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Castellum (CTM) Short Interest Ratio & Short Volume

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$1.03 +0.01 (+0.98%)
Closing price 04:10 PM Eastern
Extended Trading
$1.04 +0.01 (+0.97%)
As of 07:55 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.

Castellum Short Interest Data

Castellum (CTM) has a short interest of 1.50 million shares, representing 2.44% of the float (the number of shares available for trading by the public). This marks a -32.74% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.6, indicating that it would take 0.6 days of the average trading volume of 2.67 million shares to cover all short positions.

Current Short Interest
1,500,000 shares
Previous Short Interest
2,230,000 shares
Change Vs. Previous Month
-32.74%
Dollar Volume Sold Short
$1.79 million
Short Interest Ratio
0.6 Days to Cover
Last Record Date
July 31, 2025
Outstanding Shares
93,000,000 shares
Float Size
61,440,000 shares
Short Percent of Float
2.44%
Today's Trading Volume
1,230,923 shares
Average Trading Volume
2,672,291 shares
Today's Volume Vs. Average
46%
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Skip Charts & View Short Interest History

CTM Short Interest Over Time

CTM Days to Cover Over Time

CTM Percentage of Float Shorted Over Time

Castellum Short Interest History

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/31/20251,500,000 shares $1.79 million -32.7%2.4%0.6 $1.19
7/15/20252,230,000 shares $3.08 million +317.5%3.6%1 $1.38
6/30/2025534,200 shares $560.91 thousand -23.6%0.9%0.3 $1.05
6/15/2025699,500 shares $818.42 thousand +8.0%1.1%0.4 $1.17
5/31/2025647,500 shares $640.77 thousand -55.7%1.1%0.3 $0.99
5/15/20251,460,000 shares $1.53 million -1.4%2.5%0.4 $1.05
4/30/20251,480,000 shares $1.45 million -28.9%2.6%0.4 $0.98
4/15/20252,080,000 shares $2.04 million -20.9%3.7%0.5 $0.98
3/31/20252,630,000 shares $2.79 million -7.4%4.7%0.5 $1.06
3/15/20252,840,000 shares $3.35 million +54.4%5.0%0.3 $1.18
2/28/20251,840,000 shares $1.99 million -5.6%3.6%0.2 $1.08
2/15/20251,950,000 shares $0.00 +200.6%3.9%0.2 $0.00
1/31/2025648,700 shares $0.00 -31.7%1.4%0.1 $0.00
1/15/2025949,200 shares $0.00 -69.4%2.0%0.1 $0.00
12/31/20243,100,000 shares $0.00 +378.3%8.6%0.4 $0.00
12/15/2024648,100 shares $0.00 +217.2%2.2%0.2 $0.00
11/30/2024204,300 shares $0.00 -38.5%0.7%0.1 $0.00
11/15/2024332,300 shares $0.00 +228.7%1.1%0.2 $0.00
10/31/2024101,100 shares $0.00 -44.3%0.4%0.1 $0.00
10/15/2024181,500 shares $0.00 -11.1%0.6%0.7 $0.00
9/30/2024204,200 shares $0.00 -54.2%0.7%0.2 $0.00
9/15/2024445,800 shares $0.00 -9.1%1.5%0.3 $0.00
8/31/2024490,400 shares $0.00 +45.1%1.8%0.4 $0.00
8/15/2024338,100 shares $0.00 -42.4%1.2%0.3 $0.00
7/31/2024586,500 shares $0.00 +559.7%2.2%0.5 $0.00
7/15/202488,900 shares $0.00 -28.5%0.3%0.1 $0.00
6/30/2024124,300 shares $0.00 -19.4%0.5%0.9 $0.00
6/15/2024154,300 shares $0.00 -11.8%0.6%1.2 $0.00
5/31/2024175,000 shares $0.00 +136.5%0.6%1.3 $0.00
5/15/202474,000 shares $0.00 -24.5%0.3%0.5 $0.00
4/30/202498,000 shares $0.00 -7.1%0.4%0.7 $0.00
4/15/2024105,500 shares $0.00 +25.5%0.4%0.6 $0.00
3/31/202484,100 shares $0.00 -11.5%0.3%0.4 $0.00
3/15/202495,000 shares $0.00 +88.5%0.4%0.4 $0.00
2/29/202450,400 shares $0.00 +145.9%0.3%0.2 $0.00
2/15/202420,500 shares $0.00 -54.8%0.3%0.1 $0.00
1/31/202445,300 shares $0.00 -37.3%0.7%0.2 $0.00
1/15/202472,200 shares $0.00 -28.8%1.2%0.1 $0.00
12/31/2023101,400 shares $0.00 -8.7%1.7%0.2 $0.00
12/15/2023111,000 shares $0.00 -25.8%1.9%0.2 $0.00
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11/30/2023149,500 shares $0.00 -37.4%2.6%0.2 $0.00
11/15/2023238,700 shares $0.00 -50.9%4.1%0.4 $0.00
10/31/2023485,900 shares $0.00 +301.2%8.3%0.7 $0.00
10/15/2023121,100 shares $0.00 +56.7%2.1%0.3 $0.00
9/30/202377,300 shares $0.00 -48.0%1.3%0.3 $0.00
9/15/2023148,700 shares $0.00 +5.9%2.5%0.5 $0.00
8/31/2023140,400 shares $0.00 +354.4%2.5%0.3 $0.00
8/15/202330,900 shares $0.00 -40.4%0.5%0.1 $0.00
7/31/202351,800 shares $0.00 +7.7%0.9%0.2 $0.00
7/15/202348,100 shares $0.00 -50.8%0.9%0.2 $0.00
6/30/202397,700 shares $0.00 +125.1%1.7%0.3 $0.00
6/15/202343,400 shares $0.00 -1.6%0.8%0.2 $0.00
5/31/202344,100 shares $0.00 -22.5%0.1%0.8 $0.00
5/15/202356,900 shares $0.00 No Change0.1%1 $0.00

CTM Short Interest - Frequently Asked Questions

What is Castellum's current short interest?

Short interest is the volume of Castellum shares that have been sold short but have not yet been covered or closed out. As of July 31st, investors have sold 1,500,000 shares of CTM short. 2.44% of Castellum's shares are currently sold short. Learn More on Castellum's current short interest.

What is a good short interest ratio for Castellum?

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. CTM shares currently have a short interest ratio of 1.0. Learn More on Castellum's short interest ratio.

What is a good short interest percentage for Castellum?

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. 2.44% of Castellum's floating shares are currently sold short.

Is Castellum's short interest increasing or decreasing?

Castellum saw a decline in short interest in July. As of July 31st, there was short interest totaling 1,500,000 shares, a decline of 32.7% from the previous total of 2,230,000 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 Castellum's float size?

Castellum currently has issued a total of 93,000,000 shares. Some of Castellum's 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. Castellum currently has a public float of 61,440,000 shares.

How does Castellum's short interest compare to its competitors?

2.44% of Castellum's shares are currently sold short. Here is how the short interest of companies in the industry of "business services" compare to Castellum: Benev Capital Inc. (0.39%), Lightbridge Corporation (20.62%), IBEX Limited (1.63%), Conduent Inc. (2.18%), Rimini Street, Inc. (1.13%), So-Young International Inc. Sponsored ADR (1.23%), Zhihu Inc. Sponsored ADR (0.71%), National Research Corporation (3.09%), Ooma, Inc. (2.62%), OptimizeRx Corp. (6.81%),

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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks.

What does it mean to sell short Castellum stock?

Short selling CTM is an investing strategy that aims to generate trading profit from Castellum as its price is falling. CTM 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 Castellum?

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

How often is Castellum'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 CTM, twice per month. The most recent reporting period available is July, 31 2025.




This page (NYSEAMERICAN:CTM) was last updated on 8/22/2025 by MarketBeat.com Staff
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