Arcosa (ACA) Short Interest Ratio & Short Volume $93.50 -1.52 (-1.59%) As of 12:29 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Arcosa Short Interest DataArcosa (ACA) has a short interest of 1.14 million shares, representing 2.37% of the float (the number of shares available for trading by the public). This marks a -0.87% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.0, indicating that it would take 4.0 days of the average trading volume of 283,930 shares to cover all short positions.Current Short Interest1,140,000 sharesPrevious Short Interest1,150,000 sharesChange Vs. Previous Month-0.87%Dollar Volume Sold Short$112.89 millionShort Interest Ratio4.0 Days to CoverLast Record DateAugust 31, 2025Outstanding Shares49,045,000 sharesFloat Size48,120,000 sharesShort Percent of Float2.37%Today's Trading Volume30,236 sharesAverage Trading Volume283,930 sharesToday's Volume Vs. Average11% Short Selling Arcosa? Sign up to receive the latest short interest report for Arcosa and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartACA Short Interest Over TimeACA Days to Cover Over TimeACA Percentage of Float Shorted Over Time Arcosa Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/31/20251,140,000 shares $112.89 million -0.9%2.4%4 $99.02 8/15/20251,150,000 shares $111.17 million -1.7%2.4%4.1 $96.67 7/31/20251,170,000 shares $100.18 million -7.9%2.4%4.3 $85.62 7/15/20251,270,000 shares $111.34 million +11.4%2.7%4.9 $87.67 6/30/20251,140,000 shares $98.92 million -1.7%2.4%4.3 $86.77 6/15/20251,160,000 shares $99.21 million +2.7%2.4%4.1 $85.53 5/31/20251,130,000 shares $97.53 million +10.8%2.4%3.9 $86.31 5/15/20251,020,000 shares $89.99 million -6.4%2.1%3.1 $88.23 4/30/20251,090,000 shares $87.22 million -1.8%2.3%3.3 $80.02 4/15/20251,110,000 shares $86.08 million +14.5%2.3%3.5 $77.55 Get the Latest News and Ratings for ACA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Arcosa and its competitors with MarketBeat's FREE daily newsletter. 3/31/2025969,400 shares $74.85 million +4.6%2.0%3 $77.21 3/15/2025926,800 shares $74.92 million +33.7%1.9%3.2 $80.84 2/28/2025693,000 shares $58.08 million -0.6%1.5%2.6 $83.81 2/15/2025696,900 shares $69.73 million -1.5%1.5%2.9 $100.05 1/31/2025707,200 shares $71.67 million -6.8%1.5%2.8 $101.35 1/15/2025758,900 shares $74.52 million -20.5%1.6%3 $98.20 12/31/2024954,100 shares $92.30 million -4.0%2.0%4 $96.74 12/15/2024994,300 shares $108.52 million +34.7%2.1%4.2 $109.14 11/30/2024738,000 shares $80.18 million -8.1%1.5%3 $108.64 11/15/2024802,800 shares $81.40 million +37.4%1.7%3.2 $101.39 10/31/2024584,300 shares $54.71 million -20.9%1.2%2.3 $93.64 10/15/2024738,400 shares $69.82 million +15.8%1.5%2.9 $94.56 9/30/2024637,700 shares $60.38 million +5.7%1.3%2.4 $94.68 9/15/2024603,400 shares $55.11 million -11.6%1.3%2.1 $91.34 8/31/2024682,700 shares $62.46 million +10.2%1.4%2.6 $91.49 8/15/2024619,400 shares $53.03 million +41.1%1.3%2.4 $85.61 7/31/2024438,900 shares $40.79 million +5.0%0.9%1.8 $92.93 7/15/2024418,100 shares $36.76 million -10.9%0.9%1.8 $87.92 6/30/2024469,000 shares $39.12 million +9.9%1.0%2 $83.41 6/15/2024426,700 shares $35.67 million +5.2%0.9%1.9 $83.60 5/31/2024405,700 shares $35.67 million -15.6%0.9%1.8 $87.91 5/15/2024480,500 shares $42.87 million +18.3%1.0%2.1 $89.22 4/30/2024406,100 shares $30.87 million -3.1%0.9%1.7 $76.02 4/15/2024418,900 shares $33.63 million -13.8%0.9%1.9 $80.28 3/31/2024485,700 shares $41.70 million -14.8%1.0%2.3 $85.86 3/15/2024569,900 shares $46.49 million +9.3%1.2%2.7 $81.58 2/29/2024521,300 shares $43.27 million -5.1%1.1%2.3 $83.00 2/15/2024549,100 shares $46.09 million -4.2%1.1%2.5 $83.95 1/31/2024572,900 shares $44.85 million +24.0%1.2%2.5 $78.28 1/15/2024462,100 shares $36.47 million -17.7%1.0%1.9 $78.93 12/31/2023561,700 shares $46.42 million -22.2%1.2%2.4 $82.64 12/15/2023722,300 shares $57.78 million +60.8%1.5%2.9 $79.99 11/30/2023449,300 shares $33.33 million +0.6%0.9%1.9 $74.19 11/15/2023446,800 shares $32.47 million +19.8%0.9%1.9 $72.67 10/31/2023373,100 shares $25.78 million -10.8%0.8%1.7 $69.11 10/15/2023418,400 shares $28.53 million -7.2%0.9%1.9 $68.20 9/30/2023451,000 shares $32.43 million -20.3%0.9%2 $71.90 9/15/2023566,000 shares $42.29 million +5.4%1.2%2.5 $74.72 8/31/2023537,100 shares $41.97 million +8.6%1.1%2.1 $78.14 8/15/2023494,500 shares $38.77 million +95.2%1.0%1.8 $78.40 7/31/2023253,400 shares $19.56 million -6.3%0.5%1 $77.19 7/15/2023270,300 shares $20.41 million +2.5%0.6%1 $75.50 6/30/2023263,700 shares $19.98 million -38.2%0.6%1.1 $75.75 6/15/2023426,500 shares $30.73 million +4.1%0.9%1.8 $72.04 5/31/2023409,700 shares $26.90 million -9.6%0.9%1.6 $65.65 5/15/2023453,400 shares $31.12 million -9.8%1.0%1.7 $68.63 4/30/2023502,700 shares $33.95 million +10.9%1.1%1.9 $67.54 4/15/2023453,400 shares $27.16 million -23.5%1.0%1.8 $59.91 3/31/2023592,600 shares $37.40 million -2.4%1.2%2.3 $63.11 3/15/2023607,100 shares $36.10 million -17.1%1.3%2.4 $59.47 2/28/2023732,300 shares $44.38 million +22.4%1.5%3.4 $60.60 2/15/2023598,200 shares $35.64 million +0.3%1.3%3 $59.58 1/31/2023596,200 shares $35.34 million -1.4%1.3%2.9 $59.27 1/15/2023604,500 shares $35.47 million +4.8%1.3%2.9 $58.68 12/30/2022577,100 shares $31.36 million -16.6%1.2%2.6 $54.34 12/15/2022691,700 shares $38.42 million +14.1%1.5%3.1 $55.54 11/30/2022606,300 shares $37.04 million -18.0%1.3%3 $61.10 11/15/2022739,000 shares $44.08 million -4.6%1.6%3.8 $59.65 10/31/2022774,500 shares $49.72 million -24.8%1.6%4 $64.20 10/15/20221,030,000 shares $59.04 million +9.7%2.2%5.5 $57.32 9/30/2022938,900 shares $53.69 million -11.4%2.0%5.2 $57.18 9/15/20221,060,000 shares $60.40 million +2.9%2.2%6.3 $56.98 8/31/20221,030,000 shares $60.20 million +4.0%2.2%5.9 $58.45 8/15/2022990,500 shares $64.37 million -2.9%2.1%5.6 $64.99 7/31/20221,020,000 shares $52.59 million -6.4%2.2%5.5 $51.56 7/15/20221,090,000 shares $49.86 million +16.6%2.3%5.7 $45.74 6/30/2022935,100 shares $43.42 million -5.5%2.0%4.7 $46.43 6/15/2022989,000 shares $49.53 million -0.7%2.1%4.6 $50.08 5/31/2022996,200 shares $52.67 million +0.2%2.1%4.4 $52.87 5/15/2022994,600 shares $51.88 million -0.5%2.1%3.8 $52.16 4/30/20221,000,000 shares $53.53 million -10.7%2.1%3.8 $53.53 4/15/20221,120,000 shares $60.97 million +1.8%2.3%4.3 $54.44 3/31/20221,100,000 shares $62.98 million -3.5%2.3%4.2 $57.25 3/15/20221,140,000 shares $65.05 million +14.7%2.4%4.7 $57.06 2/28/2022993,600 shares $52.33 million +10.0%2.1%4 $52.67 2/15/2022903,200 shares $42.18 million -4.4%1.9%4 $46.70 1/31/2022944,700 shares $44.08 million -7.4%2.0%4.3 $46.66 1/15/20221,020,000 shares $53.46 million +8.9%2.1%4.8 $52.41 12/31/2021936,700 shares $49.36 million -11.6%2.0%4.7 $52.70 12/15/20211,060,000 shares $57.16 million -4.5%2.2%5 $53.92 11/30/20211,110,000 shares $56.80 million -5.9%2.3%5.4 $51.17 11/15/20211,180,000 shares $65.71 million +1.7%2.5%5.7 $55.69 10/29/20211,160,000 shares $60.01 million +0.9%2.4%4.8 $51.73 10/15/20211,150,000 shares $59.82 million +0.9%2.4%4.7 $52.02 9/30/20211,140,000 shares $57.19 million -17.4%2.4%4.4 $50.17 9/15/20211,380,000 shares $68.24 million -15.9%2.9%5.4 $49.45 8/31/20211,640,000 shares $83.34 million +11.6%3.4%6.8 $50.82 8/13/20211,470,000 shares $74.79 million +126.1%3.1%6 $50.88 7/30/2021650,200 shares $35.60 million +7.7%1.4%2.9 $54.76 7/15/2021604,000 shares $32.53 million +2.2%1.3%2.9 $53.86 6/30/2021591,000 shares $34.72 million -10.3%1.3%2.9 $58.74 6/15/2021658,800 shares $39.75 million +0.6%1.4%2.7 $60.34 5/28/2021654,800 shares $41.58 million +13.6%1.4%2.5 $63.50 5/14/2021576,200 shares $35.15 million +4.3%1.2%2 $61.01 4/30/2021552,300 shares $35.46 million -8.0%1.2%1.8 $64.21 4/15/2021600,400 shares $37.86 million -12.3%1.3%2 $63.05 3/31/2021684,900 shares $43.07 million +14.5%1.4%2.2 $62.89 3/15/2021598,000 shares $39.69 million +7.6%1.3%2 $66.37 2/26/2021555,600 shares $31.90 million +18.6%1.2%2 $57.41 2/12/2021468,400 shares $29.77 million -18.3%1.0%1.9 $63.56 1/29/2021573,400 shares $32.94 million -9.2%1.2%2.2 $57.44 1/15/2021631,600 shares $40.42 million -0.8%1.3%2.4 $64.00 12/31/2020636,800 shares $34.84 million +15.6%1.3%2.4 $54.71 12/15/2020550,800 shares $29.15 million +9.2%1.2%2.1 $52.92 11/30/2020504,300 shares $27.44 million -16.1%1.1%1.9 $54.42 11/15/2020601,000 shares $30.67 million +11.5%1.3%2.3 $51.03 10/30/2020539,200 shares $24.54 million -21.8%1.1%2.1 $45.52 10/15/2020689,300 shares $32.36 million -10.3%1.4%2.7 $46.95 9/30/2020768,100 shares $33.87 million +11.9%1.6%3.2 $44.09 ACA Short Interest - Frequently Asked Questions What is Arcosa's current short interest? Short interest is the volume of Arcosa shares that have been sold short but have not yet been closed out or covered. As of August 31st, investors have sold 1,140,000 shares of ACA short. 2.37% of Arcosa's shares are currently sold short. Learn More on Arcosa's current short interest. What is a good short interest ratio for Arcosa? 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. ACA shares currently have a short interest ratio of 4.0. Learn More on Arcosa's short interest ratio. Which institutional investors are shorting Arcosa? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Arcosa: 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 Arcosa? 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. 2.37% of Arcosa's floating shares are currently sold short. Is Arcosa's short interest increasing or decreasing? Arcosa saw a drop in short interest in August. As of August 31st, there was short interest totaling 1,140,000 shares, a drop of 0.9% from the previous total of 1,150,000 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 Arcosa's float size? Arcosa currently has issued a total of 49,045,000 shares. Some of Arcosa'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. Arcosa currently has a public float of 48,120,000 shares. How does Arcosa's short interest compare to its competitors? 2.37% of Arcosa's shares are currently sold short. Here is how the short interest of companies compare to Arcosa: Alamo Group, Inc. (3.13%), Eagle Materials Inc (3.80%), ITT Inc. (1.61%), Enpro Inc. (2.31%), Cemex S.A.B. de C.V. (1.25%), James Hardie Industries PLC. (3.37%), Fortune Brands Innovations, Inc. (3.87%), West Fraser Timber Co. Ltd. (3.17%), Champion Homes, Inc. (7.57%), United States Lime & Minerals, Inc. (1.59%), 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 ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 billion). View all of the most shorted stocks. What does it mean to sell short Arcosa stock? Short selling ACA is an investing strategy that aims to generate trading profit from Arcosa as its price is falling. ACA shares are trading down $0.12 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 Arcosa? A short squeeze for Arcosa 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 ACA, which in turn drives the price of the stock up even further. How often is Arcosa'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 ACA, twice per month. The most recent reporting period available is August, 31 2025. More Short Interest Resources from MarketBeat Related Companies ALG Short Interest Data EXP Short Interest Data ITT Short Interest Data NPO Short Interest Data CX Short Interest Data JHX Short Interest Data FBIN Short Interest Data WFG Short Interest Data SKY Short Interest Data USLM 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 (NYSE:ACA) was last updated on 9/16/2025 by MarketBeat.com Staff From Our PartnersNew Biotech Backed by Proven Incubator Now Open to PublicA successful biotech incubator just opened its next chapter - and you're invited to their raise. 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