How to buy Castor Maritime shares (CTRM)

The shipping company, Castor Maritime, offers a way to invest in the movement of goods around the world. In this guide we take you through a step-by-step guide to buying shares in the company.
Updated: Jul 6, 2023

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This beginner’s guide covers everything you need to know about Castor Maritime and how to invest in it. Take a look at the company’s history as well as its hopes for the future, and compare the different ways to gain exposure to the stock.

Compare the best Castor Maritime trading platforms

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Before you can do anything else, you need to sign up for an online stock broker. A broker is the platform through which you buy and sell shares. The table below lists our favourite brokers and you can get started by following any of the links. To first learn more about Castor Maritime, keep reading.

How to buy Castor Maritime stock, a step-by-step guide

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The process of getting shares in Castor Maritime isn’t massively complicated, so don’t worry even if you’re new to stock investing. These are the steps to follow in order to complete your investment:

  1. Choose a broker. You will need to use an online brokerage platform. There are many different options to choose from, each with their own unique benefits and drawbacks. The comparison table above can help you select the right broker for you, and you can head to our comprehensive broker reviews if you’re still unsure.
  2. Create an account. Once you’ve selected your broker, simply go to their website and create an account. The steps required for this will vary from platform to platform, but generally you can expect to have to provide your name, email address, phone number, and some form of photo identification.
  3. Deposit funds. Log into your broker account and select the option to deposit funds. Depending on your broker you’ll have a variety of payment options available; most brokers accept bank transfers and debit card payments, but not all accept e-wallets such as PayPal. Select your preferred payment method and deposit the amount of money you wish to invest in Castor Maritime shares.
  4. Place an order for CTRM stock. Search for Castor Maritime’s ticker symbol (CTRM) and see the current price at which the stock is trading. If you’re happy with the price, enter the amount of shares you wish to own and place your order.
  5. Execute your order. Once you have placed your order, your broker will automatically execute it for you and your Castor Maritime shares will be listed in your account. Congratulations, you’ve just bought shares in Castor Maritime.

Should I invest in Castor Maritime?

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That depends on whether you prefer safer investments or are happy to take more of a gamble. Castor Maritime is a company that has the potential to grow in value but there are plenty of question marks around it.

Castor operates in the shipping industry and owns a collection of huge cargo vessels which it rents out to earn money. Rather than operate the business itself, it pays two other companies; one owned by the CEO and one by his sister, to do the work.

Part of the reason that it can’t do any of the work itself is that it employs a grand total of one person, and the CEO is also the chairman, CFO, and sole employee. This convoluted arrangement, as well as the company’s chequered performance over the last few years, is worth considering before you invest.

How has the company performed in recent years?

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Since going public in 2019 the company has struggled. It debuted on the stock market trading at $50 a share and by the start of 2021 it had fallen to below $2. Over that time, it was hammered by a poor global shipping situation and routinely released more shares to try to raise money.

Where there has been success, it has come at a cost. Castor Maritime owned just a single ship in 2019 but now owns 16, with plans to add more. Its plan is to try to identify opportunities and spend big to acquire a fleet in the short term, then make money from it over time.

The danger was and is that the stock price might fall so much that the company would be delisted from the NASDAQ Exchange before it had a chance to succeed. It avoided that potentially fatal blow through a reverse split of its stock in 2021 (the act of bundling shares together to create a single, more valuable share) but it reflects the thin line Castor has been operating on.

Is it a good time to buy Castor Maritime shares now?

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There are two ways to view it; either Castor is at a low point and its price offers a great opportunity, or it’s simply not a good company and the price reflects that. You have to decide which side of the fence you fall down on, although the fact it’s even a question means it might pay to be cautious.

Penny stocks do sometimes explode in value and return their investors’ money many times over. The fact Castor has a larger fleet to make money on now than it did a couple of years ago is a positive, as is the fact it did briefly turn a profit in 2021. However, reverse stock splits, the threat of delisting, and releasing more and more shares to raise money all represent major concerns.

The best way to approach Castor is to go in without much expectation and invest in small amounts. Keep track of its performance and any news that affects it, as there is a chance your holdings might be diluted or lose value very quickly. Use the links below to stay up to date with everything you need to know about Castor Maritime.

Buying, selling and trading Castor Maritime shares for beginners

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What to do before buying shares

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You should always take the time to research a stock fully before investing your money, especially if you haven’t bought shares before. The more knowledge you have, the better your chances of making a wise investment. 

With that in mind, here’s a checklist to run through before you start.

  1. Research the company. You should always examine the fundamentals of a company first. What is Castor Maritime? How did the company get its start? How did it grow? Is Castor Maritime’s revenue and profit growth picking up? Is the company innovating? The more you know about Castor Maritime, the better positioned you’ll be to make smart investment decisions.
  2. Make sure you understand the basics of stock investing. Before getting involved in the stock market, make sure you have an understanding of how it works. This will ensure that you have more clearly defined goals and have thought through how you will achieve them.
  3. Decide between share dealing and CFD trading. Choose the type of investment strategy you want to pursue, and make sure you have carried out the necessary fundamental or technical analysis for share dealing and CFD trading respectively.
  4. Set the size of your budget. The golden rule of investing is never to risk more than you can afford to lose. Not every investment you make will result in a profit, so it is important to set a budget that not only allows good potential for capital growth, but also protects against overly damaging losses.
  5. Find the right broker. Individual brokers each have their own pros and cons. Some will have low fees but have a user interface you struggle to understand, whereas others may be a bit more expensive but come with a range of features that you want to take advantage of. Our broker reviews can help you find the right platform for you.
  6. Examine broader market conditions. No stock exists in a vacuum, and it’s always important to analyse the general trends of the stock market as a whole before investing. If a bear market is setting in and stock prices are falling, it’s best to wait it out and invest your money later when the stock is cheaper. If, however, the market is looking bullish, you’ll want to make your investment quickly to get the maximum benefit from rising stock prices.

What is the difference between buying, selling, and trading shares?

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If you’re new to stock investing, then it’s important to understand the basics of how to buy, sell, and trade Castor Maritime shares. Here’s a quick run-through of what’s involved in each.

Buying Castor Maritime

This process involves finding a broker and placing an order for Castor Maritime stock, as outlined in the steps further up this page. Ideally you want to time your investment when the stock’s price is low so that you can profit by selling the shares after they increase in value.

Selling Castor Maritime

When you sell any Castor Maritime shares you have bought, you’ll want to do so at a higher price than the one at which you bought to earn a profit. 

When you sell is up to you. You might decide to hold for a long period of time, hoping to benefit from the company growing steadily throughout. Or, if you see that Castor Maritime’s stock is already up a lot compared to the price you bought it and you’ve noticed that the stock market is starting to fall, it might make sense to sell and take your profits to invest elsewhere. Equally, if the stock has fallen since you bought it and looks set to fall further, it might be a good idea to cut your losses by selling your shares.

Trading Castor Maritime

Trading is the same process, it’s just done over shorter periods of time with the aim to make small profits on a regular basis. This means that you can make money faster and spend your profits in your day-to-day life – however, on the other side it means you can lose money faster as well. For inexperienced investors, we generally recommend making investments for at least 6 months to a year instead of making trades in quick succession.

You can trade Castor Maritime shares through buying and selling shares, or by trading with CFDs. These allow investors to speculate on stock prices and trade with leverage in pursuit of bigger gains. CFDs trading is explained further in the next section, but it is worth noting that beginners should avoid trading with leverage. It comes with large risks and is best left to experienced investors.

Share dealing vs CFD trading

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When it comes to investing in any stock, the two options you have are share dealing and trading. Which one of these methods to opt for largely depends on your investment timeline, with investors thinking long term tending to go for share dealing, and those looking for short term gains pursuing a more aggressive trading strategy.

Here’s a quick summary of the two approaches, and the pros and cons of each.

Share dealing 

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Share dealing refers to the practice of buying and holding shares in a particular company over the long term. When investing like this, you’re seeking to profit either from dividend payments or an increase in the stock’s price over time.

When investing your money this way, it is important to do thorough fundamental analysis of the company in which you are investing. You want to put your money in a stock you believe will trend upwards over time, even if there is some market volatility along the way, rather than get distracted by shorter term peaks and troughs.


  • Can build wealth over time to achieve financial goals
  • Don’t need to be very reactive to short-term market movements
  • Some stocks will give you an income through regular dividend payments


  • Takes a long time to realise any profits
  • Your capital is tied up in stocks and cannot be used for other investments

CFD Trading 

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If your aim is to generate profits in the short term, then you might be better off trading shares than holding them in your portfolio. Stock trades like this are executed using CFDs (contracts for difference), which allow investors to trade against the value of a stock without having to take ownership of it. When CFD trading, investors are looking to buy and sell stocks fast to profit from short-term fluctuations in value.

One aspect of CFD trading that many investors find attractive is that they allow you to trade with leverage. This means you can place large trades while only putting up a fraction of the value yourself – for instance, if a platform offered leverage of 1:10, you could put £10 into CTRM shares and be able to trade £100 worth. This can maximise profits if the market moves in your favour, but be careful as it can also lead to heavy losses.

When trading using CFD brokers, it is key to be skilled at technical analysis and reading stock price charts. As you’re trading stocks quickly and frequently, the fundamental strength of the company in which you’re investing isn’t as important as being able to predict how its stock price will rise and fall minute-by-minute.


  • Can generate fast profits if you read the market right 
  • Some platforms allow you to trade with leverage
  • Prevents your capital being tied up so you can take advantage of investment opportunities


  • Trading with leverage is risky and can lead to big losses
  • Doesn’t necessarily generate growth over the long term

Consider which approach suits you best and craft an investment strategy that works for you. If you need more information, take our courses on long term investing or short term trading to get a feel for what you might prefer.

How to choose a broker

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With the wide variety of online brokers available these days, it can be hard to figure out which is the best service to go with. Our comparison table and in-depth reviews can help you cut through the noise, but by and large these are the aspects you should be considering when selecting a broker:

  • Range of stocks available. The most important thing is that you can actually use the broker to find the shares you’re looking for. Some brokers offer more stocks than others, and many will allow you to trade other assets, such as forex and commodities.
  • Fees and commissions. You want to keep as large a chunk of your profits as you can, so it’s important to make sure your broker doesn’t charge high fees that can eat into your profits.
  • Regulation. You should only use regulated brokers. Unregulated brokers can be risky and offer little to no protection if the business were to fail while you had funds in your account.
  • Payment methods available. You might want to fund your trading account using a specific payment method, such as PayPal. Not all brokers accept every payment method, but using our comparisons you can search only the brokers that support the option you’re looking for.
  • Reputation. One of the strongest indicators of a broker’s reliability is the reputation it has with the customers who have used it. Brokers are online businesses, and as such many user experiences can be found online. You can check these out in addition to our reviews to make sure you choose the right platform.
  • Customer service. As you’re going to be investing your money using the platform, you want to check that the broker offers good customer service in case you have a query or something goes wrong.

Latest Castor Maritime news

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James Knight
Editor of Education
James is a lead content editor for Invezz. He's an avid trader and golfer, who spends an inordinate amount of time watching Leicester City and the... read more.