Aurora Cannabis (ACB) Short Interest Ratio & Short Volume $4.48 +0.27 (+6.41%) Closing price 08/8/2025 04:00 PM EasternExtended Trading$4.49 +0.01 (+0.22%) As of 08/8/2025 07:59 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 ForecastsChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Aurora Cannabis Short Interest DataAurora Cannabis (ACB) has a short interest of 6.16 million shares, representing 11.00% of the float (the number of shares available for trading by the public). This marks a -10.20% decrease in short interest from the previous month. The short interest ratio (days to cover) is 5.3, indicating that it would take 5.3 days of the average trading volume of 924,556 shares to cover all short positions.Current Short Interest6,160,000 sharesPrevious Short Interest6,860,000 sharesChange Vs. Previous Month-10.20%Dollar Volume Sold Short$27.66 millionShort Interest Ratio5.3 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares56,250,000 sharesFloat Size56,020,000 sharesShort Percent of Float11.00%Today's Trading Volume1,604,708 sharesAverage Trading Volume924,556 sharesToday's Volume Vs. Average174% Short Selling Aurora Cannabis? Sign up to receive the latest short interest report for Aurora Cannabis and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartACB Short Interest Over TimeACB Days to Cover Over TimeACB Percentage of Float Shorted Over Time Aurora Cannabis Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/20256,160,000 shares $27.66 million -10.2%11.0%5.3 $4.49 6/30/20256,860,000 shares $29.09 million +36.4%12.3%5.8 $4.24 6/15/20255,030,000 shares $29.43 million +2.9%9.0%4.4 $5.85 5/31/20254,890,000 shares $25.82 million -4.7%8.9%5.1 $5.28 5/15/20255,130,000 shares $25.44 million -0.8%9.4%4.8 $4.96 4/30/20255,170,000 shares $23.99 million +4.4%9.5%2.9 $4.64 4/15/20254,950,000 shares $20.94 million +0.4%9.1%1.7 $4.23 3/31/20254,930,000 shares $21.64 million +13.9%9.0%1.8 $4.39 3/15/20254,330,000 shares $19.10 million +0.2%7.9%1.6 $4.41 2/28/20254,320,000 shares $22.03 million -8.1%7.9%1.6 $5.10 Get the Latest News and Ratings for ACB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Aurora Cannabis and its competitors with MarketBeat's FREE daily newsletter. 2/15/20254,700,000 shares $29.66 million -7.7%8.6%1.8 $6.31 1/31/20255,090,000 shares $18.58 million +4.1%9.3%2 $3.65 1/15/20254,890,000 shares $19.41 million +8.2%9.0%5.2 $3.97 12/31/20244,520,000 shares $19.21 million +5.9%8.3%4.9 $4.25 12/15/20244,270,000 shares $18.40 million -3.0%7.8%4.6 $4.31 11/30/20244,400,000 shares $20.02 million +0.5%8.1%4.7 $4.55 11/15/20244,380,000 shares $18.40 million +55.9%8.0%4.4 $4.20 10/31/20242,810,000 shares $15.23 million +6.8%5.2%2.7 $5.42 10/15/20242,630,000 shares $14.44 million +1.5%4.8%2.3 $5.49 9/30/20242,590,000 shares $15.23 million -5.1%4.8%2 $5.88 9/15/20242,730,000 shares $15.83 million +8.3%5.0%2.1 $5.80 8/31/20242,520,000 shares $15.32 million +8.6%4.6%1.8 $6.08 8/15/20242,320,000 shares $16.17 million -41.6%4.3%1.6 $6.97 7/31/20243,970,000 shares $24.42 million +1.0%7.3%2 $6.15 7/15/20243,930,000 shares $23.93 million +2.3%7.2%1.2 $6.09 6/30/20243,840,000 shares $17.74 million -7.0%7.1%0.8 $4.62 6/15/20244,130,000 shares $23.71 million -5.5%26.7%0.6 $5.74 5/31/20244,370,000 shares $27.05 million -17.2%28.2%0.6 $6.19 5/15/20245,280,000 shares $37.59 million +0.2%34.1%0.7 $7.12 4/30/20245,270,000 shares $48.64 million -35.3%34.0%0.7 $9.23 4/15/20248,140,000 shares $51.12 million +60.2%52.6%1.4 $6.28 3/31/20245,080,000 shares $22.30 million +33.0%32.8%1.2 $4.39 3/15/20243,820,000 shares $12.15 million +14.7%24.5%2.5 $3.18 2/29/20243,330,000 shares $10.46 million -6.2%21.4%4.1 $3.14 2/15/20243,550,000 shares $13.85 million -90.2%22.6%4.8 $3.90 1/31/202436,180,000 shares $13.75 million -1.6%N/A5.5 $0.38 7/30/202136,750,000 shares $257.99 million +13.2%18.7%6.6 $7.02 7/15/202132,470,000 shares $238.33 million +10.8%16.5%5.8 $7.34 6/30/202129,310,000 shares $264.96 million -11.0%14.9%4.8 $9.04 6/15/202132,920,000 shares $307.47 million -3.2%16.7%4.8 $9.34Altucher: $900 to $108,000? Trump’s “Great Gain” Is Here (Ad)James Altucher says two recent events could trigger a historic wealth shift—one driven by a radical Trump policy move, and the other tied to a proven financial pattern that previously minted over 80,000 new millionaires. He believes a small $900 investment could turn into a $108,000 windfall within 12 months—and this may be the last chance for everyday investors to catch it.Click here to discover the two events and how to act before the window closes. 5/28/202134,010,000 shares $328.54 million -5.4%17.3%4.3 $9.66 5/14/202135,950,000 shares $263.15 million -4.5%18.3%4.1 $7.32 4/30/202137,630,000 shares $337.16 million +3.3%19.1%2.7 $8.96 4/15/202136,420,000 shares $290.63 million +30.8%18.5%2 $7.98 3/31/202127,840,000 shares $251.95 million +4.3%14.2%1.3 $9.05 3/15/202126,690,000 shares $282.11 million +31.9%13.6%1.2 $10.57 2/26/202120,230,000 shares $218.89 million +5.4%10.3%0.8 $10.82 2/12/202119,200,000 shares $277.82 million -25.8%9.8%0.6 $14.47 1/29/202125,890,000 shares $302.91 million -22.1%14.2%0.6 $11.70 1/15/202133,220,000 shares $397.31 million -3.4%18.2%0.8 $11.96 12/31/202034,390,000 shares $301.94 million -5.9%18.9%0.9 $8.78 12/15/202036,540,000 shares $349.32 million No Change20.1%1 $9.56 11/30/202036,540,000 shares $382.57 million -11.4%20.1%1 $10.47 11/15/202041,220,000 shares $291.84 million +71.9%22.6%1.5 $7.08 10/30/202023,980,000 shares $98.08 million +2.1%19.9%1.1 $4.09 10/15/202023,490,000 shares $106.64 million -17.1%19.5%3.1 $4.54 9/30/202028,340,000 shares $131.78 million +21.2%23.5%4.9 $4.65 9/15/202023,380,000 shares $165.30 million +18.6%20.9%5.4 $7.07 8/31/202019,710,000 shares $193.16 million +12.5%17.6%5.6 $9.80 8/14/202017,520,000 shares $187.29 million No Change15.7%4 $10.69 ACB Short Interest - Frequently Asked Questions What is Aurora Cannabis' current short interest? Short interest is the volume of Aurora Cannabis shares that have been sold short but have not yet been closed out or covered. As of July 15th, investors have sold 6,160,000 shares of ACB short. 11.00% of Aurora Cannabis' shares are currently sold short. Learn More on Aurora Cannabis' current short interest. What is a good short interest ratio for Aurora Cannabis? 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. ACB shares currently have a short interest ratio of 5.0. Learn More on Aurora Cannabis's short interest ratio. Which institutional investors are shorting Aurora Cannabis? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Aurora Cannabis: Quaker Wealth Management LLC, Jane Street Group LLC, Parallax Volatility Advisers L.P., Walleye Trading LLC, Simplex Trading LLC, and National Bank of Canada FI. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Aurora Cannabis? 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. 11.00% of Aurora Cannabis' floating shares are currently sold short. Is Aurora Cannabis' short interest increasing or decreasing? Aurora Cannabis saw a decrease in short interest during the month of July. As of July 15th, there was short interest totaling 6,160,000 shares, a decrease of 10.2% from the previous total of 6,860,000 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 Aurora Cannabis' float size? Aurora Cannabis currently has issued a total of 56,250,000 shares. Some of Aurora Cannabis' 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. Aurora Cannabis currently has a public float of 56,020,000 shares. How does Aurora Cannabis' short interest compare to its competitors? 11.00% of Aurora Cannabis' shares are currently sold short. Here is how the short interest of companies compare to Aurora Cannabis: Canopy Growth Corporation (12.73%), Cronos Group Inc. (1.27%), Organigram Global Inc. (6.19%), SNDL Inc. (1.12%), Tilray Brands, Inc. (18.03%), Village Farms International, Inc. (3.45%), Amphastar Pharmaceuticals, Inc. (11.60%), Collegium Pharmaceutical, Inc. (13.67%), Verve Therapeutics, Inc. (5.52%), Akebia Therapeutics, Inc. (9.66%), 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 Aurora Cannabis stock? Short selling ACB is an investing strategy that aims to generate trading profit from Aurora Cannabis as its price is falling. ACB shares are trading up $0.27 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 Aurora Cannabis? A short squeeze for Aurora Cannabis 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 ACB, which in turn drives the price of the stock up even further. How often is Aurora Cannabis' 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 ACB, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies Canopy Growth Short Squeeze Cronos Group Short Squeeze Organigram Global Short Squeeze SNDL Short Squeeze Tilray Brands Short Squeeze Village Farms International Short Squeeze Amphastar Pharmaceuticals Short Squeeze Collegium Pharmaceutical Short Squeeze Verve Therapeutics Short Squeeze Akebia Therapeutics Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:ACB) was last updated on 8/10/2025 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. B...Priority Gold | Sponsored[No Brainer Gold Play]: “Show me a better investment.”A Historic Gold Announcement Is About to Rock Wall Street? For months, sharp-eyed analysts have watched the...Golden Portfolio | SponsoredTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | Sponsored"Death Spiral" Threatening Your SavingsThe "Death Spiral" Threatening Your Savings But this time, it's not just Dalio ringing the alarm bells…Goldco Precious Metals | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. For the first time in over a century, a sitting Preside...Paradigm Press | SponsoredMarket Crash Warning: How to Protect Your Wealth Before August 12thChina tariffs hit August 12—and experts warn a market meltdown may follow. A free guide from American Alter...American Alternative | SponsoredHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. Now, the man who called Nvi...The Oxford Club | SponsoredBREAKING: 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 | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Aurora Cannabis Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Aurora Cannabis With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.