COMPASS Pathways (CMPS) Short Interest Ratio & Short Volume $4.76 +0.09 (+1.93%) Closing price 06/10/2025 04:00 PM EasternExtended Trading$4.82 +0.07 (+1.37%) As of 06/10/2025 07:33 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock COMPASS Pathways Short Interest DataCOMPASS Pathways (CMPS) has a short interest of 5.10 million shares, representing 7.78% of the float (the number of shares available for trading by the public). This marks a 2.20% increase in short interest from the previous month. The short interest ratio (days to cover) is 4.9, indicating that it would take 4.9 days of the average trading volume of 875,770 shares to cover all short positions.Current Short Interest5,100,000 sharesPrevious Short Interest4,990,000 sharesChange Vs. Previous Month+2.20%Dollar Volume Sold Short$20.15 millionShort Interest Ratio4.9 Days to CoverLast Record DateMay 15, 2025Outstanding Shares93,562,000 sharesShort Percent of Float7.78%Today's Trading Volume2,552,832 sharesAverage Trading Volume875,770 sharesToday's Volume Vs. Average291% 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 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 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 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. 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 $5.98 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 $7.40Why July 22nd Could Mean Big Changes for Social Security (Ad)In a stunning move, President Trump has authorized an AI-led transformation of federal agencies, including Social Security — and his plan is set to roll out July 22. What's coming next isn't about trimming waste.To see the full playbook and how it could impact everyone, click here. 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 $42.20 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 $33.90AI Meltdown Imminent: Dump These Stocks Now! 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And it could happen starting as soon as June 1st.Click here to see the details and learn how to prepare for the next AI revolution 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 closed out or covered. As of May 15th, traders have sold 5,100,000 shares of CMPS short. 7.78% of COMPASS Pathways' shares are currently sold 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 5.0. 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. What is a good short interest percentage for COMPASS Pathways? 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. 7.78% of COMPASS Pathways' floating shares are currently sold short. Is COMPASS Pathways' short interest increasing or decreasing? COMPASS Pathways saw a increase in short interest in May. As of May 15th, there was short interest totaling 5,100,000 shares, an increase of 2.2% from the previous total of 4,990,000 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? 7.78% of COMPASS Pathways' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to COMPASS Pathways: Bausch Health Companies Inc. (2.81%), Beam Therapeutics Inc. (26.27%), Arcutis Biotherapeutics, Inc. (15.14%), Biohaven Ltd. (9.62%), Schrödinger, Inc. (15.35%), Edgewise Therapeutics, Inc. (17.14%), Janux Therapeutics, Inc. (23.30%), 89bio, Inc. (15.01%), Adaptive Biotechnologies Co. (6.57%), Dyne Therapeutics, Inc. (28.77%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 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 up $0.09 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 appreciates 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 May, 15 2025. More Short Interest Resources from MarketBeat Related Companies Bausch Health Companies Short Interest Data Beam Therapeutics Short Interest Data Arcutis Biotherapeutics Short Interest Data Biohaven Short Interest Data Schrödinger Short Interest Data Edgewise Therapeutics Short Interest Data Janux Therapeutics Short Interest Data 89bio Short Interest Data Adaptive Biotechnologies Short Interest Data Dyne Therapeutics 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 6/11/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredElon’s NEXT Big IPO?Cancel your internet TODAY!? 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