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Bright Minds Biosciences (DRUG) Short Interest Ratio & Short Volume

Bright Minds Biosciences logo
$76.44 -1.56 (-2.00%)
Closing price 04:00 PM Eastern
Extended Trading
$76.25 -0.19 (-0.25%)
As of 07:34 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 Massive. Learn more.
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Bright Minds Biosciences Short Interest Overview

As of July 31, 2026, Bright Minds Biosciences (DRUG) had a short interest of 890,847 shares sold short, representing 15.97% of the public float. This marks a -6.80% decrease in short interest since the prior report. The short interest ratio (days to cover) is 4.1, meaning it would take 4.1 days of the average trading volume of 191,720 shares to cover all short positions.

Current Short Interest
890,847 shares
Previous Short Interest
955,805 shares
Change Vs. Previous Month
-6.80%
Dollar Volume Sold Short
$65.26 million
Short Interest Ratio
4.1 Days to Cover
Last Record Date
July 31, 2026
Outstanding Shares
9,730,000 shares
Short Percent of Float
15.97%
Today's Trading Volume
151,386 shares
Average Trading Volume
191,720 shares
Today's Volume Vs. Average
79%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

DRUG Short Interest Over Time

DRUG Days to Cover Over Time

DRUG Percentage of Float Shorted Over Time

Bright Minds Biosciences 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
7/31/2026890,847 shares $65.26 million -6.8%16.0%4.05 $73.26
7/15/2026955,805 shares $72.56 million +0.4%17.1%3.07 $75.92
6/30/2026952,509 shares $66.87 million +16.5%17.1%3.6 $70.20
6/15/2026817,654 shares $48.38 million +1.5%14.7%1.34 $59.17
5/29/2026805,672 shares $70.96 million +6.5%14.4%2.88 $88.07
5/15/2026756,484 shares $58.60 million +0.7%13.6%3.68 $77.47
4/30/2026751,049 shares $66.05 million +15.8%13.5%4.34 $87.95
4/15/2026648,636 shares $58.13 million -7.8%11.6%3.54 $89.62
3/31/2026703,646 shares $51.35 million +32.9%12.6%4.56 $72.97
3/13/2026529,485 shares $38.12 million +8.5%9.5%4.02 $72.00
2/27/2026488,136 shares $40.92 million -0.6%8.7%6.64 $83.82
2/13/2026491,033 shares $38.25 million -6.4%8.8%3.87 $77.90
1/30/2026524,789 shares $40.80 million -7.0%9.4%4.37 $77.75
1/15/2026564,277 shares $50.73 million +67.5%10.1%1.56 $89.91
12/31/2025336,924 shares $26.29 million +9.6%7.5%1.68 $78.04
12/15/2025307,407 shares $26.34 million +13.7%6.9%1.97 $85.67
11/28/2025270,495 shares $23.17 million -1.0%6.1%2.07 $85.67
11/14/2025273,186 shares $15.81 million +16.9%6.1%1.32 $57.89
10/31/2025233,622 shares $12.79 million +1.1%5.8%1.39 $54.75
10/15/2025231,000 shares $15.72 million +13.9%4.7%2.5 $68.04
9/30/2025202,800 shares $12.30 million +1.2%4.1%2.9 $60.66
9/15/2025200,400 shares $9.75 million +1.3%4.1%2.8 $48.66
8/31/2025197,900 shares $7.69 million -1.8%4.0%3.4 $38.88
8/15/2025201,500 shares $8.43 million -1.1%4.1%4.4 $41.82
7/31/2025203,800 shares $6.88 million +20.6%4.1%4.6 $33.77
7/15/2025169,000 shares $4.12 million +2.6%3.4%4.4 $24.36
6/30/2025164,700 shares $4.30 million +90.6%3.3%4.4 $26.11
6/15/202586,400 shares $2.38 million +8.5%1.8%3.1 $27.58
5/31/202579,600 shares $2.07 million -0.9%1.6%2.6 $26.00
5/15/202580,300 shares $2.60 million -7.5%1.6%2.3 $32.36
4/30/202586,800 shares $2.66 million -0.1%1.8%2.2 $30.70
4/15/202586,900 shares $2.82 million -12.8%1.8%1.7 $32.41
3/31/202599,700 shares $3.60 million -8.2%2.0%1.6 $36.07
3/15/2025108,600 shares $3.89 million +0.8%2.2%1.6 $35.78
2/28/2025107,700 shares $4.01 million -14.8%2.2%1.4 $37.24
2/15/2025126,400 shares $5.28 million -8.2%2.6%1.2 $41.80
1/31/2025137,700 shares $4.68 million -19.9%2.7%1 $34.00
1/15/2025172,000 shares $6.18 million -2.7%3.4%0.6 $35.92
12/31/2024176,700 shares $6.36 million -20.1%3.5%0.1 $36.02
12/15/2024221,200 shares $9.07 million -0.1%4.4%0.1 $41.00
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11/30/2024221,400 shares $9.74 million -16.4%4.4%0.1 $44.00
11/15/2024264,800 shares $10.49 million -17.9%5.2%0.1 $39.61
10/31/2024322,600 shares $15.10 million -72.4%11.7%0.1 $46.80
10/15/20241,170,000 shares $45.03 million +1,274.9%38.2%0.4 $38.49
9/30/202485,100 shares $99.57 thousand -19.6%3.0%0.8 $1.17
9/15/2024105,900 shares $135.02 thousand -41.7%3.7%1 $1.28
8/31/2024181,500 shares $192.39 thousand +149.7%6.3%1.8 $1.06
8/15/202472,700 shares $74.88 thousand +0.6%2.5%0.8 $1.03
7/31/202472,300 shares $83.87 thousand +3.6%2.5%3.4 $1.16
7/15/202469,800 shares $71.20 thousand -2.0%2.4%3 $1.02
6/30/202471,200 shares $77.22 thousand -0.4%2.5%6 $1.08
6/15/202471,500 shares $75.08 thousand -13.5%2.5%4.5 $1.05
5/31/202482,700 shares $100.07 thousand +17.5%2.9%4.4 $1.21
5/15/202470,400 shares $76.38 thousand No Change2.5%3.6 $1.09
4/30/202470,400 shares $70.40 thousand -7.0%2.6%3.3 $1.00
4/15/202475,700 shares $93.11 thousand +7.2%2.8%3.1 $1.23
3/31/202470,600 shares $84.71 thousand -3.6%2.6%2.5 $1.20
3/15/202473,200 shares $95.16 thousand +3.1%2.7%2.2 $1.30
2/29/202471,000 shares $127.80 thousand +0.3%2.6%2 $1.80
2/15/202470,800 shares $138.76 thousand -0.4%2.5%1.9 $1.96
1/31/202471,100 shares $151.44 thousand -9.1%2.9%2 $2.13
1/15/202478,200 shares $151.01 thousand +7.6%3.2%2.6 $1.93
12/31/202372,700 shares $103.96 thousand -5.6%3.0%2.4 $1.43
12/15/202377,000 shares $115.50 thousand -9.4%3.0%3.3 $1.50
11/30/202385,000 shares $113.90 thousand +21.6%3.3%3.6 $1.34
11/15/202369,900 shares $88.77 thousand -1.4%2.7%2.3 $1.27
10/31/202370,900 shares $95.72 thousand -1.3%2.7%1.1 $1.35
10/15/202371,800 shares $112.01 thousand -1.0%2.8%0.1 $1.56
9/30/202372,500 shares $116 thousand -1.0%2.8%0.1 $1.60
9/15/202373,200 shares $114.92 thousand -12.8%2.8%0.1 $1.57
8/31/202383,900 shares $180.39 thousand -50.7%3.2%0.1 $2.15
8/15/2023170,200 shares $451.03 thousand +49.3%6.6%0.3 $2.65
7/31/2023114,000 shares $474.24 thousand +16.9%4.4%0.2 $4.16
7/15/202397,500 shares $358.80 thousand -80.7%3.8%0.9 $3.68
6/30/2023505,400 shares $1.44 million -7.5%3.8%0.7 $2.85
6/15/2023546,300 shares $319.69 thousand -19.8%4.1%0.8 $0.59
5/31/2023680,900 shares $427.06 thousand +15.9%4.8%1 $0.63
5/15/2023587,600 shares $317.30 thousand -13.0%4.1%0.9 $0.54
4/30/2023675,000 shares $424.37 thousand +38.2%4.7%1 $0.63
4/15/2023488,600 shares $200.28 thousand +2.2%3.4%0.7 $0.41
3/31/2023478,100 shares $210.41 thousand -0.1%3.4%3.7 $0.44
3/15/2023478,500 shares $229.68 thousand +0.8%3.4%2.8 $0.48
2/28/2023474,800 shares $273.60 thousand -22.4%3.3%2.5 $0.58
2/15/2023612,100 shares $448.67 thousand +4.3%4.4%2.8 $0.73
1/31/2023586,900 shares $422.16 thousand +11.6%4.2%2.2 $0.72
1/15/2023525,700 shares $415.30 thousand -21.8%3.8%1.9 $0.79
12/30/2022672,200 shares $497.43 thousand -17.9%4.9%1.1 $0.74
12/15/2022818,500 shares $746.88 thousand -0.8%8.3%1.2 $0.91
11/30/2022824,900 shares $899.14 thousand -11.6%11.0%0.6 $1.09
11/15/2022932,900 shares $918.91 thousand +23.0%12.5%0.1 $0.99
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10/31/2022758,600 shares $751.01 thousand +58.5%10.1%0.1 $0.99
10/15/2022478,500 shares $435.48 thousand +34.6%6.4%0 $0.91
9/30/2022355,600 shares $437.39 thousand -24.6%4.9%0 $1.23
9/15/2022471,600 shares $603.65 thousand -58.6%6.5%0 $1.28
8/31/20221,140,000 shares $2.19 million +1,809.6%16.3%0.1 $1.92
8/15/202259,700 shares $59.54 thousand +64.9%0.9%0 $1.00
7/31/202236,200 shares $36.02 thousand +10.0%0.5%0.6 $1.00
7/15/202232,900 shares $28.04 thousand +56.7%0.5%0.6 $0.85
6/30/202221,000 shares $16.79 thousand -56.3%0.3%0.4 $0.80
6/15/202248,100 shares $44.41 thousand +2.3%0.7%0.6 $0.92
5/31/202247,000 shares $51.70 thousand +144.8%0.7%0.5 $1.10
5/15/202219,200 shares $18.72 thousand -28.9%0.3%0.2 $0.98
4/30/202227,000 shares $25.25 thousand -26.0%0.4%0.3 $0.94
4/15/202236,500 shares $47.00 thousand -21.3%0.6%0.5 $1.29
3/31/202246,400 shares $70.39 thousand +29.3%0.7%0.8 $1.52
3/15/202235,900 shares $55.65 thousand -29.1%0.6%0.9 $1.55
2/28/202250,600 shares $105.75 thousand +13.7%0.8%3.6 $2.09
2/15/202244,500 shares $107.69 thousand -11.9%0.7%2.2 $2.42
1/31/202250,500 shares $122.72 thousand +6.3%0.7%0.3 $2.43
1/15/202247,500 shares $135.85 thousand +43.5%0.7%0.3 $2.86
12/31/202133,100 shares $104.93 thousand No Change0.5%0.2 $3.17

DRUG Short Interest - Frequently Asked Questions

Short interest is the volume of Bright Minds Biosciences shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 890,847 shares of DRUG short. 15.97% of Bright Minds Biosciences' shares are currently sold short. Learn More on Bright Minds Biosciences' 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. DRUG shares currently have a short interest ratio of 4.1. Learn More on Bright Minds Biosciences'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. 15.97% of Bright Minds Biosciences' floating shares are currently sold short.

Bright Minds Biosciences saw a decrease in short interest in July. As of July 31st, there was short interest totaling 890,847 shares, a decrease of 6.8% from the previous total of 955,805 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.

15.97% of Bright Minds Biosciences' shares are currently sold short. Here is how the short interest of companies in the industry of "biotechnology" compare to Bright Minds Biosciences: uniQure N.V. (16.15%), Disc Medicine, Inc. (20.01%), AbCellera Biologics Inc. (22.01%), Immunome, Inc. (17.11%), Zai Lab Limited Unsponsored ADR (6.04%), Iovance Biotherapeutics, Inc. (23.94%), Beam Therapeutics Inc. (23.65%), Nurix Therapeutics, Inc. (18.95%), Ultragenyx Pharmaceutical Inc. (16.01%), Kodiak Sciences Inc. (29.40%),

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 DRUG is an investing strategy that aims to generate trading profit from Bright Minds Biosciences as its price is falling. DRUG shares are trading down $1.56 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 Bright Minds Biosciences 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 DRUG, 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 DRUG, 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 DRUG:

  • 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.


Related Companies
Short Interest Tools

Short interest data for NASDAQ:DRUG 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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