COMPASS Pathways (CMPS) Short Interest Ratio & Short Volume $4.34 -0.01 (-0.23%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$4.35 +0.01 (+0.23%) As of 08/1/2025 07:38 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock COMPASS Pathways Short Interest DataCOMPASS Pathways (CMPS) has a short interest of 8.78 million shares. This marks a -7.48% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.4, indicating that it would take 3.4 days of the average trading volume of 2.28 million shares to cover all short positions.Current Short Interest8,780,000 sharesPrevious Short Interest9,490,000 sharesChange Vs. Previous Month-7.48%Dollar Volume Sold Short$31.26 millionShort Interest Ratio3.4 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares93,560,000 sharesPercentage of Shares Shorted9.38%Today's Trading Volume2,524,177 sharesAverage Trading Volume2,277,808 sharesToday's Volume Vs. Average111% Short Selling COMPASS Pathways? Sign up to receive the latest short interest report for COMPASS Pathways and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCMPS Short Interest Over TimeCMPS Days to Cover Over TimeCMPS Percentage of Float Shorted Over Time COMPASS Pathways Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/20258,780,000 shares $31.26 million -7.5%N/A3.4 $3.56 6/30/20259,490,000 shares $26.57 million +79.4%10.6%4.1 $2.80 6/15/20255,290,000 shares $23.22 million +9.3%5.9%2.6 $4.39 5/31/20254,840,000 shares $20.04 million -5.1%7.4%4.4 $4.14 5/15/20255,100,000 shares $20.15 million +2.2%7.8%4.9 $3.95 4/30/20254,990,000 shares $19.86 million +3.1%N/A4.9 $3.98 4/15/20254,840,000 shares $14.62 million -7.5%7.4%4.3 $3.02 3/31/20255,230,000 shares $14.96 million -7.3%8.0%4.4 $2.86 3/15/20255,640,000 shares $19.63 million -8.6%8.6%4.9 $3.48 2/28/20256,170,000 shares $24.25 million +13.4%9.4%5.6 $3.93 Get the Latest News and Ratings for CMPS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for COMPASS Pathways and its competitors with MarketBeat's FREE daily newsletter. 2/15/20255,440,000 shares $24.86 million +21.7%8.3%5.3 $4.57 1/31/20254,470,000 shares $19.27 million +3.7%N/A4.1 $4.31 1/15/20254,310,000 shares $14.87 million +10.8%N/A3.9 $3.45 12/31/20243,890,000 shares $14.70 million +0.3%N/A3.9 $3.78 12/15/20243,880,000 shares $16.37 million +0.8%N/A4.3 $4.22 11/30/20243,850,000 shares $17.69 million -7.7%N/A4.5 $4.60 11/15/20244,170,000 shares $21.02 million -23.5%N/A5 $5.04 10/31/20245,450,000 shares $25.94 million -6.2%N/A7.3 $4.76 10/15/20245,810,000 shares $34.51 million -9.1%N/A11.5 $5.94 9/30/20246,390,000 shares $40.26 million +8.9%N/A12.4 $6.30 9/15/20245,870,000 shares $42.56 million +4.8%N/A13.2 $7.25 8/31/20245,600,000 shares $41.89 million +19.7%N/A12.8 $7.48 8/15/20244,680,000 shares $32.99 million +21.6%N/A10.4 $7.05 7/31/20243,850,000 shares $29.38 million -11.9%N/A9.3 $7.63 7/15/20244,370,000 shares $31.11 million +2.1%N/A10.7 $7.12 6/30/20244,280,000 shares $25.85 million +0.9%N/A10.6 $6.04 6/15/20244,240,000 shares $28.24 million +17.5%N/A8.5 $6.66 5/31/20243,610,000 shares $26.64 million +5.6%N/A6.9 $7.38 5/15/20243,420,000 shares $28.32 million +0.3%N/A5.8 $8.28 4/30/20243,410,000 shares $29.22 million +2.1%N/A5.3 $8.57 4/15/20243,340,000 shares $27.79 million +6.7%N/A4.7 $8.32 3/31/20243,130,000 shares $26.04 million -0.6%N/A4.3 $8.32 3/15/20243,150,000 shares $31.19 million -15.8%N/A4.6 $9.90 2/29/20243,740,000 shares $38.41 million -4.6%N/A4.9 $10.27 2/15/20243,920,000 shares $41.63 million +10.4%N/A5.8 $10.62 1/31/20243,550,000 shares $40.01 million +1.7%N/A5.7 $11.27 1/15/20243,490,000 shares $29.46 million +14.1%N/A6.6 $8.44 12/31/20233,060,000 shares $26.78 million -29.7%N/A5.7 $8.75 12/15/20234,350,000 shares $34.80 million +12.7%N/A8.3 $8.00 11/30/20233,860,000 shares $23.08 million -1.3%N/A8.4 $5.98Man Who Called Nvidia at $1.10 Says Buy This Now... (Ad)In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new company could become the next to soar like Nvidia.Watch Alex's "Next Magnificent Seven" presentation now. 11/15/20233,910,000 shares $23.46 million -4.4%N/A8.9 $6.00 10/31/20234,090,000 shares $23.44 million +0.5%N/A8.7 $5.73 10/15/20234,070,000 shares $24.38 million -1.0%N/A9.1 $5.99 9/30/20234,110,000 shares $30.41 million +4.3%N/A9.1 $7.40 9/15/20233,940,000 shares $37.08 million +0.3%N/A9.2 $9.41 8/31/20233,930,000 shares $35.57 million +3.2%N/A10.6 $9.05 8/15/20233,810,000 shares $29.11 million +3.5%N/A11.1 $7.64 7/31/20233,680,000 shares $34.30 million +6.4%N/A12.4 $9.32 7/15/20233,460,000 shares $31.43 million +44.2%N/A12.1 $9.09 6/30/20232,400,000 shares $19.87 million -1.2%N/A9.1 $8.28 6/15/20232,430,000 shares $19.56 million -3.2%N/A9.6 $8.05 5/31/20232,510,000 shares $18.42 million -8.1%N/A9.5 $7.34 5/15/20232,730,000 shares $23.31 million -0.4%N/A10.2 $8.54 4/30/20232,740,000 shares $21.97 million -1.1%N/A9.9 $8.02 4/15/20232,770,000 shares $27.53 million -35.1%N/A9.7 $9.94 3/31/20234,270,000 shares $42.40 million -6.4%N/A14 $9.93 3/15/20234,560,000 shares $37.48 million -0.7%N/A17 $8.22 2/28/20234,590,000 shares $37.87 million +2.9%N/A17.4 $8.25 2/15/20234,460,000 shares $41.88 million +8.5%N/A17.1 $9.39 1/31/20234,110,000 shares $42.66 million +2.5%N/A15.3 $10.38 1/15/20234,010,000 shares $38.30 million +3.6%N/A14.3 $9.55 12/30/20223,870,000 shares $31.08 million -0.8%N/A13.4 $8.03 12/15/20223,900,000 shares $38.03 million No ChangeN/A13 $9.75 11/30/20223,900,000 shares $40.17 million -1.5%N/A12.5 $10.30 11/15/20223,960,000 shares $42.29 million +1.3%N/A11.9 $10.68 10/31/20223,910,000 shares $41.21 million +0.3%N/A10.9 $10.54 10/15/20223,900,000 shares $36.89 million +1.0%N/A10.5 $9.46 9/30/20223,860,000 shares $41.42 million +0.3%N/A10.2 $10.73 9/15/20223,850,000 shares $56.36 million +5.8%N/A10.6 $14.64 8/31/20223,640,000 shares $59.48 million +7.4%N/A10 $16.34 8/15/20223,390,000 shares $60.65 million -2.6%N/A9.6 $17.89 7/31/20223,480,000 shares $54.25 million -4.1%N/A9.6 $15.59 7/15/20223,630,000 shares $43.89 million +5.2%N/A10.6 $12.09 6/30/20223,450,000 shares $37.33 million +16.6%N/A11 $10.82 6/15/20222,960,000 shares $27.85 million -3.3%N/A9.7 $9.41 5/31/20223,060,000 shares $27.82 million +1.3%N/A10.2 $9.09 5/15/20223,020,000 shares $23.04 million +8.2%N/A10 $7.63 4/30/20222,790,000 shares $25.28 million +3.0%N/A10.3 $9.06 4/15/20222,710,000 shares $34.15 million +9.3%N/A10.2 $12.60 3/31/20222,480,000 shares $31.97 million +9.3%N/A7.8 $12.89 3/15/20222,270,000 shares $26.08 million No ChangeN/A6.3 $11.49 2/28/20222,270,000 shares $32.78 million +9.7%N/A5.1 $14.44 2/15/20222,070,000 shares $31.51 million +13.1%N/A4.2 $15.22 1/31/20221,830,000 shares $28.82 million +16.6%N/A2.5 $15.75 1/15/20221,570,000 shares $28.10 million +3.3%N/A2 $17.90 12/31/20211,520,000 shares $33.59 million +68.6%N/A1.9 $22.10 12/15/2021901,400 shares $21.39 million +11.5%N/A1.2 $23.73 11/30/2021808,700 shares $26.85 million -16.6%N/A1.2 $33.20 11/15/2021970,000 shares $33.86 million -13.4%N/A1.6 $34.91 10/29/20211,120,000 shares $47.26 million +44.7%N/A2 $42.20Man Who Called Nvidia at $1.10 Says Buy This Now... (Ad)In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new company could become the next to soar like Nvidia.Watch Alex's "Next Magnificent Seven" presentation now. 10/15/2021774,200 shares $24.94 million +38.2%N/A2.2 $32.22 9/30/2021560,300 shares $16.74 million -0.2%N/A1.7 $29.87 9/15/2021561,300 shares $18.27 million +38.0%N/A1.6 $32.55 8/31/2021406,900 shares $13.79 million -35.3%N/A1.1 $33.90 8/13/2021629,200 shares $19.04 million +16.0%N/A1.6 $30.26 7/30/2021542,300 shares $19.24 million +16.1%1.5%1.3 $35.48 7/15/2021467,100 shares $16.24 million -64.1%1.3%1 $34.76 6/30/20211,300,000 shares $49.60 million -12.8%3.6%2.7 $38.15 6/15/20211,490,000 shares $56.49 million -8.6%4.1%3.3 $37.91 5/28/20211,630,000 shares $56.56 million -12.8%4.5%3.7 $34.70 5/14/20211,870,000 shares $61.32 million +4.5%5.2%4.2 $32.79 4/30/20211,790,000 shares $69.74 million -2.7%5.1%3.8 $38.96 4/15/20211,840,000 shares $66.15 million +14.3%5.2%4.7 $35.95 3/31/20211,610,000 shares $56.83 million +5.9%4.6%4.1 $35.30 3/15/20211,520,000 shares $62.78 million +28.8%4.3%4 $41.30 2/26/20211,180,000 shares $56.89 million +24.6%3.3%3.1 $48.21 2/12/2021947,300 shares $47.35 million -5.3%2.7%2.4 $49.98 1/29/20211,000,000 shares $43.97 million +4.3%N/A3 $43.97 1/15/2021959,200 shares $41.08 million No ChangeN/A2.6 $42.83 CMPS Short Interest - Frequently Asked Questions What is COMPASS Pathways' current short interest? Short interest is the volume of COMPASS Pathways shares that have been sold short but have not yet been covered or closed out. As of July 15th, investors have sold 8,780,000 shares of CMPS short. Learn More on COMPASS Pathways' current short interest. What is a good short interest ratio for COMPASS Pathways? 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. CMPS shares currently have a short interest ratio of 3.0. Learn More on COMPASS Pathways's short interest ratio. Which institutional investors are shorting COMPASS Pathways? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of COMPASS Pathways: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is COMPASS Pathways' short interest increasing or decreasing? COMPASS Pathways saw a drop in short interest in July. As of July 15th, there was short interest totaling 8,780,000 shares, a drop of 7.5% from the previous total of 9,490,000 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. How does COMPASS Pathways' short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to COMPASS Pathways: Adaptive Biotechnologies Corporation (6.38%), Janux Therapeutics, Inc. (19.48%), AbCellera Biologics Inc. (15.95%), 89BIO (10.59%), Vera Therapeutics, Inc. (18.11%), ANI Pharmaceuticals, Inc. (9.83%), Biohaven Ltd. (13.20%), Edgewise Therapeutics, Inc. (14.36%), Travere Therapeutics, Inc. (14.48%), Cogent Biosciences, Inc. (12.09%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short COMPASS Pathways stock? Short selling CMPS is an investing strategy that aims to generate trading profit from COMPASS Pathways as its price is falling. CMPS shares are trading down $0.01 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 COMPASS Pathways? A short squeeze for COMPASS Pathways 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 CMPS, which in turn drives the price of the stock up even further. How often is COMPASS Pathways' 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 CMPS, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies Adaptive Biotechnologies Short Interest Data Janux Therapeutics Short Interest Data AbCellera Biologics Short Interest Data 89BIO Short Interest Data Vera Therapeutics Short Interest Data ANI Pharmaceuticals Short Interest Data Biohaven Short Interest Data Edgewise Therapeutics Short Interest Data Travere Therapeutics Short Interest Data Cogent Biosciences Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:CMPS) was last updated on 8/3/2025 by MarketBeat.com Staff From Our PartnersMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. 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