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Aurora Cannabis (ACB) Short Interest Ratio & Short Volume

Aurora Cannabis logo
$4.97 -0.08 (-1.58%)
Closing price 04:00 PM Eastern
Extended Trading
$4.95 -0.02 (-0.40%)
As of 05:13 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.

Aurora Cannabis Short Interest Data

Aurora Cannabis (ACB) has a short interest of 5.90 million shares, representing 10.49% of the float (the number of shares available for trading by the public). This marks a 4.24% increase in short interest from the previous month. The short interest ratio (days to cover) is 4.1, indicating that it would take 4.1 days of the average trading volume of 1.86 million shares to cover all short positions.

Current Short Interest
5,900,000 shares
Previous Short Interest
5,660,000 shares
Change Vs. Previous Month
+4.24%
Dollar Volume Sold Short
$29.97 million
Short Interest Ratio
4.1 Days to Cover
Last Record Date
August 15, 2025
Outstanding Shares
56,454,000 shares
Float Size
56,230,000 shares
Short Percent of Float
10.49%
Today's Trading Volume
662,947 shares
Average Trading Volume
1,857,898 shares
Today's Volume Vs. Average
36%
Short Selling Aurora Cannabis?
A Guide To High-Short-Interest Stocks

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Skip Charts & View Short Interest History

ACB Short Interest Over Time

ACB Days to Cover Over Time

ACB Percentage of Float Shorted Over Time

Aurora Cannabis Short Interest History

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
8/15/20255,900,000 shares $29.97 million +4.2%10.5%4.1 $5.08
7/31/20255,660,000 shares $25.07 million -8.1%10.1%4.5 $4.43
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
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 $9.34
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

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 August 15th, investors have sold 5,900,000 shares of ACB short. 10.49% 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 4.0. 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: Sculptor Capital LP, Group One Trading LLC, Jane Street Group LLC, Walleye Capital LLC, and Walleye Trading LLC. 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. 10.49% of Aurora Cannabis' floating shares are currently sold short.

Is Aurora Cannabis' short interest increasing or decreasing?

Aurora Cannabis saw a increase in short interest in August. As of August 15th, there was short interest totaling 5,900,000 shares, an increase of 4.2% from the previous total of 5,660,000 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 56,454,000 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 56,230,000 shares.

How does Aurora Cannabis' short interest compare to its competitors?

10.49% of Aurora Cannabis' shares are currently sold short. Here is how the short interest of companies compare to Aurora Cannabis: Canopy Growth Corporation (9.28%), Cronos Group Inc. (1.40%), Organigram Global Inc. (6.14%), SNDL Inc. (1.20%), Tilray Brands, Inc. (13.53%), Village Farms International, Inc. (4.74%), Collegium Pharmaceutical, Inc. (14.47%), Intellia Therapeutics, Inc. (25.83%), CureVac N.V. (0.70%), Enliven Therapeutics, Inc. (12.95%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: Lucid Group, Inc. ($8.00 billion), Spotify Technology ($5.48 billion), AppLovin Corporation ($5.11 billion), Reddit Inc. ($5.02 billion), Coinbase Global, Inc. ($3.99 billion), Charter Communications, Inc. ($3.89 billion), Live Nation Entertainment, Inc. ($3.18 billion), Seagate Technology Holdings PLC ($2.59 billion), ResMed Inc. ($2.55 billion), and Rocket Lab Corporation ($2.52 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 down $0.09 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 appreciates 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 August, 15 2025.




This page (NASDAQ:ACB) was last updated on 9/10/2025 by MarketBeat.com Staff
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