Acadia Healthcare (ACHC) Short Interest Ratio & Short Volume $22.17 -0.27 (-1.20%) Closing price 04:00 PM EasternExtended Trading$22.38 +0.21 (+0.94%) As of 06:58 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Acadia Healthcare Short Interest DataAcadia Healthcare (ACHC) has a short interest of 10.54 million shares, representing 11.56% of the float (the number of shares available for trading by the public). This marks a -0.57% 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 2.59 million shares to cover all short positions.Current Short Interest10,540,000 sharesPrevious Short Interest10,600,000 sharesChange Vs. Previous Month-0.57%Dollar Volume Sold Short$229.46 millionShort Interest Ratio4.8 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares92,350,000 sharesShort Percent of Float11.56%Today's Trading Volume1,503,851 sharesAverage Trading Volume2,585,850 sharesToday's Volume Vs. Average58% 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 7/31/202510,540,000 shares $229.46 million -0.6%11.6%4.8 $21.77 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 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. 2/28/20255,120,000 shares $153.50 million -11.1%5.6%2.8 $29.98 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 $75.43BREAKING: The House just passed 3 pro-crypto bills! (Ad)THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Discover the under-the-radar project I believe will skyrocket as a result. 11/30/20232,940,000 shares $214.59 million +4.6%3.3%5.5 $72.99 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 $64.91BREAKING: The House just passed 3 pro-crypto bills! (Ad)THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Discover the under-the-radar project I believe will skyrocket as a result. 10/29/20212,780,000 shares $172.36 million -5.1%3.1%6.1 $62.00 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 31st, investors have sold 10,540,000 shares of ACHC short. 11.56% of Acadia Healthcare's shares are currently sold 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: Group One Trading LLC, Jane Street Group LLC, Repertoire Partners LP, Caption Management LLC, Walleye Capital LLC, Walleye Trading LLC, and Capital Fund Management S.A.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Acadia Healthcare? 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. 11.56% of Acadia Healthcare's floating shares are currently sold short. Is Acadia Healthcare's short interest increasing or decreasing? Acadia Healthcare saw a decrease in short interest in July. As of July 31st, there was short interest totaling 10,540,000 shares, a decrease of 0.6% from the previous total of 10,600,000 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? 11.56% of Acadia Healthcare's shares are currently sold short. Here is how the short interest of companies compare to Acadia Healthcare: Integer Holdings Corporation (6.80%), Brookdale Senior Living Inc. (4.29%), Select Medical Holdings Corporation (2.97%), U.S. Physical Therapy, Inc. (4.83%), Petco Health and Wellness Company, Inc. (13.98%), Community Health Systems, Inc. (11.58%), HCA Healthcare, Inc. (2.44%), Alcon (1.44%), Tenet Healthcare Corporation (3.54%), Encompass Health Corporation (0.98%), 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), Strategy Inc ($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 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 down $0.42 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 appreciates 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, 31 2025. More Short Interest Resources from MarketBeat Related Companies ITGR Short Interest BKD Short Interest SEM 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 8/25/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredOut of 18,347 Cryptocurrencies... 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