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Arcosa (ACA) Short Interest Ratio & Short Volume

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$145.36 +0.40 (+0.28%)
As of 01:20 PM Eastern
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Arcosa Short Interest Overview

As of July 31, 2026, Arcosa (ACA) had a short interest of 821,007 shares sold short, representing 1.70% of the public float. This marks a -17.37% decrease in short interest since the prior report. The short interest ratio (days to cover) is 1.0, meaning it would take 1.0 days of the average trading volume of 459,952 shares to cover all short positions.

Current Short Interest
821,007 shares
Previous Short Interest
993,631 shares
Change Vs. Previous Month
-17.37%
Dollar Volume Sold Short
$119.37 million
Short Interest Ratio
1.0 Days to Cover
Last Record Date
July 31, 2026
Outstanding Shares
49,110,000 shares
Short Percent of Float
1.70%
Today's Trading Volume
123,310 shares
Average Trading Volume
459,952 shares
Today's Volume Vs. Average
27%
Short Selling Arcosa?
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

ACA Short Interest Over Time

ACA Days to Cover Over Time

ACA Percentage of Float Shorted Over Time

Arcosa Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/31/2026821,007 shares $119.37 million -17.4%1.7%1.04 $145.39
7/15/2026993,631 shares $143.89 million -0.4%2.1%1.33 $144.81
6/30/2026997,629 shares $144.70 million -27.7%2.1%0.62 $145.05
6/15/20261,379,868 shares $177.70 million +1.5%2.9%4.98 $128.78
5/29/20261,359,638 shares $172.32 million -2.6%2.8%5.56 $126.74
5/15/20261,395,341 shares $173.20 million -0.3%2.9%4.24 $124.13
4/30/20261,399,806 shares $177.26 million +4.8%2.9%4.94 $126.63
4/15/20261,336,366 shares $148.73 million +15.6%2.8%5.25 $111.29
3/31/20261,156,104 shares $122.75 million +1.8%2.4%3.62 $106.18
3/13/20261,135,262 shares $120.09 million +25.6%2.3%2.41 $105.78
2/27/2026904,013 shares $96.76 million +3.8%1.9%2.6 $107.04
2/13/2026870,601 shares $111.17 million +13.1%1.8%4.28 $127.70
1/30/2026769,642 shares $88.19 million -13.8%1.6%3.77 $114.59
1/15/2026893,237 shares $103.50 million -4.7%1.8%3.91 $115.87
12/31/2025937,452 shares $99.53 million -14.3%1.9%4.64 $106.17
12/15/20251,093,865 shares $120.34 million -1.1%2.3%4.87 $110.02
11/28/20251,106,158 shares $117.85 million +2.2%2.3%4.59 $106.54
11/14/20251,082,355 shares $108.31 million -6.9%2.2%4.44 $100.07
10/31/20251,162,370 shares $118.60 million +1.3%2.4%5.41 $102.04
10/15/20251,150,000 shares $106.75 million -0.9%2.4%4.7 $92.83
9/30/20251,160,000 shares $108.74 million -4.1%2.4%4.4 $93.74
9/15/20251,210,000 shares $115.06 million +6.1%2.5%4.3 $95.09
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
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
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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
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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

ACA Short Interest - Frequently Asked Questions

Short interest is the volume of Arcosa shares that have been sold short but have not yet been closed out or covered. As of July 31st, traders have sold 821,007 shares of ACA short. 1.70% of Arcosa's shares are currently sold short. Learn More on Arcosa's current short interest.

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 1.0. Learn More on Arcosa's short interest ratio.

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. 1.70% of Arcosa's floating shares are currently sold short.

Arcosa saw a drop in short interest in the month of July. As of July 31st, there was short interest totaling 821,007 shares, a drop of 17.4% from the previous total of 993,631 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.

1.70% of Arcosa's shares are currently sold short. Here is how the short interest of companies compare to Arcosa: Enpro Inc. (2.15%), Amrize Ltd (1.46%), James Hardie Industries PLC. (2.16%), Cemex S.A.B. de C.V. (0.80%), Eagle Materials Inc (6.37%), Knife River Corporation (5.84%), United States Lime & Minerals, Inc. (3.09%), Titan America SA (1.56%), Suncrete (3.70%), Loma Negra Compania Industrial Argentina S.A. Sponsored ADR (1.28%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.50 billion), Invesco QQQ ($50.36 billion), iShares Russell 2000 ETF ($21.20 billion), Western Digital Corporation ($13.40 billion), SPDR S&P Biotech ETF ($11.59 billion), Nebius Group N.V. ($11.46 billion), iShares 20+ Year Treasury Bond ETF ($7.84 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.51 billion), iShares Semiconductor ETF ($6.37 billion), and Financial Select Sector SPDR Fund ($6.34 billion). View all of the most shorted stocks.

Short selling ACA is an investing strategy that aims to generate trading profit from Arcosa as its price is falling. ACA shares are trading up $0.00 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.

A short squeeze for Arcosa 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 ACA, which in turn drives the price of the stock up even further.

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 July, 31 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like ACA:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


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Short interest data for NYSE:ACA is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 8/11/2026. FINRA publishes updated short interest twice a month.
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