Rate of Return Formula

What is the Rate of Return?

The rate of return is the return that an investor expects from his investment and it is basically calculated as a percentage with a numerator of average returns (or profits) on an investment and denominator of the related investment on the same.

Rate of Return Formula

The formula can be derived as below:

Rate of Return = Average Return / Initial Investment
Rate-of-Return-Formula

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For eg:
Source: Rate of Return Formula (wallstreetmojo.com)

It is a very dynamic concept for understanding investment returns; hence it can be modified and tweaked a little to calculate returns from various avenues.

Examples

You can download this Rate of Return Formula Excel Template here – Rate of Return Formula Excel Template

Example #1

Anna owns a produce truck, invested $700 in purchasing the truck, some other initial admin related and insurance expensesInsurance ExpensesInsurance Expense, also called Insurance Premium, is the amount a Company pays to obtain an insurance contract for covering their risk from any unexpected catastrophe. You can calculate it as a fixed percentage of the sum insured & it is paid at a daily pre-specified period. read more of $1500 to get the business going, and has now a day to day expense of $500. Let’s consider hypothetically that her everyday profit is $550 (ideally, it will be based on sales). At the end of 6 months, Anna takes up her accounts and calculates her rate of return. 

  • Total Initial Investment: $2,200
  • Everyday Expenses: $500
  • Total Expenses for 6 months: $3,000
  • Everyday Returns: $550
  • Total Returns for 6 months: $3,300

So, we have the following data for the calculation of the Rate of Return:

Rate of Return formula eg 1

Rate of Return =((Total Returns -Total Expenses )/Total Initial Investment )* 100

= ($3,300 – $3,000) /$2,200 X 100

Rate of Return formula eg 1.2png

Hence, the Rate of Return will be :

Rate of Return formula eg 1.3png

Example #2

Joe has invested equally in 2 securities A & B. He wishes to determine which security will promise higher returns after 2 years. Likewise, he wants to decide whether he should hold the other security or liquidate such a position.

Let us first find out returns from each security at the end of 1 year.

Return calculated for compounded interest is as below:

Below are the statisticsThe StatisticsStatistics is the science behind identifying, collecting, organizing and summarizing, analyzing, interpreting, and finally, presenting such data, either qualitative or quantitative, which helps make better and effective decisions with relevance.read more related to his investment:

Security A:

Investment: $10,000

Interest Rate: 5% paid annually, compounded basis

Term to maturity: 10 years

A = PX [1 + R/n]^(nT)

where:

  • A = Amount (or Return) after a particular period of calculation
  • P = Principal
  • R = Rate of Interest
  • n = Interest payment frequency
  • T = Period of calculation

So, the calculation of Rate of Return for Security A(A1) will be as follows –

A = PX [1 + R/n]^(nT)

Therefore, Return after 2 years for Security A (A1) = $10,000 X [(1 + 0.05)^2]

Rate of Return formula eg 2 .1png

So, Return after 2 years for Security A (A1) will be:

eg 2 png

Return after 2 years for Security A(A1)=$11,025.

Security B:

Investment: $10,000

Interest Rate: 5% paid semi-annually, compounded basis

Term to maturity: 10 years

Therefore, calculation of Return after 2 years for Security B (A2) = $10,000 X [(1 + 0.05/2)^4]

eg 2 .2png

So,Return after 2 years for Security B(A2)= $11,038.13

Analysis:

It is determined that although the returns are similar, yet Security B gives a little return. However, it is not required to completely liquidate the other position, as the difference between the two returns is minimal; as such, Joe is not harmed by holding Security A.

Example #3

Joe wants to now calculate returns after the 10th year and wants to assess his investment.

Based on the returns calculated from the compound interest formulaCompound Interest FormulaCompound Interest is the interest earned from the initial Principal & the previously accumulated Interest amount. This is also known as “Interest on Interest” & it is always higher than the Simple Interest. read more, we can calculate for 10 years as below:

So, the Calculation of Rate of Return for Security A(A1) for 10 years will be as follows –

A = PX [1 + R/n]^(nT)

Therefore,Calculation of Return for 10 years for Security A (A1) = $10,000 X [(1+ 0.05)^10]

Examples= 3

So, Return for 10 years for Security A (A1) for 10 years will be:

Rate of Return eg 3.1 png

Return for 10 years for Security A (A1)=  $16,288.95.

Therefore,Return after 10 years for Security B (A2) = $10,000 X  [(1 + 0.05/2)^20]

Rate of Return eg 3.2 png

Return after 10 years for Security B(A2)= $16,386.16

Relevance and Use

  • Every investor is exposed to risk and returns. The returns offered by an avenue may or may not be the actual returns over a period of time on the riskiness of the asset in markets. Hence it is extremely important to understand the actual rate of return for the investment.
  • It helps in capital budgeting decisions. It helps in identifying whether investing in a particular project is beneficial over a period of time and choose between options by comparing and identifying the best venture.
  • It suggests the trends prevalent in the market and sometimes may even suggest futuristic views.
  • A rate of Return is a simple calculation of suggestive investment for particular gains. One can make tweaks in their inputs and try to understand the amount to invest in order to earn particular returns.
  • It is used to compare different investments and understand the background of such investment or benefits of the same.
  • It gives the financial standing of the respective individual or firm as a whole.

Conclusion

The rate of return forms a pivotal terminology for all the analyses related to investments and their returns. It helps in various ways, as we have seen above, however, only when calculated right. Although it seems like a simple formula, it gives results that are required for making some major decisions – be it in finances or other return related decisions. Hence, it is very important to arrive at the accurate calculation, as it forms the basis of entire investments, future planning, and other economic-related decisions.

Recommended Articles

This has been a guide to the Rate of Return and its definition. Here we discuss how to calculate the rate of return using its formula along with practical examples and downloadable excel templates. You may learn more about Financial Analysis from the following articles –

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