Average: 44%

Short Selling Boston Scientific?

cover of A Guide to High-Short-Interest Stocks and How to Trade Them ebook

Sign up to receive the latest short interest report for Boston Scientific and its competitors with MarketBeat's FREE newsletter.

Short Interest Chart Days to Cover Chart Short Percent of Float Chart

BSX Short Interest Over Time

BSX Days to Cover Over Time

BSX Percentage of Float Shorted Over Time

Boston Scientific Short Interest History

Export to Excel

Report Date	Total Shares Sold Short	Dollar Volume Sold Short	Change from Previous Report	Percentage of Float Shorted	Days to Cover	Price on Report Date
6/15/2025	17,490,000 shares	$1.74 billion	+2.8%	1.2%	2.1	$99.60
5/31/2025	17,020,000 shares	$1.79 billion	+1.6%	1.2%	2.1	$105.08
5/15/2025	16,750,000 shares	$1.75 billion	+6.6%	1.1%	2	$104.63
4/30/2025	15,710,000 shares	$1.62 billion	+8.4%	N/A	1.9	$102.90
4/15/2025	14,490,000 shares	$1.36 billion	+10.6%	1.0%	1.7	$94.19
3/31/2025	13,100,000 shares	$1.32 billion	+3.8%	0.9%	1.6	$100.95
3/15/2025	12,620,000 shares	$1.23 billion	-1.9%	0.9%	1.9	$97.26
2/28/2025	12,870,000 shares	$1.34 billion	+12.3%	0.9%	2.1	$104.02
2/15/2025	11,460,000 shares	$1.22 billion	+9.7%	0.8%	2	$106.20
1/31/2025	10,450,000 shares	$1.07 billion	-27.4%	N/A	1.9	$102.40
Get the Latest News and Ratings for BSX and Related Stocks Enter your email address below to receive the latest news and analysts' ratings for Boston Scientific and its competitors with MarketBeat's FREE daily newsletter.
1/15/2025	14,400,000 shares	$1.39 billion	-0.8%	N/A	2.5	$96.87
12/31/2024	14,520,000 shares	$1.30 billion	+17.8%	N/A	2.5	$89.32
12/15/2024	12,330,000 shares	$1.11 billion	+0.7%	N/A	2.1	$90.11
11/30/2024	12,250,000 shares	$1.11 billion	+11.2%	N/A	2.1	$90.66
11/15/2024	11,020,000 shares	$958.46 million	-14.6%	N/A	1.8	$86.98
10/31/2024	12,910,000 shares	$1.08 billion	+14.2%	N/A	2.3	$84.02
10/15/2024	11,310,000 shares	$981.37 million	+3.6%	N/A	2	$86.77
9/30/2024	10,920,000 shares	$915.10 million	-10.5%	N/A	2	$83.80
9/15/2024	12,200,000 shares	$1.02 billion	+10.7%	N/A	2.2	$83.31
8/31/2024	11,020,000 shares	$901.33 million	+2.6%	N/A	2	$81.79
8/15/2024	10,740,000 shares	$833.21 million	-0.6%	N/A	1.9	$77.58
7/31/2024	10,800,000 shares	$797.69 million	-6.3%	N/A	1.8	$73.86
7/15/2024	11,530,000 shares	$899.57 million	+2.5%	N/A	1.9	$78.02
6/30/2024	11,250,000 shares	$866.36 million	-2.5%	N/A	1.9	$77.01
6/15/2024	11,540,000 shares	$885.81 million	-13.8%	N/A	1.9	$76.76
5/31/2024	13,380,000 shares	$1.01 billion	+8.5%	N/A	2.2	$75.59
5/15/2024	12,330,000 shares	$917.97 million	-11.6%	N/A	2	$74.45
4/30/2024	13,940,000 shares	$1.00 billion	+5.9%	N/A	2.2	$71.86
4/15/2024	13,160,000 shares	$887.51 million	+5.9%	N/A	2	$67.44
3/31/2024	12,430,000 shares	$851.33 million	+8.3%	N/A	1.9	$68.49
3/15/2024	11,480,000 shares	$760.32 million	+21.6%	N/A	1.8	$66.23
2/29/2024	9,440,000 shares	$625.02 million	-14.4%	N/A	1.5	$66.21
2/15/2024	11,030,000 shares	$728.97 million	+1.5%	N/A	1.7	$66.09
1/31/2024	10,870,000 shares	$687.64 million	-4.9%	N/A	1.6	$63.26
1/15/2024	11,430,000 shares	$685.11 million	+22.3%	N/A	1.7	$59.94
12/31/2023	9,350,000 shares	$540.52 million	-19.7%	N/A	1.3	$57.81
12/15/2023	11,640,000 shares	$649.63 million	+26.0%	N/A	1.6	$55.81
11/30/2023	9,240,000 shares	$516.42 million	-22.0%	N/A	1.2	$55.89
11/15/2023	11,850,000 shares	$638.12 million	+29.7%	N/A	1.4	$53.85
10/31/2023	9,140,000 shares	$467.88 million	-32.3%	N/A	1.1	$51.19
The Trump Dump is starting; Get out of stocks now? (Ad) The first 365 days of the Trump presidency… Will be the best time to get rich in American history. If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a
10/15/2023	13,490,000 shares	$668.02 million	-7.5%	N/A	1.6	$49.52
9/30/2023	14,580,000 shares	$769.82 million	+22.7%	N/A	1.9	$52.80
9/15/2023	11,880,000 shares	$628.45 million	-2.8%	N/A	1.6	$52.90
8/31/2023	12,220,000 shares	$659.15 million	+40.1%	N/A	1.7	$53.94
8/15/2023	8,720,000 shares	$450.65 million	+4.7%	N/A	1.2	$51.68
7/31/2023	8,330,000 shares	$431.91 million	+13.2%	N/A	1.1	$51.85
7/15/2023	7,360,000 shares	$390.30 million	-13.2%	N/A	0.9	$53.03
6/30/2023	8,480,000 shares	$458.51 million	-2.8%	N/A	1	$54.07
6/15/2023	8,720,000 shares	$470.79 million	-29.5%	N/A	1	$53.99
5/31/2023	12,360,000 shares	$636.29 million	-23.0%	N/A	1.3	$51.48
5/15/2023	16,050,000 shares	$861.56 million	-10.7%	N/A	1.8	$53.68
4/30/2023	17,970,000 shares	$936.60 million	+16.4%	N/A	2.1	$52.12
4/15/2023	15,440,000 shares	$799.33 million	+1.9%	N/A	1.9	$51.77
3/31/2023	15,160,000 shares	$758.45 million	+5.9%	N/A	1.9	$50.03
3/15/2023	14,310,000 shares	$686.45 million	+12.8%	N/A	2	$47.97
2/28/2023	12,690,000 shares	$592.88 million	+29.9%	N/A	1.8	$46.72
2/15/2023	9,770,000 shares	$462.02 million	-26.2%	N/A	1.5	$47.29
1/31/2023	13,230,000 shares	$611.89 million	-15.3%	N/A	2	$46.25
1/15/2023	15,610,000 shares	$726.33 million	+10.6%	N/A	2.3	$46.53
12/30/2022	14,110,000 shares	$652.87 million	-1.7%	N/A	2.1	$46.27
12/15/2022	14,350,000 shares	$664.69 million	+8.8%	N/A	2.1	$46.32
11/30/2022	13,190,000 shares	$597.11 million	+0.2%	N/A	1.9	$45.27
11/15/2022	13,170,000 shares	$558.67 million	-5.3%	N/A	1.9	$42.42
10/31/2022	13,910,000 shares	$599.66 million	-8.6%	N/A	2	$43.11
10/15/2022	15,220,000 shares	$608.50 million	-8.8%	N/A	2.2	$39.98
9/30/2022	16,690,000 shares	$646.40 million	+3.7%	N/A	2.5	$38.73
9/15/2022	16,100,000 shares	$679.42 million	+5.9%	N/A	2.4	$42.20
8/31/2022	15,210,000 shares	$613.12 million	-9.8%	N/A	2.1	$40.31
8/15/2022	16,860,000 shares	$710.65 million	+22.6%	N/A	2.2	$42.15
7/31/2022	13,750,000 shares	$564.44 million	-14.3%	N/A	1.7	$41.05
7/15/2022	16,040,000 shares	$602.30 million	-2.4%	N/A	1.9	$37.55
6/30/2022	16,440,000 shares	$612.72 million	-13.6%	N/A	1.9	$37.27
6/15/2022	19,020,000 shares	$685.29 million	+25.3%	1.4%	2.2	$36.03
5/31/2022	15,180,000 shares	$622.53 million	+1.2%	1.1%	1.8	$41.01
5/15/2022	15,000,000 shares	$594.90 million	+21.5%	1.1%	1.7	$39.66
4/30/2022	12,350,000 shares	$520.06 million	+3.2%	0.9%	1.4	$42.11
4/15/2022	11,970,000 shares	$529.67 million	-23.6%	0.9%	1.3	$44.25
3/31/2022	15,670,000 shares	$694.02 million	+13.4%	1.1%	1.7	$44.29
3/15/2022	13,820,000 shares	$589.56 million	-21.5%	1.0%	1.5	$42.66
2/28/2022	17,600,000 shares	$777.39 million	-0.3%	1.3%	1.9	$44.17
2/15/2022	17,650,000 shares	$776.78 million	-3.8%	1.3%	1.9	$44.01
1/31/2022	18,340,000 shares	$786.79 million	+19.1%	1.3%	2	$42.90
1/15/2022	15,400,000 shares	$690.84 million	+1.9%	1.1%	1.9	$44.86
12/31/2021	15,120,000 shares	$642.30 million	+11.5%	1.1%	2	$42.48
12/15/2021	13,560,000 shares	$545.65 million	-7.8%	1.0%	1.8	$40.24
11/30/2021	14,700,000 shares	$559.63 million	-6.4%	1.0%	2.1	$38.07
11/15/2021	15,710,000 shares	$649.45 million	-26.0%	1.1%	2.4	$41.34
10/29/2021	21,220,000 shares	$915.22 million	-6.0%	1.5%	3.3	$43.13
10/15/2021	22,570,000 shares	$979.54 million	-5.1%	1.6%	3.6	$43.40
9/30/2021	23,790,000 shares	$1.03 billion	+15.8%	1.7%	3.7	$43.39
The Trump Dump is starting; Get out of stocks now? (Ad) The first 365 days of the Trump presidency… Will be the best time to get rich in American history. If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a
9/15/2021	20,540,000 shares	$924.51 million	+2.7%	1.5%	3.2	$45.01
8/31/2021	20,000,000 shares	$903 million	+19.0%	1.4%	3.2	$45.15
8/13/2021	16,810,000 shares	$745.19 million	+17.9%	1.2%	2.6	$44.33
7/30/2021	14,260,000 shares	$650.26 million	+15.5%	1.0%	2.2	$45.60
7/15/2021	12,350,000 shares	$520.68 million	-2.8%	N/A	1.9	$42.16
6/30/2021	12,710,000 shares	$543.48 million	-5.2%	N/A	1.8	$42.76
6/15/2021	13,400,000 shares	$572.85 million	+17.5%	N/A	1.9	$42.75
5/28/2021	11,400,000 shares	$485.07 million	-2.9%	N/A	1.6	$42.55
5/14/2021	11,740,000 shares	$488.50 million	-29.4%	N/A	1.5	$41.61
4/30/2021	16,620,000 shares	$732.94 million	+13.8%	N/A	2	$44.10
4/15/2021	14,610,000 shares	$579.58 million	-3.2%	N/A	1.7	$39.67
3/31/2021	15,090,000 shares	$587.91 million	-15.1%	N/A	1.6	$38.96
3/15/2021	17,780,000 shares	$690.75 million	-0.2%	N/A	1.8	$38.85
2/26/2021	17,810,000 shares	$706.52 million	-2.3%	N/A	1.5	$39.67
2/12/2021	18,230,000 shares	$708.60 million	+26.8%	N/A	1.5	$38.87
1/29/2021	14,380,000 shares	$522.57 million	-6.6%	N/A	1.1	$36.34
1/15/2021	15,400,000 shares	$556.86 million	+2.2%	N/A	1.1	$36.16
12/31/2020	15,070,000 shares	$535.74 million	-7.8%	N/A	1.1	$35.55
12/15/2020	16,340,000 shares	$546.57 million	+33.7%	N/A	1.2	$33.45
11/30/2020	12,220,000 shares	$410.59 million	-5.8%	N/A	1	$33.60
11/15/2020	12,970,000 shares	$492.60 million	+6.6%	N/A	1.2	$37.98
10/30/2020	12,170,000 shares	$407.70 million	+5.6%	N/A	1.3	$33.50
10/15/2020	11,520,000 shares	$467.94 million	-10.8%	N/A	1.5	$40.62
9/30/2020	12,920,000 shares	$493.67 million	-20.5%	N/A	1.8	$38.21
9/15/2020	16,250,000 shares	$666.58 million	+9.5%	N/A	1.9	$41.02
8/31/2020	14,840,000 shares	$608.74 million	-9.9%	N/A	1.6	$41.02
8/14/2020	16,470,000 shares	$644.97 million	+5.2%	N/A	1.7	$39.16
7/31/2020	15,660,000 shares	$604.01 million	+5.2%	N/A	1.5	$38.57
7/15/2020	14,890,000 shares	$546.46 million	-12.8%	N/A	1.4	$36.70

BSX Short Interest - Frequently Asked Questions

What is Boston Scientific's current short interest?: Short interest is the volume of Boston Scientific shares that have been sold short but have not yet been closed out or covered. As of June 15th, investors have sold 17,490,000 shares of BSX short. 1.19% of Boston Scientific's shares are currently sold short. Learn More on Boston Scientific's current short interest.
What is a good short interest ratio for Boston Scientific?: 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. BSX shares currently have a short interest ratio of 2.0. Learn More on Boston Scientific's short interest ratio.
Which institutional investors are shorting Boston Scientific?: As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Boston Scientific: Quaker Wealth Management LLC, Jane Street Group LLC, Goldman Sachs Group Inc., Millennium Management LLC, Cubist Systematic Strategies LLC, Nomura Holdings Inc., Susquehanna International Group LLP, HAP Trading LLC, BNP Paribas Financial Markets, Eisler Capital Management Ltd., PEAK6 LLC, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Hsbc Holdings PLC, Simplex Trading LLC, JPMorgan Chase & Co., Citigroup Inc., XY Capital Ltd, Delta Accumulation LLC, Readystate Asset Management LP, Allianz Asset Management GmbH, Portman Square Capital LLP, Caas Capital Management LP, Fulcrum Asset Management LLP, Wealth Enhancement Advisory Services LLC, and IMC Chicago LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.
What is a good short interest percentage for Boston Scientific?: 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. 1.19% of Boston Scientific's floating shares are currently sold short.
Is Boston Scientific's short interest increasing or decreasing?: Boston Scientific saw a increase in short interest in the month of June. As of June 15th, there was short interest totaling 17,490,000 shares, an increase of 2.8% from the previous total of 17,020,000 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 Boston Scientific's short interest compare to its competitors?: 1.19% of Boston Scientific's shares are currently sold short. Here is how the short interest of companies in the sector of "medical" compare to Boston Scientific: Abbott Laboratories (1.20%), Intuitive Surgical, Inc. (1.12%), Stryker Corporation (1.43%), Medtronic PLC (0.66%), Becton, Dickinson and Company (1.12%), Edwards Lifesciences Corporation (1.06%), IDEXX Laboratories, Inc. (3.19%), ResMed Inc. (6.82%), DexCom, Inc. (2.40%), STERIS plc (0.74%),
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 ($69.26 billion), Invesco QQQ ($25.22 billion), iShares Russell 2000 ETF ($20.33 billion), iShares 20+ Year Treasury Bond ETF ($9.99 billion), MicroStrategy Incorporated ($9.12 billion), Canadian Natural Resources Limited ($6.73 billion), SPDR S&P Biotech ETF ($6.52 billion), Invesco S&P 500 Equal Weight ETF ($5.60 billion), Financial Select Sector SPDR Fund ($4.64 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.59 billion). View all of the most shorted stocks.
What does it mean to sell short Boston Scientific stock?: Short selling BSX is an investing strategy that aims to generate trading profit from Boston Scientific as its price is falling. BSX shares are trading up $0.67 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 Boston Scientific?: A short squeeze for Boston Scientific 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 BSX, which in turn drives the price of the stock up even further.
How often is Boston Scientific'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 BSX, twice per month. The most recent reporting period available is June, 15 2025.

More Short Interest Resources from MarketBeat

Related Companies

Short Interest Tools

This page (NYSE:BSX) was last updated on 7/5/2025 by MarketBeat.com Staff

From Our Partners

Get 30 Days of MarketBeat All Access for Free

Start Your 30-Day Trial

In-depth profiles and analysis for 20,000 public companies.
Real-time analyst ratings, insider transactions, earnings data, and more.
Our daily ratings and market update email newsletter.

Sign In
Create Account

Your Email Address:

Your Password:

Forgot your password?

Your Email Address:

Choose a Password:

By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Boston Scientific (BSX) Short Interest Ratio & Short Volume

Boston Scientific Short Interest Data

BSX Short Interest Over Time

BSX Days to Cover Over Time

BSX Percentage of Float Shorted Over Time

Boston Scientific Short Interest History

BSX Short Interest - Frequently Asked Questions

More Short Interest Resources from MarketBeat

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

About MarketBeat

MarketBeat Products

Popular Tools

Financial Calendars

Terms & Info

Boston Scientific (BSX) Short Interest Ratio & Short Volume

Boston Scientific Short Interest Data

BSX Short Interest Over Time

BSX Days to Cover Over Time

BSX Percentage of Float Shorted Over Time

Boston Scientific Short Interest History

BSX Short Interest - Frequently Asked Questions

More Short Interest Resources from MarketBeat

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools