Acadia Healthcare (ACHC) Short Interest Ratio & Short Volume $21.99 +0.62 (+2.90%) As of 03:49 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Acadia Healthcare Short Interest DataAcadia Healthcare (ACHC) has a short interest of 10.60 million shares. This marks a -4.07% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.8, indicating that it would take 4.8 days of the average trading volume of 2.14 million shares to cover all short positions.Current Short Interest10,600,000 sharesPrevious Short Interest11,050,000 sharesChange Vs. Previous Month-4.07%Dollar Volume Sold Short$246.66 millionShort Interest Ratio4.8 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares92,120,000 sharesPercentage of Shares Shorted11.51%Today's Trading Volume2,223,056 sharesAverage Trading Volume2,139,084 sharesToday's Volume Vs. Average104% Short Selling Acadia Healthcare? Sign up to receive the latest short interest report for Acadia Healthcare and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartACHC Short Interest Over TimeACHC Days to Cover Over TimeACHC Percentage of Float Shorted Over Time Acadia Healthcare Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/202510,600,000 shares $246.66 million -4.1%N/A4.8 $23.27 6/30/202511,050,000 shares $250.72 million +18.8%12.4%4.4 $22.69 6/15/20259,300,000 shares $197.44 million -3.2%10.4%3.7 $21.23 5/31/20259,610,000 shares $218.82 million +0.2%10.8%3.9 $22.77 5/15/20259,590,000 shares $245.89 million +14.2%10.7%3.5 $25.64 4/30/20258,400,000 shares $196.56 million +11.4%9.4%3.4 $23.40 4/15/20257,540,000 shares $186.46 million +6.4%8.4%3.4 $24.73 3/31/20257,090,000 shares $214.97 million +8.7%7.8%3.6 $30.32 3/15/20256,520,000 shares $186.08 million +27.3%7.2%3.5 $28.54 2/28/20255,120,000 shares $153.50 million -11.1%5.6%2.8 $29.98 Get the Latest News and Ratings for ACHC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Acadia Healthcare and its competitors with MarketBeat's FREE daily newsletter. 2/15/20255,760,000 shares $236.51 million +4.5%6.3%3.8 $41.06 1/31/20255,510,000 shares $248.56 million -6.9%N/A3.5 $45.11 1/15/20255,920,000 shares $254.80 million -11.2%N/A3.4 $43.04 12/31/20246,670,000 shares $264.47 million -2.6%N/A3.8 $39.65 12/15/20246,850,000 shares $278.52 million +0.6%N/A3.7 $40.66 11/30/20246,810,000 shares $276.69 million +4.0%N/A4.1 $40.63 11/15/20246,550,000 shares $247.72 million +9.4%N/A4.1 $37.82 10/31/20245,990,000 shares $255.71 million +7.5%N/A4 $42.69 10/15/20245,570,000 shares $317.27 million +32.0%N/A4 $56.96 9/30/20244,220,000 shares $267.59 million +13.1%N/A3.3 $63.41 9/15/20243,730,000 shares $291.80 million -3.4%N/A4.1 $78.23 8/31/20243,860,000 shares $316.25 million +5.8%N/A4.2 $81.93 8/15/20243,650,000 shares $270.57 million +3.1%N/A3.8 $74.13 7/31/20243,540,000 shares $229.57 million -1.1%N/A3.5 $64.85 7/15/20243,580,000 shares $233.34 million -6.3%N/A3.9 $65.18 6/30/20243,820,000 shares $258.00 million -4.7%N/A4.4 $67.54 6/15/20244,010,000 shares $262.25 million +11.1%N/A4.7 $65.40 5/31/20243,610,000 shares $248.69 million +10.4%N/A4.1 $68.89 5/15/20243,270,000 shares $224.94 million +1.9%N/A4.1 $68.79 4/30/20243,210,000 shares $237.35 million -8.8%N/A4.8 $73.94 4/15/20243,520,000 shares $257.35 million -5.6%3.9%6.2 $73.11 3/31/20243,730,000 shares $295.49 million +11.3%4.2%6.6 $79.22 3/15/20243,350,000 shares $260.60 million +20.5%3.7%6.2 $77.79 2/29/20242,780,000 shares $231.99 million -15.2%3.1%5.5 $83.45 2/15/20243,280,000 shares $272.90 million +1.9%3.7%6.9 $83.20 1/31/20243,220,000 shares $264.49 million +3.2%3.6%6.7 $82.14 1/15/20243,120,000 shares $267.88 million +4.0%3.5%5.9 $85.86 12/31/20233,000,000 shares $233.28 million -5.7%3.4%5.4 $77.76 12/15/20233,180,000 shares $239.87 million +8.2%3.6%5.8 $75.43 11/30/20232,940,000 shares $214.59 million +4.6%3.3%5.5 $72.99Market Panic: Trump Just Dropped a Bomb on Your Stocks (Ad)tock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tariffs just lit the fuse. Millions of investors are blindsided as stocks plunge… but this is only Phase 1. If you're still holding the wrong assets, you could lose 30% or more in the coming weeks.Don't wait for the next drop to wipe you out. Get the FREE Guide Before Markets Open Tomorrow 11/15/20232,810,000 shares $210.53 million -3.8%3.1%5.4 $74.92 10/31/20232,920,000 shares $214.65 million +1.0%3.3%5.9 $73.51 10/15/20232,890,000 shares $220.59 million -3.3%3.2%6.1 $76.33 9/30/20232,990,000 shares $210.23 million +4.9%3.3%5.9 $70.31 9/15/20232,850,000 shares $199.76 million -2.4%3.2%5.3 $70.09 8/31/20232,920,000 shares $225.13 million +2.8%3.3%5 $77.10 8/15/20232,840,000 shares $218.62 million -6.6%3.2%4.5 $76.98 7/31/20233,040,000 shares $240.25 million -25.3%3.4%4.5 $79.03 7/15/20234,070,000 shares $306.47 million -10.8%4.6%5.7 $75.30 6/30/20234,560,000 shares $363.16 million +17.2%5.1%7.2 $79.64 6/15/20233,890,000 shares $285.84 million +4.0%4.4%6.3 $73.48 5/31/20233,740,000 shares $264.16 million -3.9%4.2%6.5 $70.63 5/15/20233,890,000 shares $279.30 million +8.1%4.4%6.1 $71.80 4/30/20233,600,000 shares $260.24 million -0.3%4.0%5.8 $72.29 4/15/20233,610,000 shares $273.42 million -1.9%4.1%6.2 $75.74 3/31/20233,680,000 shares $265.88 million -2.1%4.2%6.4 $72.25 3/15/20233,760,000 shares $257.41 million +3.0%4.2%6.6 $68.46 2/28/20233,650,000 shares $264.66 million +0.8%4.1%6 $72.51 2/15/20233,620,000 shares $293.94 million -3.0%4.1%6.8 $81.20 1/31/20233,730,000 shares $313.39 million +9.7%4.2%6.5 $84.02 1/15/20233,400,000 shares $292.40 million +0.9%3.8%5.6 $86.00 12/30/20223,370,000 shares $277.42 million -2.0%3.8%5.5 $82.32 12/15/20223,440,000 shares $291.92 million -5.2%3.9%5.3 $84.86 11/30/20223,630,000 shares $323.29 million -2.2%4.1%5.6 $89.06 11/15/20223,710,000 shares $301.10 million -11.0%4.2%5.9 $81.16 10/31/20224,170,000 shares $339.02 million -7.5%4.7%6.9 $81.30 10/15/20224,510,000 shares $361.66 million +4.2%5.1%7.7 $80.19 9/30/20224,330,000 shares $338.52 million +2.1%4.9%7.4 $78.18 9/15/20224,240,000 shares $355.31 million +3.2%4.8%7.2 $83.80 8/31/20224,110,000 shares $336.73 million +12.6%4.6%7.1 $81.93 8/15/20223,650,000 shares $301.60 million +3.1%4.1%6.8 $82.63 7/31/20223,540,000 shares $293.50 million +3.8%4.0%6.4 $82.91 7/15/20223,410,000 shares $259.19 million +1.5%4.0%5.7 $76.01 6/30/20223,360,000 shares $227.24 million -7.4%3.9%5.3 $67.63 6/15/20223,630,000 shares $239.40 million +3.1%4.2%5.6 $65.95 5/31/20223,520,000 shares $250.52 million -5.9%4.0%5.5 $71.17 5/15/20223,740,000 shares $264.01 million +4.2%4.2%5.6 $70.59 4/30/20223,590,000 shares $243.69 million +18.5%4.0%5.6 $67.88 4/15/20223,030,000 shares $227.31 million +9.0%3.4%5.2 $75.02 3/31/20222,780,000 shares $182.17 million -14.7%3.2%5.1 $65.53 3/15/20223,260,000 shares $209.75 million -4.4%3.7%7.1 $64.34 2/28/20223,410,000 shares $193.38 million +3.3%3.9%7.6 $56.71 2/15/20223,300,000 shares $180.41 million +10.4%3.7%7.9 $54.67 1/31/20222,990,000 shares $157.42 million +6.8%3.4%7.3 $52.65 1/15/20222,800,000 shares $161.36 million +2.6%3.2%6.5 $57.63 12/31/20212,730,000 shares $165.71 million -1.4%3.1%6.5 $60.70 12/15/20212,770,000 shares $160.49 million -1.8%3.1%6.5 $57.94 11/30/20212,820,000 shares $158.40 million +1.4%3.2%6.3 $56.17 11/15/20212,780,000 shares $180.45 million No Change3.1%6.3 $64.91 10/29/20212,780,000 shares $172.36 million -5.1%3.1%6.1 $62.00Market Panic: Trump Just Dropped a Bomb on Your Stocks (Ad)tock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tariffs just lit the fuse. Millions of investors are blindsided as stocks plunge… but this is only Phase 1. If you're still holding the wrong assets, you could lose 30% or more in the coming weeks.Don't wait for the next drop to wipe you out. Get the FREE Guide Before Markets Open Tomorrow 10/15/20212,930,000 shares $166.69 million +0.3%3.3%6.9 $56.89 9/30/20212,920,000 shares $186.24 million -9.6%3.3%6.9 $63.78 9/15/20213,230,000 shares $192.96 million +4.5%3.7%8.1 $59.74 8/31/20213,090,000 shares $204.31 million +12.4%3.5%8.5 $66.12 8/13/20212,750,000 shares $170.23 million +8.7%3.1%7.5 $61.90 7/30/20212,530,000 shares $156.15 million -10.9%2.9%7 $61.72 7/15/20212,840,000 shares $171.51 million -4.7%3.2%7.4 $60.39 6/30/20212,980,000 shares $187.00 million -10.8%3.4%7.5 $62.75 6/15/20213,340,000 shares $219.47 million -4.6%3.8%8 $65.71 5/28/20213,500,000 shares $225.26 million -5.2%4.0%7.8 $64.36 5/14/20213,690,000 shares $234.39 million -4.7%4.2%6.7 $63.52 4/30/20213,870,000 shares $237.66 million -7.6%4.4%6.5 $61.41 4/15/20214,190,000 shares $246.67 million -1.6%4.8%7.1 $58.87 3/31/20214,260,000 shares $248.95 million -5.3%4.8%7.2 $58.44 3/15/20214,500,000 shares $268.74 million -1.3%5.2%7.2 $59.72 2/26/20214,560,000 shares $234.20 million -16.2%5.2%7.2 $51.36 2/12/20215,440,000 shares $289.30 million +1.3%6.2%9.4 $53.18 1/29/20215,370,000 shares $273.28 million -2.5%6.2%9.7 $50.89 1/15/20215,510,000 shares $280.18 million No Change6.3%9.5 $50.85 ACHC Short Interest - Frequently Asked Questions What is Acadia Healthcare's current short interest? Short interest is the volume of Acadia Healthcare shares that have been sold short but have not yet been closed out or covered. As of July 15th, investors have sold 10,600,000 shares of ACHC short. Learn More on Acadia Healthcare's current short interest. What is a good short interest ratio for Acadia Healthcare? 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. ACHC shares currently have a short interest ratio of 5.0. Learn More on Acadia Healthcare's short interest ratio. Which institutional investors are shorting Acadia Healthcare? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Acadia Healthcare: Jane Street Group LLC, Repertoire Partners LP, Cubist Systematic Strategies LLC, Jane Street Group LLC, Walleye Trading LLC, and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Acadia Healthcare's short interest increasing or decreasing? Acadia Healthcare saw a decline in short interest during the month of July. As of July 15th, there was short interest totaling 10,600,000 shares, a decline of 4.1% from the previous total of 11,050,000 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 Acadia Healthcare's short interest compare to its competitors? Here is how the short interest of companies compare to Acadia Healthcare: Integer Holdings Corporation (7.48%), Select Medical Holdings Corporation (2.69%), Brookdale Senior Living Inc. (4.60%), U.S. Physical Therapy, Inc. (3.80%), Petco Health and Wellness Company, Inc. (15.56%), Community Health Systems, Inc. (11.21%), HCA Healthcare, Inc. (2.28%), Alcon (1.41%), Tenet Healthcare Corporation (3.18%), Encompass Health Corporation (1.00%), 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 Acadia Healthcare stock? Short selling ACHC is an investing strategy that aims to generate trading profit from Acadia Healthcare as its price is falling. ACHC shares are trading up $0.83 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 Acadia Healthcare? A short squeeze for Acadia Healthcare 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 ACHC, which in turn drives the price of the stock up even further. How often is Acadia Healthcare'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 ACHC, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies ITGR Short Interest SEM Short Interest BKD Short Interest USPH Short Interest WOOF Short Interest CYH Short Interest HCA Short Interest ALC Short Interest THC Short Interest EHC Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:ACHC) was last updated on 8/5/2025 by MarketBeat.com Staff From Our PartnersBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Crypto 101 Media | SponsoredMusk’s Project Colossus could mint millionairesI predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | SponsoredMan 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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