Free Trial

CytoDyn (CYDY) Short Interest Ratio & Short Volume

CytoDyn logo
$0.36 +0.01 (+1.86%)
As of 03:59 PM Eastern

CytoDyn Short Interest Data

CytoDyn (CYDY) has a short interest of 35.03 million shares, representing 2.86% of the float (the number of shares available for trading by the public). This marks a 0.05% increase in short interest from the previous month. The short interest ratio (days to cover) is 7.8, indicating that it would take 7.8 days of the average trading volume of 3.28 million shares to cover all short positions.

Current Short Interest
35,031,400 shares
Previous Short Interest
35,015,100 shares
Change Vs. Previous Month
+0.05%
Dollar Volume Sold Short
$11.91 million
Short Interest Ratio
7.8 Days to Cover
Last Record Date
May 31, 2025
Outstanding Shares
1,248,978,000 shares
Short Percent of Float
2.86%
Today's Trading Volume
649,372 shares
Average Trading Volume
3,275,947 shares
Today's Volume Vs. Average
20%
Short Selling CytoDyn?
cover of A Guide to High-Short-Interest Stocks and How to Trade Them ebook

Sign up to receive the latest short interest report for CytoDyn and its competitors with MarketBeat's FREE newsletter.

Skip Charts & View Short Interest History

CYDY Short Interest Over Time

CYDY Days to Cover Over Time

CYDY Percentage of Float Shorted Over Time

CytoDyn Short Interest History

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
5/31/202535,031,400 shares $11.91 million +0.1%2.9%7.8 $0.34
5/15/202535,015,100 shares $14.18 million +8.2%2.9%2.6 $0.41
4/30/202532,360,600 shares $8.66 million +2.8%N/A6 $0.27
4/15/202531,494,100 shares $6.61 million +6.2%2.6%8.8 $0.21
3/31/202529,649,400 shares $6.82 million +6.1%2.4%10.4 $0.23
3/15/202527,951,300 shares $7.27 million +5.4%2.3%5.1 $0.26
2/28/202526,529,700 shares $8.15 million +9.6%2.2%2.2 $0.31
2/15/202524,209,200 shares $5.26 million +6.9%2.0%4.6 $0.22
1/31/202522,639,300 shares $4.48 million +6.4%N/A1.9 $0.20
1/15/202521,272,500 shares $3.08 million +5.7%N/A4.8 $0.15
12/31/202420,123,400 shares $2.21 million +15.0%N/A3.3 $0.11
12/15/202417,499,100 shares $2.41 million -0.9%N/A3.8 $0.14
11/30/202417,663,800 shares $1.94 million +2.2%N/A4.5 $0.11
11/15/202417,281,500 shares $2.09 million +4.3%N/A3.5 $0.12
10/31/202416,577,600 shares $2.16 million +25.8%N/A2.6 $0.13
10/15/202413,179,400 shares $1.91 million +0.4%N/A2.1 $0.14
9/30/202413,133,500 shares $2.08 million +1.2%N/A3.4 $0.16
9/15/202412,982,100 shares $1.95 million +20.1%N/A2.6 $0.15
8/31/202410,806,600 shares $1.62 million +0.1%N/A3.4 $0.15
8/15/202410,797,300 shares $1.26 million +25.3%N/A1.6 $0.12
7/31/20248,617,700 shares $1.23 million +7.4%N/A3.1 $0.14
7/15/20248,024,100 shares $1.13 million +13.5%N/A2.2 $0.14
6/30/20247,070,900 shares $982.86 thousand +0.1%N/A1.8 $0.14
6/15/20247,062,000 shares $947.01 thousand -12.4%N/A0.8 $0.13
5/31/20248,060,300 shares $1.27 million +72.7%N/A0.8 $0.16
5/15/20244,666,400 shares $769.96 thousand +0.5%N/A2.9 $0.17
4/30/20244,643,700 shares $650.12 thousand -1.4%N/A2.8 $0.14
4/15/20244,711,300 shares $683.14 thousand +0.7%N/A1.5 $0.15
3/31/20244,680,600 shares $764.11 thousand -8.4%N/A1.6 $0.16
3/15/20245,107,100 shares $855.44 thousand -1.0%N/A0.7 $0.17
2/29/20245,159,800 shares $1.33 million +9.2%N/A0.7 $0.26
2/15/20244,724,300 shares $798.60 thousand -25.2%N/A0.8 $0.17
1/15/202410,691,100 shares $2.24 million -1.9%N/A3.1 $0.21
12/31/202310,893,600 shares $2.12 million +0.3%N/A1.8 $0.20
12/15/202310,863,000 shares $3.07 million -16.2%N/A1.2 $0.28
11/30/202312,960,200 shares $2.22 million 0.0%N/A2.6 $0.17
11/15/202312,965,900 shares $2.20 million -0.9%N/A6.7 $0.17
10/31/202313,087,700 shares $2.05 million +0.2%N/A5 $0.16
10/15/202313,058,200 shares $2.25 million -11.3%N/A7.5 $0.17
9/30/202314,723,600 shares $2.73 million -0.4%N/A8.3 $0.19
Trump wipes out trillions overnight… (Ad)

Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out nearly $5 trillion in wealth from the S&P 500 and $6.4 trillion from the Dow Jones… Not to mention the countless trillions of dollars lost in every market around the world… leaving the major political powers scrambling in fear of Trump’s next move.

Whether you take some of that wealth for yourself depends on if you watch this controversial exposé
9/15/202314,785,400 shares $2.81 million +0.1%N/A9.2 $0.19
8/31/202314,770,500 shares $3.12 million -8.1%N/A8.6 $0.21
8/15/202316,067,600 shares $3.58 million -40.0%N/A2.2 $0.22
7/31/202326,765,000 shares $5.59 million +0.3%N/A7.8 $0.21
7/15/202326,695,600 shares $6.96 million -0.1%N/A10.5 $0.26
6/30/202326,722,500 shares $7.22 million -0.8%N/A11.1 $0.27
6/15/202326,948,200 shares $6.79 million -0.2%N/A9.9 $0.25
5/31/202327,009,000 shares $7.07 million -3.3%N/A14.2 $0.26
5/15/202327,921,000 shares $7.40 million +1.7%N/A13.9 $0.27
4/30/202327,460,800 shares $8.04 million -1.8%N/A18.5 $0.29
4/15/202327,965,300 shares $8.45 million +3.2%N/A6.7 $0.30
3/31/202327,096,500 shares $9.75 million +1.4%N/A11.2 $0.36
3/15/202326,726,800 shares $10.00 million +2.4%N/A5.6 $0.37
2/28/202326,113,800 shares $8.38 million +2.7%N/A7.2 $0.32
2/15/202325,428,900 shares $7.08 million -2.7%N/A6.8 $0.28
1/31/202326,140,000 shares $6.88 million -1.5%N/A6.9 $0.26
1/15/202326,528,000 shares $6.63 million -4.1%N/A6.7 $0.25
12/30/202227,656,900 shares $6.22 million -11.7%N/A2.7 $0.23
12/15/202231,304,500 shares $10.02 million -4.6%N/A10.7 $0.32
11/30/202232,811,200 shares $11.81 million -3.3%N/A13.5 $0.36
11/15/202233,929,800 shares $13.40 million -5.0%N/A16.1 $0.40
10/31/202235,699,900 shares $12.25 million -5.1%N/A17.8 $0.34
10/15/202237,621,300 shares $16.55 million -5.9%N/A16.9 $0.44
9/30/202239,993,600 shares $16.60 million +0.7%N/A11.8 $0.42
9/15/202239,705,000 shares $24.02 million -2.1%N/A23.3 $0.61
8/31/202240,549,900 shares $21.15 million -8.8%N/A11.2 $0.52
8/15/202244,456,900 shares $36.79 million -11.7%N/A4.8 $0.83
7/31/202250,345,200 shares $38.77 million -3.5%N/A5.8 $0.77
7/15/202252,176,600 shares $22.95 million -2.1%N/A13.2 $0.44
6/30/202253,281,600 shares $22.37 million +2.4%N/A32.8 $0.42
6/15/202252,028,700 shares $20.65 million +4.6%N/A12.6 $0.40
5/31/202249,725,000 shares $15.96 million +6.3%N/A19.8 $0.32
5/15/202246,788,400 shares $15.91 million +1.6%N/A16.1 $0.34
4/30/202246,043,000 shares $14.69 million +15.1%N/A7.5 $0.32
4/15/202239,997,200 shares $10.60 million -10.4%N/A7.2 $0.27
3/31/202244,660,400 shares $16.41 million +1.0%N/A6.9 $0.37
3/15/202244,227,800 shares $17.03 million +1.1%N/A14 $0.39
2/28/202243,739,200 shares $22.39 million +3.7%N/A10 $0.51
2/15/202242,170,100 shares $24.42 million +0.5%N/A9.9 $0.58
1/31/202241,945,600 shares $22.23 million +4.6%N/A5.9 $0.53
1/15/202240,088,600 shares $27.86 million +25.5%N/A3 $0.70
12/31/202131,937,600 shares $31.58 million -1.4%N/A6.1 $0.99
12/15/202132,391,100 shares $33.52 million +5.5%N/A6.2 $1.04
11/30/202130,702,100 shares $38.38 million +0.6%N/A8.1 $1.25
11/15/202130,529,000 shares $37.70 million -7.0%N/A5.1 $1.24
10/29/202132,828,700 shares $41.04 million -7.2%N/A6.6 $1.25
10/15/202135,369,200 shares $50.22 million -9.8%N/A8.5 $1.42
9/30/202139,207,900 shares $77.63 million +2.2%N/A7.1 $1.98
9/15/202138,362,800 shares $58.50 million +2.4%N/A9.1 $1.53
8/31/202137,467,600 shares $51.71 million +2.4%N/A11.4 $1.38
The End of Elon Musk…? (Ad)

The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, and he's been proven right time and time again. And now, while the media focuses on Tesla's "demise," he's uncovered an AI breakthrough that's about to make Elon's doubters eat their words yet again. According to his research, if you listen to the media and miss out on Elon's newest breakthrough, it's going to cost you the fortune of a lifetime.

Click here to see why the "End of Elon" crowd is about to be wrong again.
8/13/202136,577,500 shares $53.95 million +1.4%N/A6.9 $1.48
7/30/202136,063,100 shares $60.95 million +2.9%N/A8.7 $1.69
7/15/202135,060,100 shares $47.93 million -2.0%N/A8.5 $1.37
6/30/202135,769,200 shares $60.81 million -4.2%N/A9.5 $1.70
6/15/202137,327,400 shares $66.44 million -4.8%N/A8.3 $1.78
5/28/202139,220,400 shares $74.52 million +4.7%N/A4.8 $1.90
5/14/202137,454,600 shares $98.13 million +0.1%N/A10 $2.62
4/30/202137,406,300 shares $104.36 million -1.4%N/A12.5 $2.79
4/15/202137,949,100 shares $108.15 million +7.3%N/A5 $2.85
3/31/202135,355,800 shares $99.70 million +11.3%N/A9.5 $2.82
3/15/202131,756,800 shares $72.61 million +38.8%N/A2.2 $2.29
2/26/202122,887,200 shares $108.03 million +5.9%N/A3.3 $4.72
2/12/202121,610,000 shares $119.72 million -21.8%N/A2.2 $5.54
1/29/202127,620,400 shares $140.86 million -8.5%N/A5.2 $5.10
1/15/202127,043,500 shares $142.95 million +0.9%N/A3.9 $5.29
12/31/202028,551,500 shares $141.47 million +5.6%N/A1.7 $4.96
12/15/202027,043,500 shares $88.97 million +0.9%N/A3.9 $3.29
11/30/202026,802,300 shares $71.29 million -0.1%N/A8.5 $2.66
11/15/202026,829,000 shares $66.54 million +0.5%N/A4.1 $2.48
10/30/202026,696,700 shares $63.81 million +9.7%N/A4.7 $2.39
10/15/202024,327,000 shares $69.58 million +4.2%N/A4.6 $2.86
9/30/202023,357,800 shares $68.20 million -1.3%N/A5.4 $2.92
9/15/202023,659,300 shares $96.77 million -10.8%N/A3.3 $4.09
8/31/202026,536,800 shares $89.16 million +42.2%N/A2.3 $3.36
8/14/202018,666,200 shares $70.18 million +41.0%N/A2.3 $3.76
7/31/202013,240,400 shares $65.86 million +38.2%N/A1.2 $4.97
7/15/20209,577,900 shares $46.45 million -6.6%N/A0.5 $4.85
6/30/202010,252,400 shares $89.91 million +11.1%N/A0.7 $8.77
6/15/20209,230,700 shares $28.52 million -6.4%N/A1.9 $3.09

CYDY Short Interest - Frequently Asked Questions

What is CytoDyn's current short interest?

Short interest is the volume of CytoDyn shares that have been sold short but have not yet been covered or closed out. As of May 31st, investors have sold 35,031,400 shares of CYDY short. 2.86% of CytoDyn's shares are currently sold short. Learn More on CytoDyn's current short interest.

What is a good short interest ratio for CytoDyn?

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. CYDY shares currently have a short interest ratio of 8.0. Learn More on CytoDyn's short interest ratio.

What is a good short interest percentage for CytoDyn?

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. 2.86% of CytoDyn's floating shares are currently sold short.

Is CytoDyn's short interest increasing or decreasing?

CytoDyn saw a increase in short interest in May. As of May 31st, there was short interest totaling 35,031,400 shares, an increase of 0.0% from the previous total of 35,015,100 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 CytoDyn's short interest compare to its competitors?

2.86% of CytoDyn's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to CytoDyn: Apogee Therapeutics, Inc. (27.20%), Beam Therapeutics Inc. (26.67%), Schrödinger, Inc. (16.05%), Bausch Health Companies Inc. (2.96%), Disc Medicine, Inc. (14.71%), Biohaven Ltd. (12.74%), Arcutis Biotherapeutics, Inc. (15.84%), Edgewise Therapeutics, Inc. (18.56%), Adaptive Biotechnologies Co. (6.96%), Dyne Therapeutics, Inc. (31.66%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks.

What does it mean to sell short CytoDyn stock?

Short selling CYDY is an investing strategy that aims to generate trading profit from CytoDyn as its price is falling. CYDY shares are trading up $0.01 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 CytoDyn?

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

How often is CytoDyn'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 CYDY, twice per month. The most recent reporting period available is May, 31 2025.




This page (OTCMKTS:CYDY) was last updated on 6/12/2025 by MarketBeat.com Staff
From Our Partners