How to Buy Castellum Stock
Castellum Inc
Castellum is a information technology service company located in Maryland, United States, which is part of the Technology sector, and is traded under the ticker CTM on the NYSEMKT exchange.
Castellum stock last closed at $0.66, down 1.05% from the previous day, and has decreased 30.84% in one year. It has underperformed other stocks in the Information Technology Services industry by 0.04 percentage points. Castellum stock is currently +36.59% from its 52-week low of $0.48, and -57.88% from its 52-week high of $1.56.
As of May 1, 2026, there are 94.61M CTM shares outstanding. The market capitalization of CTM is $62.16M. In the last 24 hours, 511,000 CTM shares were traded.
How to Buy Castellum Stock
Wondering how to invest in Castellum stock? Here's how.
- Figure out where to buy Castellum stock: You need to pick a stock brokerage, but don't worry - we've tested dozens of online brokerages and apps to help you figure out where to buy Castellum stock.
- Open your brokerage account: Sign up for 0% fee trading with the highest-rated brokerage we've selected.
- Deposit funds into your investment account: Select your payment method and add your information.
- Evaluate Castellum stock: The Castellum ticker symbol is CTM. Is Castellum stock a good investment? Should you buy shares of CTM? How do CTM's underlying business fundamentals look? Do top analysts think Castellum is a good buy? Why has CTM's stock price moved recently? (Hint: Our stock research website can help you decide if CTM is a good stock to buy).
- Place your CTM purchase: Decide if you will purchase CTM shares at the current market price or use a limit order to purchase CTM shares at a given price.
- Get the latest scoop on your CTM position: Create a watchlist to important notifications about your new investment in Castellum stock.
Step 1: Figure out where to buy Castellum stock
You will need a brokerage account to access the NYSEMKT market and buy CTM shares.
Our favorite brokerage: eToro
In our opinion, eToro is the best stock brokerage. eToro gives you:
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- Social investing: eToro offers a community of more than 20 million users worldwide. Talk to, learn from, and copy the crypto trades of top investors.
- Security: eToro is a regulated and licensed brokerage platform.
- Buy other financial assets: Such as ETFs and cryptocurrencies.
Get $10 towards your share purchase by creating an account with eToro today. This offer is only for US users.
Open eToro AccountStep 2: Open your brokerage account
Now that you've chosen the best brokerage, it's time to fill out some personal details so you are able to buy CTM stock today.
How to Create a New Account on eToro
- Click here to get started.eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.
- Input your personal data to open a new trading account.
- Submit your details by hitting the "Create Account" button. Get started with eToro today
Step 3: Deposit funds into your investment account
Now that you have finished signing up on the best stock market app for beginners, your next step is to transfer the money for your investment:
Check out the video below to see the process of transferring money into your brokerage account.
Step 4: Evaluate Castellum stock
Once you have chosen the best place to buy Castellum stock, it's critical to research their stock before you buy, so you actually wrap your head around the risk as well as the upside.
Castellum Numbers
CTM Due Diligence Checks
WallStreetZen was built to help everyday investors perform more accurate fundamental analysis quickly.
You can see all of the due diligence checks on CTM's stock page.
Is CTM stock undervalued or overvalued?
You can use a variety of different financial metrics, analyses, models, and charts to gauge CTM's fair value.
Using relative valuations metrics:
- CTM may be undervalued based on its P/B ratio of 1.74x, relative to Information Technology Services industry P/B ratio of 3.23x
You can access more valuation analysis on CTM's stock here.
CTM Financial Overview
Pros:
- CTM profit margin has gone up from -22.6% to -4.7% in the past year.
- Total CTM debt is lower than 5 years ago, relative to shareholder equity.
- CTM has $14.88M in cash and short term investments. This is enough to cover its annual cash burn of $2.10M.
- There are more short-term assets than long-term liabilities on the CTM balance sheet.
- CTM has a low debt to equity ratio of 0.17.
- There are more short-term assets than short-term liabilities on the CTM balance sheet.
- CTM has cash burn of 2100118. It has sufficient cash and short-term investments to cover this for at least one year.
You can dig deeper into what analysts are forecasting on the Castellum stock forecast page.
CTM Technical Indicators
How is CTM performing as a company?
Last year, CTM revenue was $52.87M. Over the past 5 year, CTM's revenue has grown by 31.71% per year. This was faster than the Information Technology Services industry average of 6.09%.
Find out more about CTM's earnings and revenue performance here.
What are CTM executives and large shareholders up to?
Over the past 12 months, insiders at CTM have sold more shares than they have bought.
David T. Bell, Chief Financial Officer of CTM, was the latest CTM insider to buy. They bought $603.37 worth of CTM shares on Mar 31, 2026.
Learn more about who owns CTM shares here.
Does CTM stock generate passive income?
No, Castellum doesn't provide an income stream by paying out dividends.
What others are saying about CTM
One of the reasons eToro is our top-rated brokerage is because of its social trading community.
Click below to find out what other community members have to say.
Step 5: Place your CTM purchase
There are two main types of orders:
- Market order: A market order is an order to buy or sell a security at the best possible price.
Market orders are mostly the easiest way to buy. - Limit order: A limit order allows you to buy or sell a stock at a specific price (or better).
If you want to be sure you're buying or selling at a given price, place a limit order.
Click the Open Trade button and eToro will execute your order.
If you need additional info about buying stocks on eToro, watch the helpful video below:
Step 6: Get the latest scoop on your CTM position
Now that you own some shares in CTM, you'll want to keep up with your company.
Add CTM to a watchlist to keep tabs on your CTM stock.
CTM Feed
How to Buy Stock in Castellum
To reiterate, here are the 6 steps to buy stock in Castellum:
- Figure out where to buy Castellum stock
- Open your brokerage account
- Deposit funds into your investment account
- Evaluate Castellum stock
- Place your CTM purchase
- Get the latest scoop on your CTM position
If you need a place to buy stocks, eToro is our favorite venue.
Get Started with eToro TodayIf you would like to monitor your new investment in Castellum, add CTM to your watchlist by clicking the button below.
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