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Cyclerion Therapeutics (CYCN) Short Interest Ratio & Short Volume

Cyclerion Therapeutics logo
$3.15 -0.11 (-3.37%)
Closing price 04:00 PM Eastern
Extended Trading
$3.05 -0.10 (-3.17%)
As of 07:45 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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Cyclerion Therapeutics Short Interest Overview

As of November 14, 2025, Cyclerion Therapeutics (CYCN) had a short interest of 335,301 shares sold short, representing 13.00% of the public float. This marks a 225.60% increase in short interest since the prior report. The short interest ratio (days to cover) is 0.2, meaning it would take 0.2 days of the average trading volume of 372,194 shares to cover all short positions.

Current Short Interest
335,301 shares
Previous Short Interest
102,981 shares
Change Vs. Previous Month
225.60%
Dollar Volume Sold Short
$456.01 thousand
Short Interest Ratio
0.2 Days to Cover
Last Record Date
November 14, 2025
Outstanding Shares
4,330,000 shares
Short Percent of Float
13.00%
Today's Trading Volume
111,792 shares
Average Trading Volume
372,194 shares
Today's Volume Vs. Average
30%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

CYCN Short Interest Over Time

CYCN Days to Cover Over Time

CYCN Percentage of Float Shorted Over Time

Cyclerion Therapeutics 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
11/14/2025335,301 shares $456.01 thousand +225.6%13.0%0.16 $1.36
10/31/2025102,981 shares $192.57 thousand -6.3%4.7%2.63 $1.87
10/15/2025109,900 shares $260.46 thousand -37.5%6.1%0.3 $2.37
9/30/2025175,900 shares $404.57 thousand +877.2%8.7%0.5 $2.30
9/15/202518,000 shares $42.48 thousand -57.9%0.9%0.1 $2.36
8/31/202542,700 shares $107.82 thousand +63.0%2.1%1.1 $2.53
8/15/202526,200 shares $61.83 thousand +98.5%1.3%0.7 $2.36
7/31/202513,200 shares $34.98 thousand -23.3%0.7%0.4 $2.65
7/15/202517,200 shares $54.70 thousand -40.7%0.9%0.6 $3.18
6/30/202529,000 shares $84.39 thousand -10.2%1.5%1.4 $2.91
6/15/202532,300 shares $100.45 thousand +25.7%1.7%2.1 $3.11
5/31/202525,700 shares $75.82 thousand +2.4%1.3%1.5 $2.95
5/15/202525,100 shares $73.29 thousand -51.8%1.3%0.9 $2.92
4/30/202552,100 shares $179.75 thousand +14.0%2.7%1 $3.45
4/15/202545,700 shares $122.93 thousand +9.1%2.8%0 $2.69
3/31/202541,900 shares $104.75 thousand -40.8%2.6%0 $2.50
3/15/202570,800 shares $179.12 thousand -40.9%3.9%0 $2.53
2/28/2025119,700 shares $319.60 thousand +93.4%6.5%0 $2.67
2/15/202561,900 shares $193.13 thousand -55.3%3.4%0 $3.12
1/31/2025138,500 shares $542.92 thousand +354.1%7.1%0 $3.92
1/15/202530,500 shares $91.81 thousand -64.1%1.6%0 $3.01
12/31/202484,900 shares $273.38 thousand -28.7%4.3%0 $3.22
12/15/2024119,100 shares $408.51 thousand -84.1%6.1%0 $3.43
11/30/2024747,900 shares $1.65 million +13,498.2%38.2%0.3 $2.20
11/15/20245,500 shares $14.19 thousand -61.8%0.3%0 $2.58
10/31/202414,400 shares $41.62 thousand +20.0%0.7%1.1 $2.89
10/15/202412,000 shares $29.16 thousand +11.1%0.6%1.9 $2.43
9/30/202410,800 shares $27.86 thousand -17.6%0.5%1.8 $2.58
9/15/202413,100 shares $37.99 thousand No Change0.6%2.3 $2.90
8/31/202413,100 shares $38.38 thousand -3.0%0.6%2 $2.93
8/15/202413,500 shares $37.26 thousand -18.2%0.7%2.2 $2.76
7/31/202416,500 shares $60.06 thousand -4.6%0.8%2.8 $3.64
7/15/202417,300 shares $50.52 thousand +10.9%0.8%3.6 $2.92
6/30/202415,600 shares $35.88 thousand +7.6%0.8%3.9 $2.30
6/15/202414,500 shares $39.38 thousand -18.5%0.7%4.5 $2.72
5/31/202417,800 shares $47.53 thousand -4.3%0.9%8.9 $2.67
5/15/202418,600 shares $55.43 thousand -4.1%0.9%8.1 $2.98
4/30/202419,400 shares $56.45 thousand -4.0%1.0%7.2 $2.91
4/15/202420,200 shares $69.49 thousand -8.6%1.0%7 $3.44
3/31/202422,100 shares $70.72 thousand -6.0%1.2%7.4 $3.20
3/15/202423,500 shares $76.38 thousand -4.9%1.3%7.8 $3.25
2/29/202424,700 shares $74.10 thousand -7.8%1.3%4.2 $3.00
2/15/202426,800 shares $76.65 thousand +9.8%1.6%3.6 $2.86
1/31/202424,400 shares $73.20 thousand -5.8%1.4%3.1 $3.00
1/15/202425,900 shares $94.54 thousand -15.1%1.5%3.4 $3.65
12/31/202330,500 shares $102.18 thousand +1.0%1.7%3.5 $3.35
12/15/202330,200 shares $82.75 thousand +87.6%1.7%3.5 $2.74
11/30/202316,100 shares $34.78 thousand +21.1%0.9%2.2 $2.16
11/15/202313,300 shares $25.40 thousand -14.2%0.7%2.1 $1.91
10/31/202315,500 shares $40.30 thousand -13.9%0.8%2.2 $2.60
10/15/202318,000 shares $61.38 thousand +13.2%0.9%2.1 $3.41
9/30/202315,900 shares $54.38 thousand -14.5%0.8%1.8 $3.42
9/15/202318,600 shares $69.75 thousand +5.7%1.0%1.8 $3.75
8/31/202317,600 shares $63.18 thousand -31.8%0.8%1.6 $3.59
8/15/202325,800 shares $94.43 thousand +23.4%1.2%2.1 $3.66
7/31/202320,900 shares $64.79 thousand -37.8%1.0%0.7 $3.10
7/15/202333,600 shares $137.76 thousand +20.0%1.6%1.1 $4.10
6/30/202328,000 shares $115.08 thousand -22.7%1.2%1 $4.11
6/15/202336,200 shares $167.24 thousand No Change1.7%1 $4.62
5/31/202336,200 shares $157.48 thousand +168.2%1.9%1 $4.35
5/15/202313,500 shares $51.62 thousand No Change0.8%0.4 $3.82
10/31/2022445,800 shares $245.19 thousand +202.2%N/A2.1 $0.55
10/15/2022147,500 shares $61.40 thousand -23.0%N/A0.7 $0.42
9/30/2022191,600 shares $164.78 thousand -28.2%N/A1.3 $0.86
9/15/2022267,000 shares $245.61 thousand +29.4%N/A1.7 $0.92
8/31/2022206,300 shares $173.29 thousand +23.1%N/A0.8 $0.84
8/15/2022167,600 shares $149.16 thousand -17.6%N/A0.6 $0.89
7/31/2022203,500 shares $195.36 thousand -16.7%N/A0.8 $0.96
7/15/2022244,400 shares $221.43 thousand -7.7%N/A1 $0.91
6/30/2022264,700 shares $145.27 thousand +4.7%N/A1.1 $0.55
6/15/2022252,800 shares $122.99 thousand +12.2%N/A1 $0.49
5/31/2022225,400 shares $140.33 thousand -11.5%N/A1.7 $0.62
5/15/2022254,800 shares $143.96 thousand -10.8%N/A2.2 $0.57
4/30/2022285,500 shares $210.27 thousand -17.4%N/A2.4 $0.74
4/15/2022345,500 shares $345.50 thousand -5.8%N/A2.6 $1.00
3/31/2022366,800 shares $407.15 thousand -6.9%N/A2.6 $1.11
3/15/2022393,800 shares $393.80 thousand -20.1%N/A2.2 $1.00
2/28/2022492,900 shares $517.55 thousand -7.9%N/A2.3 $1.05
2/15/2022535,400 shares $599.65 thousand -15.6%N/A1.7 $1.12
1/31/2022634,300 shares $837.28 thousand +0.7%N/A1.9 $1.32
1/15/2022629,800 shares $875.42 thousand +0.8%N/A1.8 $1.39
12/31/2021624,800 shares $1.07 million -59.4%N/A1.6 $1.72
12/15/20211,540,000 shares $2.70 million -6.1%N/A3.9 $1.75
11/30/20211,640,000 shares $3.58 million +11.6%N/A3.7 $2.18
11/15/20211,470,000 shares $3.95 million +1.4%N/A3.6 $2.69
10/29/20211,450,000 shares $3.71 million +17.9%N/A4 $2.56
10/15/20211,230,000 shares $3.31 million +6.0%N/A3.1 $2.69
9/30/20211,160,000 shares $3.56 million -2.5%N/A2.4 $3.07
9/15/20211,190,000 shares $3.50 million -1.7%N/A2 $2.94
8/31/20211,210,000 shares $4.14 million -6.2%N/A1.7 $3.42
8/13/20211,290,000 shares $4.09 million -7.2%N/A1 $3.17
7/30/20211,390,000 shares $4.04 million -12.6%N/A1 $2.91
7/15/20211,590,000 shares $5.26 million -14.5%4.7%1.1 $3.31
6/30/20211,860,000 shares $7.25 million -41.5%5.5%1.4 $3.90
6/15/20213,180,000 shares $11.99 million +105.2%11.6%2.5 $3.77
5/28/20211,550,000 shares $5.02 million -11.4%5.6%1.4 $3.24
5/14/20211,750,000 shares $4.92 million +71.6%N/A3.2 $2.81

CYCN Short Interest - Frequently Asked Questions

What is Cyclerion Therapeutics' current short interest?

Short interest is the volume of Cyclerion Therapeutics shares that have been sold short but have not yet been covered or closed out. As of November 14th, traders have sold 335,301 shares of CYCN short. 13.00% of Cyclerion Therapeutics' shares are currently sold short. Learn More on Cyclerion Therapeutics' current short interest.

What is a good short interest ratio for Cyclerion Therapeutics?

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. CYCN shares currently have a short interest ratio of 0.2. Learn More on Cyclerion Therapeutics's short interest ratio.

What is a good short interest percentage for Cyclerion Therapeutics?

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. 13.00% of Cyclerion Therapeutics' floating shares are currently sold short.

Is Cyclerion Therapeutics' short interest increasing or decreasing?

Cyclerion Therapeutics saw a increase in short interest in November. As of November 14th, there was short interest totaling 335,301 shares, an increase of 225.6% from the previous total of 102,981 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 Cyclerion Therapeutics' short interest compare to its competitors?

13.00% of Cyclerion Therapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Cyclerion Therapeutics: Greenland Mines Ltd. Common Stock (3.33%), Telomir Pharmaceuticals, Inc. (7.08%), Incannex Healthcare Inc. (7.71%), Rallybio Corporation (29.63%), Atossa Genetics Inc. (4.53%), Dogwood Therapeutics, Inc (0.14%), Hyperion DeFi, Inc. (11.06%), Xilio Therapeutics, Inc. (3.31%), Zhengye Biotechnology Holding Limited (0.11%), Elutia Inc. (0.40%),

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 ($79.41 billion), Invesco QQQ ($31.14 billion), iShares Russell 2000 ETF ($20.32 billion), iShares 20+ Year Treasury Bond ETF ($12.61 billion), AppLovin Corporation ($9.14 billion), Palo Alto Networks, Inc. ($8.94 billion), SPDR S&P Biotech ETF ($8.68 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($6.85 billion), Robinhood Markets, Inc. ($5.59 billion), and Strategy Inc ($5.49 billion). View all of the most shorted stocks.

What does it mean to sell short Cyclerion Therapeutics stock?

Short selling CYCN is an investing strategy that aims to generate trading profit from Cyclerion Therapeutics as its price is falling. CYCN shares are trading down $0.11 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 Cyclerion Therapeutics?

A short squeeze for Cyclerion Therapeutics 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 CYCN, which in turn drives the price of the stock up even further.

How often is Cyclerion Therapeutics' 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 CYCN, twice per month. The most recent reporting period available is November, 14 2025.

What do CYCN's short interest metrics mean?

Understanding short interest metrics can help you assess how traders are positioning around a stock like CYCN:

  • 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.



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This page (NASDAQ:CYCN) was last updated on 5/5/2026 by MarketBeat.com Staff.
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