ATCO (ACLLF) Short Interest Ratio & Short Volume $37.00 +0.04 (+0.11%) As of 08/22/2025 11:08 AM Eastern Add Compare Share Share Short Interest Stock AnalysisChartDividendHeadlinesShort InterestBuy This Stock ATCO Short Interest DataATCO (ACLLF) has a short interest of 616,500 shares. This marks a -4.73% decrease in short interest from the previous month. The short interest ratio (days to cover) is 308.3, indicating that it would take 308.3 days of the average trading volume of 11,044 shares to cover all short positions.Current Short Interest616,500 sharesPrevious Short Interest647,100 sharesChange Vs. Previous Month-4.73%Dollar Volume Sold Short$22.19 millionShort Interest Ratio308.3 Days to CoverLast Record DateJuly 31, 2025Today's Trading Volume921 sharesAverage Trading Volume11,044 sharesToday's Volume Vs. Average8% Short Selling ATCO? Sign up to receive the latest short interest report for ATCO and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartACLLF Short Interest Over TimeACLLF Days to Cover Over TimeACLLF Percentage of Float Shorted Over Time ATCO Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025616,500 shares $22.19 million -4.7%N/A308.3 $36.00 7/15/2025647,100 shares $23.82 million -5.0%N/A404.4 $36.81 6/30/2025681,200 shares $25.19 million +27.6%N/A158.4 $36.98 6/15/2025533,700 shares $20.25 million +10.3%N/A93.6 $37.94 5/31/2025483,800 shares $18.19 million +3.8%N/A64.5 $37.60 5/15/2025466,100 shares $16.80 million -5.0%N/A172.6 $36.05 4/30/2025490,500 shares $18.07 million +1.0%N/A75.5 $36.85 4/15/2025485,900 shares $17.33 million +11.2%N/A35 $35.66 3/31/2025437,000 shares $15.32 million -31.7%N/A31.2 $35.06 3/15/2025639,800 shares $21.30 million +27.2%N/A24.4 $33.29 Get the Latest News and Ratings for ACLLF and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ATCO and its competitors with MarketBeat's FREE daily newsletter. 2/28/2025502,900 shares $16.33 million +37.7%N/A16.1 $32.48 2/15/2025365,100 shares $12.15 million -7.4%N/A14 $33.27 1/31/2025394,300 shares $12.55 million -3.0%N/A16 $31.82 1/15/2025406,500 shares $12.99 million -9.4%N/A9.9 $31.96 12/31/2024448,800 shares $14.87 million -5.3%N/A17.7 $33.14 12/15/2024473,900 shares $15.92 million +8.0%N/A41.2 $33.60 11/30/2024438,700 shares $15.19 million -4.5%N/A26.3 $34.63 11/15/2024459,400 shares $15.73 million -14.1%N/A28.2 $34.23 10/31/2024534,800 shares $18.59 million -4.8%N/A37.1 $34.76 10/15/2024561,800 shares $19.87 million +10.9%N/A35.6 $35.36 9/30/2024506,700 shares $18.02 million -2.0%N/A14.7 $35.56 9/15/2024516,800 shares $17.62 million +2.0%N/A26.4 $34.10 8/31/2024506,600 shares $16.99 million +6.7%N/A20.8 $33.53 8/15/2024474,900 shares $15.36 million +43.0%N/A11.1 $32.34 7/31/2024332,100 shares $10.38 million -1.1%N/A9.4 $31.26 7/15/2024335,800 shares $9.69 million +10.6%N/A19.3 $28.85 6/30/2024303,700 shares $8.63 million +28.7%N/A7.4 $28.41 6/15/2024235,900 shares $6.86 million +2.6%N/A13.1 $29.10 5/31/2024229,900 shares $6.66 million -6.4%N/A12.2 $28.98 5/15/2024245,700 shares $7.35 million -0.5%N/A6.7 $29.93 4/30/2024246,800 shares $6.75 million -9.4%N/A35.3 $27.33 4/15/2024272,500 shares $7.15 million No ChangeN/A21.8 $26.25 3/31/2024272,500 shares $7.60 million -51.3%N/A27.8 $27.90 3/15/2024559,000 shares $15.60 million -29.7%N/A49.9 $27.90 2/29/2024794,900 shares $21.68 million +81.3%N/A50 $27.27 2/15/2024438,400 shares $12.03 million +15.8%N/A25.6 $27.43 1/15/2024409,500 shares $11.63 million -1.6%N/A22.9 $28.39 12/31/2023416,000 shares $12.17 million +15.7%N/A28.5 $29.26 12/15/2023359,500 shares $10.13 million +7.7%N/A16.3 $28.17 11/30/2023333,900 shares $9.09 million +7.5%N/A12.2 $27.21Tax Drain Deadline: Protect Your Wealth Before September 15th (Ad)On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed professionals, retirees, and high-net-worth savers. But the wealthy aren’t just writing checks. They’re moving fast to protect capital and purchasing power using legal, IRS-compliant strategies. American Alternative Assets just released the Mar-A-Lago Accord, a free guide revealing how to reduce Q3 tax exposure and reposition wealth before it’s drained.Click here to download the guide and protect your assets before Sept 15th. 11/15/2023310,500 shares $8.70 million +11.4%N/A14.5 $28.04 10/31/2023278,700 shares $7.15 million -31.2%N/A26.5 $25.66 10/15/2023404,800 shares $10.38 million +5.2%N/A21.1 $25.64 9/30/2023384,700 shares $9.77 million -50.2%N/A36.6 $25.40 9/15/2023771,800 shares $21.12 million -1.8%N/A188.2 $27.36 8/31/2023785,900 shares $21.86 million +73.8%N/A323.5 $27.82 8/15/2023452,200 shares $12.66 million +109.3%N/A59.5 $28.00 7/31/2023216,100 shares $6.17 million +16.3%N/A37.9 $28.57 7/15/2023185,900 shares $5.46 million +24.2%N/A24.1 $29.37 6/30/2023149,700 shares $4.42 million +45.3%N/A44 $29.55 6/15/2023103,000 shares $3.12 million -80.3%N/A26.4 $30.24 5/31/2023523,400 shares $16.09 million +56.7%N/A180.5 $30.74 5/15/2023334,100 shares $11.16 million +157.6%N/A28.8 $33.41 4/30/2023129,700 shares $4.28 million +19.2%N/A59 $33.00 4/15/2023108,800 shares $3.64 million +61.2%N/A17 $33.46 3/31/202367,500 shares $2.17 million -86.4%N/A17.8 $32.14 3/15/2023496,000 shares $15.05 million -63.5%N/A67.9 $30.34 2/28/20231,358,900 shares $42.13 million +73.6%N/A169.9 $31.00 2/15/2023782,600 shares $25.07 million +737.0%N/A122.3 $32.04 1/31/202393,500 shares $2.99 million +0.3%N/A5.7 $31.97 1/15/202393,200 shares $3.02 million -54.5%N/A22.7 $32.45 12/30/2022204,800 shares $6.42 million -65.4%N/A44.5 $31.37 12/15/2022592,400 shares $18.83 million -29.4%N/A123.4 $31.79 11/30/2022839,000 shares $26.35 million +627.0%N/A209.8 $31.41 11/15/2022115,400 shares $3.59 million -32.5%N/A52.5 $31.08 10/31/2022170,900 shares $5.22 million +76.9%N/A65.7 $30.57 10/15/202296,600 shares $2.79 million -23.9%N/A42 $28.92 9/30/2022126,900 shares $3.92 million -60.2%N/A31 $30.86 9/15/2022319,200 shares $11.48 million -38.5%N/A138.8 $35.96 8/31/2022518,900 shares $18.46 million +57.4%N/A235.9 $35.57 8/15/2022329,700 shares $12.15 million +222.0%N/A12.5 $36.85 7/31/2022102,400 shares $3.80 million -13.2%N/A46.5 $37.15 7/15/2022117,900 shares $4.10 million -10.4%N/A43.7 $34.77 6/30/2022131,600 shares $4.51 million -9.7%N/A17.3 $34.28 6/15/2022145,700 shares $4.89 million -29.6%N/A28 $33.56 5/31/2022207,000 shares $7.52 million +49.0%N/A13.3 $36.33 5/15/2022138,900 shares $4.99 million +24.7%N/A11.8 $35.89 4/30/2022111,400 shares $3.97 million +24.2%N/A19.9 $35.67 4/15/202289,700 shares $3.21 million +21.1%N/A6.1 $35.79 3/31/202274,100 shares $2.55 million -46.1%N/A12.4 $34.40 3/15/2022137,500 shares $4.54 million +7.9%N/A13.5 $33.00 2/28/2022127,400 shares $4.18 million +0.5%N/A11.9 $32.83 2/15/2022126,800 shares $4.16 million -27.3%N/A18.9 $32.78 1/31/2022174,500 shares $5.88 million +30.0%N/A12.3 $33.67 1/15/2022134,200 shares $4.40 million -24.2%N/A8.2 $32.79 12/31/2021177,000 shares $5.98 million +20.9%N/A24.9 $33.80 12/15/2021146,400 shares $4.87 million -92.4%N/A12.4 $33.29 11/30/20211,913,500 shares $61.81 million +184.5%N/A60 $32.30 11/15/2021672,700 shares $22.04 million +33.2%N/A90.9 $32.77 10/29/2021505,200 shares $17.15 million +107.4%N/A140.3 $33.95Tax Drain Deadline: Protect Your Wealth Before September 15th (Ad)On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed professionals, retirees, and high-net-worth savers. But the wealthy aren’t just writing checks. They’re moving fast to protect capital and purchasing power using legal, IRS-compliant strategies. American Alternative Assets just released the Mar-A-Lago Accord, a free guide revealing how to reduce Q3 tax exposure and reposition wealth before it’s drained.Click here to download the guide and protect your assets before Sept 15th. 10/15/2021243,600 shares $8.06 million +70.4%N/A29 $33.08 9/30/2021143,000 shares $4.60 million -6.9%N/A18.8 $32.16 9/15/2021153,600 shares $4.97 million +10.5%N/A18.3 $32.36 8/31/2021139,000 shares $4.67 million -49.3%N/A12.2 $33.60 8/13/2021274,300 shares $9.45 million -26.1%N/A37.1 $34.44 7/30/2021371,100 shares $13.39 million -19.4%N/A53 $36.07 7/15/2021460,300 shares $16.07 million -2.2%N/A92.1 $34.92 6/30/2021470,500 shares $16.67 million +53.5%N/A98 $35.42 6/15/2021306,500 shares $11.49 million +410.8%N/A45.1 $37.47 5/28/202161,000 shares $2.20 million -92.8%N/A14.5 $36.13 5/14/2021844,000 shares $30.37 million +106.3%N/A117.2 $35.98 4/30/2021409,200 shares $13.97 million -38.7%N/A51.2 $34.14 4/15/2021667,600 shares $22.56 million +26.3%N/A117.1 $33.79 3/31/2021528,700 shares $17.55 million -10.9%N/A76.6 $33.20 3/15/2021593,400 shares $19.32 million -1.5%N/A34.9 $32.56 2/26/2021602,600 shares $18.21 million +11.4%N/A24 $30.22 2/12/2021540,800 shares $16.46 million +24.3%N/A63.6 $30.44 1/29/2021435,100 shares $12.59 million +48.4%N/A167.3 $28.93 1/15/2021119,600 shares $3.57 million -20.2%N/A52 $29.81 12/31/2020209,100 shares $5.96 million +74.8%N/A697 $28.51 12/15/2020119,600 shares $3.59 million -20.2%N/A52 $30.02 11/30/2020149,900 shares $4.51 million -50.6%N/A299.8 $30.09 11/15/2020303,500 shares $8.88 million +1.6%N/A758.8 $29.26 10/30/2020298,800 shares $8.65 million +2.7%N/A2988 $28.94 10/15/2020290,900 shares $8.64 million -7.7%N/A90.9 $29.70 9/30/2020315,300 shares $9.13 million -7.8%N/A78.8 $28.97 9/15/2020342,000 shares $10.42 million -4.1%N/A488.6 $30.48 8/31/2020356,700 shares $10.82 million -4.3%N/A1783.5 $30.34 ACLLF Short Interest - Frequently Asked Questions What is ATCO's current short interest? Short interest is the volume of ATCO shares that have been sold short but have not yet been closed out or covered. As of July 31st, traders have sold 616,500 shares of ACLLF short. Learn More on ATCO's current short interest. What is a good short interest ratio for ATCO? 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. ACLLF shares currently have a short interest ratio of 308.0. Learn More on ATCO's short interest ratio. Is ATCO's short interest increasing or decreasing? ATCO saw a drop in short interest during the month of July. As of July 31st, there was short interest totaling 616,500 shares, a drop of 4.7% from the previous total of 647,100 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 ATCO's short interest compare to its competitors? Here is how the short interest of companies compare to ATCO: IREN Limited (11.95%), 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 ATCO stock? Short selling ACLLF is an investing strategy that aims to generate trading profit from ATCO as its price is falling. ACLLF shares are trading up $0.04 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 ATCO? A short squeeze for ATCO 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 ACLLF, which in turn drives the price of the stock up even further. How often is ATCO'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 ACLLF, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies A2A Short Interest Data Canadian Utilities Short Interest Data China Suntien Green Energy Short Interest Data Chubu Electric Power Short Interest Data E.On Short Interest Data EDP - Energias de Portugal Short Interest Data Iberdrola Short Interest Data Origin Energy Short Interest Data IREN Short Interest Data AGL Energy 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 (OTCMKTS:ACLLF) was last updated on 8/24/2025 by MarketBeat.com Staff From Our PartnersGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. 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