How to Calculate Return on Investment (ROI)

How to Calculate Return on Investment (ROI)


Consider the ROI (return on investment). As you might expect, it’s also a great way to compare the relative returns of various investments. A higher return on investment (ROI) is obviously preferable to a lower (or negative) one. You’re probably wondering how this relates to your personal portfolio. Continue reading.


It is critical to keep track of your outcomes, whether you are a day trader, swing trader, or long-term investor. What other way could you assess your progress? One of the major benefits of trading is the availability of several objective performance measurements. This can be a very effective technique for overcoming cognitive and emotional biases.

Therefore, why bother? The human mind creates stories to explain everything in order to make sense of its environment. One thing you can’t “hide” from is numerical evidence. If your returns are negative, you must change your strategy. Similarly, if your opinion of your performance differs from the objective evidence, it is most likely due to judgment.

We’ve discussed risk management, how much to invest in position sizing, and how to use a stop-loss. But how do you know how well your investments are performing? And how would you assess the performance of different investments? The ROI calculation is helpful in this situation. The concept of ROI (return on investment) is the focus of this paper.

What is Return on Investment (ROI)?

The calculation of a return on investment (ROI) is one method for determining the success of an investment. It’s also handy for comparing different financial assets.

In the following part, we’ll go through a few of the various ways of determining earnings. However, for the time being, understand that Return on Investment (ROI) estimates earnings or losses in relation to the initial investment. In other words, it’s a rough estimate of the return on investment. A positive return on investment (ROI) denotes a profit, whereas a negative ROI denotes a loss.

Calculating return on investment may assist in any type of business or transaction, not just trade and investment. Before investing in or operating a restaurant, you should run the numbers. Is there a financial reason for opening it? An estimated return on investment (ROI) based on all expected expenditures and profits may assist you in making a more informed business decision. If the predicted return on investment (ROI) is positive, then it is profitable to establish the company.

Return on investment is also useful in determining the success of completed transactions. Consider the purchase of a used exotic car for $200,000. You invested $50,000 in it over the course of two years. Assume the car’s market value rises, and you can sell it for $300,000. This vehicle not only served you well for two years, but it also made a handsome profit. What is the monetary value of that? We should look at this.

Methods for calculating ROI

The return on investment is based on simple math. To calculate the return on an investment, first determine its current value and subtract the initial investment cost. After that, divide the amount by the initial investment.

ROI (Return on Investment) = Current Value / Initial Investment

So, how much money could you make if you sold your fancy car?

ROI = (300,000 – 200,000) / 200,000 = 0.5 

You’ve managed to generate a 50% return. By multiplying it by 100, you get the rate of return (ROR).

0.5 x 100 = 50

In other words, you doubled your money. However, in order to get the full picture, you must consider the vehicle’s cost. Subtraction from the car’s current price yields:

300,000 – 50,000 = 250,000

You can now include costs in an ROI calculation.

ROI = (250,000 – 200,000) / 200,000 = 0.25

Your rate of return is 25%. The net profit calculation formula is as follows: The cost of investment ($200,000) times the return on investment (ROI) of 0.25 is $50,000.

200,000 x 0.25 = 50,000

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Limitation Of ROI 

As a result, return on investment is straightforward to understand and serves as a standard descriptor of financial performance. What, if any, limitations exist? Sure.

One of the primary disadvantages of ROI is the lack of regard for the term of an investment. So, what’s the big deal? When it comes to investing, we all know that time equals money. While other variables (such as liquidity and security) should be considered, a 50% return on investment in one year is preferable to a 50% return on investment in five years. This is why you may hear the term “annualized ROI,” which examines the potential benefits of an investment over the course of a year.

However, ROI does not take into account the entire picture of an investment. Not all investments with high returns are worthwhile. What if you have to sit on an investment for a long time because no one wants to buy it? What if the underlying investment is insufficiently liquid?

Another factor to consider is the possibility of injury. The potential return on investment in a specific business may be substantial, but at what cost? The predicted return is pointless if there is a significant chance that it may fall to zero or that your assets will become inaccessible. Why? A long-term investment in this asset carries a high level of risk. While a huge payout is possible, you should not put your entire initial investment in danger.

To determine the security of an investment, consider a number of factors other than the return on investment. You could start by calculating the possible risk/reward ratio for each investment or trade. This will give you a better picture of how good each wager is. Furthermore, when evaluating investments, certain stock market analysts may include extra criteria. Cash flow, interest rate, capital gains tax, return on equity (ROE), and other variables may be evaluated.

To summarize

We’ve talked about what ROI is and how it may assist traders in making better investment selections. Calculating ROI is an essential part of tracking the success of any investment, business, or portfolio.

We’ve demonstrated that return on investment isn’t everything, but it can be useful. When picking between possible investments, consider the opportunity cost, risk/reward ratio, and other factors. Return on investment (ROI) may, yet, be a useful comparison for initial assessments of financial commitments.

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