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Outset Medical (OM) Short Interest Ratio & Short Volume

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$13.29 +0.40 (+3.10%)
Closing price 08/15/2025 04:00 PM Eastern
Extended Trading
$13.20 -0.08 (-0.64%)
As of 08/15/2025 04:57 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.

Outset Medical Short Interest Data

Outset Medical (OM) has a short interest of 2.16 million shares, representing 12.72% of the float (the number of shares available for trading by the public). This marks a -1.37% 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 360,714 shares to cover all short positions.

Current Short Interest
2,160,000 shares
Previous Short Interest
2,190,000 shares
Change Vs. Previous Month
-1.37%
Dollar Volume Sold Short
$34.69 million
Short Interest Ratio
5.5 Days to Cover
Last Record Date
July 31, 2025
Outstanding Shares
17,766,000 shares
Float Size
16,980,000 shares
Short Percent of Float
12.72%
Today's Trading Volume
194,871 shares
Average Trading Volume
360,714 shares
Today's Volume Vs. Average
54%
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OM Short Interest Over Time

OM Days to Cover Over Time

OM Percentage of Float Shorted Over Time

Outset Medical Short Interest History

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/31/20252,160,000 shares $34.69 million -1.4%12.7%5.5 $16.06
7/15/20252,190,000 shares $39.60 million -4.4%12.9%6.5 $18.08
6/30/20252,290,000 shares $43.99 million +126.7%13.5%7.3 $19.21
6/15/20251,010,000 shares $20.16 million +78.9%6.0%4.1 $19.96
5/31/2025564,600 shares $10.02 million +0.5%3.3%3 $17.75
5/15/2025561,800 shares $10.98 million -49.8%3.3%3.6 $19.55
4/30/20251,120,000 shares $11.92 million +9.8%32.0%9.3 $10.64
4/15/20251,020,000 shares $11.61 million +16.3%29.1%10.3 $11.38
3/31/2025876,800 shares $9.70 million +11.3%25.1%8.4 $11.06
3/15/2025787,800 shares $6.53 million -93.0%22.5%9.3 $8.30
2/28/202511,230,000 shares $8.17 million +12.2%21.8%10.3 $0.73
2/15/202510,010,000 shares $9.00 million +10.2%19.4%9.2 $0.90
1/31/20259,080,000 shares $7.26 million +40.6%N/A8.3 $0.80
1/15/20256,460,000 shares $4.93 million +162.6%N/A5.9 $0.76
12/31/20242,460,000 shares $2.73 million -6.1%N/A2.6 $1.11
12/15/20242,620,000 shares $2.91 million -6.4%N/A3.4 $1.11
11/30/20242,800,000 shares $2.51 million -3.5%N/A2.9 $0.90
11/15/20242,900,000 shares $2.30 million -13.4%N/A2.8 $0.79
10/31/20243,350,000 shares $1.91 million -3.5%N/A2.3 $0.57
10/15/20243,470,000 shares $2.12 million No ChangeN/A1.9 $0.61
9/30/20243,470,000 shares $2.35 million -21.0%N/A1.9 $0.68
9/15/20244,390,000 shares $2.33 million +12.6%N/A2.2 $0.53
8/31/20243,900,000 shares $2.07 million +6.6%N/A2 $0.53
8/15/20243,660,000 shares $3.00 million -48.5%N/A2 $0.82
7/31/20247,100,000 shares $25.21 million -6.5%N/A4.8 $3.55
7/15/20247,590,000 shares $31.95 million -11.3%N/A6.1 $4.21
6/30/20248,560,000 shares $32.96 million -1.7%N/A6.3 $3.85
6/15/20248,710,000 shares $33.53 million No ChangeN/A7 $3.85
5/31/20248,710,000 shares $32.49 million -3.5%N/A7.1 $3.73
5/15/20249,030,000 shares $32.15 million -4.4%N/A6.8 $3.56
4/30/20249,450,000 shares $23.91 million +10.1%N/A7.7 $2.53
4/15/20248,580,000 shares $17.50 million +2.6%N/A9 $2.04
3/31/20248,360,000 shares $18.56 million -1.9%N/A8.2 $2.22
3/15/20248,520,000 shares $18.49 million +5.3%N/A8.4 $2.17
2/29/20248,090,000 shares $25.48 million +0.9%N/A8.1 $3.15
2/15/20248,020,000 shares $28.47 million -3.6%N/A8.8 $3.55
1/31/20248,320,000 shares $25.29 million +2.2%N/A7.7 $3.04
1/15/20248,140,000 shares $36.47 million +11.2%N/A6.5 $4.48
12/31/20237,320,000 shares $39.60 million -3.8%N/A5 $5.41
12/15/20237,610,000 shares $45.96 million -1.2%N/A5.3 $6.04
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11/30/20237,700,000 shares $40.35 million -3.6%N/A5.6 $5.24
11/15/20237,990,000 shares $41.23 million -5.1%N/A6.1 $5.16
10/31/20238,420,000 shares $29.81 million +3.3%N/A7 $3.54
10/15/20238,150,000 shares $27.63 million -1.5%N/A8.4 $3.39
9/30/20238,270,000 shares $89.98 million +8.4%N/A14.2 $10.88
9/15/20237,630,000 shares $93.93 million -0.3%N/A14.6 $12.31
8/31/20237,650,000 shares $104.12 million -1.4%17.5%15.6 $13.61
8/15/20237,760,000 shares $121.29 million -6.4%N/A16.3 $15.63
7/31/20238,290,000 shares $170.61 million +1.3%N/A17.2 $20.58
7/15/20238,180,000 shares $156.97 million +6.4%N/A17.7 $19.19
6/30/20237,690,000 shares $168.18 million +7.1%N/A16.7 $21.87
6/15/20237,180,000 shares $164.92 million -1.5%N/A15.4 $22.97
5/31/20237,290,000 shares $151.85 million +0.7%N/A14.1 $20.83
5/15/20237,240,000 shares $145.96 million +6.2%N/A13.5 $20.16
4/30/20236,820,000 shares $122.69 million -0.3%N/A11.8 $17.99
4/15/20236,840,000 shares $123.53 million +12.7%N/A12.6 $18.06
3/31/20236,070,000 shares $111.69 million +3.4%N/A11 $18.40
3/15/20235,870,000 shares $116.64 million +5.6%N/A10.7 $19.87
2/28/20235,560,000 shares $126.82 million +16.8%N/A11.2 $22.81
2/15/20234,760,000 shares $119.57 million -1.9%N/A9.5 $25.12
1/31/20234,850,000 shares $136.38 million +14.9%N/A9 $28.12
1/15/20234,220,000 shares $113.43 million +9.3%N/A7.6 $26.88
12/30/20223,860,000 shares $99.67 million +1.3%N/A7.3 $25.82
12/15/20223,810,000 shares $91.67 million -2.1%N/A7.5 $24.06
11/30/20223,890,000 shares $82.00 million -9.3%N/A7.5 $21.08
11/15/20224,290,000 shares $83.78 million -2.9%N/A8.7 $19.53
10/31/20224,420,000 shares $68.69 million -6.6%N/A10.2 $15.54
10/15/20224,730,000 shares $66.50 million +7.5%N/A9.8 $14.06
9/30/20224,400,000 shares $70.09 million -2.0%N/A8.5 $15.93
9/15/20224,490,000 shares $83.07 million +4.7%N/A8.3 $18.50
8/31/20224,290,000 shares $78.46 million -5.9%N/A6 $18.29
8/15/20224,560,000 shares $98.95 million +5.6%N/A6.2 $21.70
7/31/20224,320,000 shares $66.74 million +8.5%N/A5.2 $15.45
7/15/20223,980,000 shares $66.27 million -3.4%N/A5.5 $16.65
6/30/20224,120,000 shares $61.22 million -37.4%N/A6.1 $14.86
6/15/20226,580,000 shares $95.94 million +5.1%N/A10 $14.58
5/31/20226,260,000 shares $136.47 million +3.5%N/A14 $21.80
5/15/20226,050,000 shares $150.40 million -9.7%N/A14.3 $24.86
4/30/20226,700,000 shares $233.70 million +0.5%N/A17.5 $34.88
4/15/20226,670,000 shares $292.55 million +0.8%N/A18.8 $43.86
3/31/20226,620,000 shares $300.55 million +5.1%N/A15.9 $45.40
3/15/20226,300,000 shares $250.99 million -1.4%N/A15.3 $39.84
2/28/20226,390,000 shares $280.97 million +3.9%N/A13.1 $43.97
2/15/20226,150,000 shares $218.69 million +4.2%N/A12.1 $35.56
1/31/20225,900,000 shares $219.42 million +6.1%N/A12.4 $37.19
1/15/20225,560,000 shares $202.44 million +5.5%N/A11.4 $36.41
12/31/20215,270,000 shares $242.89 million +2.1%N/A12.4 $46.09
12/15/20215,160,000 shares $230.55 million +14.7%N/A11.6 $44.68
11/30/20214,500,000 shares $213.30 million No ChangeN/A10.6 $47.40
11/15/20214,500,000 shares $235.49 million +5.9%N/A10.3 $52.33
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10/29/20214,250,000 shares $226.40 million -3.9%N/A9.2 $53.27
10/15/20214,420,000 shares $215.03 million +4.0%9.8%9.1 $48.65
9/30/20214,250,000 shares $210.12 million +29.6%10.6%8.6 $49.44
9/15/20213,280,000 shares $169.41 million +15.1%7.3%5.6 $51.65
8/31/20212,850,000 shares $140.48 million +3.6%6.3%5.1 $49.29
8/13/20212,750,000 shares $107.25 million -13.8%6.1%4.8 $39.00
7/30/20213,190,000 shares $130.66 million -7.3%7.1%5.6 $40.96
7/15/20213,440,000 shares $149.71 million +1.5%7.7%6.4 $43.52
6/30/20213,390,000 shares $169.43 million +40.7%7.6%6 $49.98
6/15/20212,410,000 shares $116.33 million -0.4%5.4%4.4 $48.27
5/28/20212,420,000 shares $116.81 million +4.3%5.4%4.4 $48.27
5/14/20212,320,000 shares $96.26 million +18.4%5.2%4.7 $41.49
4/30/20211,960,000 shares $114.01 million -6.7%4.4%4.4 $58.17
4/15/20212,100,000 shares $114.45 million +60.3%4.8%5.3 $54.50
3/31/20211,310,000 shares $67.99 million +4.0%3.8%3.4 $51.90
3/15/20211,260,000 shares $64.40 million +35.2%3.6%4 $51.11
2/26/2021932,000 shares $46.20 million +1.6%2.7%3 $49.57
2/12/2021917,100 shares $52.25 million -3.6%2.6%2.9 $56.97
1/29/2021951,200 shares $50.41 million -11.1%2.7%2.9 $53.00
1/15/20211,070,000 shares $52.73 million No Change3.1%3.2 $49.28

OM Short Interest - Frequently Asked Questions

What is Outset Medical's current short interest?

Short interest is the volume of Outset Medical shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 2,160,000 shares of OM short. 12.72% of Outset Medical's shares are currently sold short. Learn More on Outset Medical's current short interest.

What is a good short interest ratio for Outset Medical?

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. OM shares currently have a short interest ratio of 6.0. Learn More on Outset Medical's short interest ratio.

Which institutional investors are shorting Outset Medical?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Outset Medical: Group One Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for Outset Medical?

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. 12.72% of Outset Medical's floating shares are currently sold short.

Is Outset Medical's short interest increasing or decreasing?

Outset Medical saw a drop in short interest in July. As of July 31st, there was short interest totaling 2,160,000 shares, a drop of 1.4% from the previous total of 2,190,000 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 Outset Medical's float size?

Outset Medical currently has issued a total of 17,766,000 shares. Some of Outset Medical'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. Outset Medical currently has a public float of 16,980,000 shares.

How does Outset Medical's short interest compare to its competitors?

12.72% of Outset Medical's shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to Outset Medical: InMode Ltd. (5.83%), iRadimed Corporation (1.68%), Tandem Diabetes Care, Inc. (13.20%), Embecta Corp. (5.73%), SiBone (4.52%), AxoGen, Inc. (9.17%), Semler Scientific Inc. (20.47%), ZimVie Inc. (2.90%), AVANOS MEDICAL, INC. (4.23%), OrthoPediatrics Corp. (6.99%),

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 Outset Medical stock?

Short selling OM is an investing strategy that aims to generate trading profit from Outset Medical as its price is falling. OM shares are trading up $0.40 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 Outset Medical?

A short squeeze for Outset Medical 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 OM, which in turn drives the price of the stock up even further.

How often is Outset Medical'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 OM, twice per month. The most recent reporting period available is July, 31 2025.




This page (NASDAQ:OM) was last updated on 8/17/2025 by MarketBeat.com Staff
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