How to calculate investment return
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Introduction
Understanding investment return is crucial for anyone looking to create wealth and achieve financial stability. It allows you to measure the performance of your investments and make informed decisions based on their potential rewards. In this article, we will discuss the various methods of calculating investment return and help you choose the best approach for your financial goals.
1. Simple Rate of Return (SRR)
The Simple Rate of Return, also known as the nominal rate of return, is a basic method for calculating returns on an investment. It does not take into consideration any compounding effect or time value of money.
Formula: SRR = (Ending Value – Beginning Value) / Beginning Value
Example: If you invested $1,000 and received $1,200 after a year, your simple rate of return would be:
SRR = ($1,200 – $1,000) / $1,000 = 0.20 or 20%
2. Annualized Rate of Return (ARR)
The Annualized Rate of Return takes into account the length of the investment period and compounds it annually. This method is more accurate than SRR as it accounts for reinvestment and compound interest.
Formula: ARR = [(Ending Value / Beginning Value) ^ (1 / Number of Years)] – 1
Example: If you invested $1,000 for two years and earned $1,440 at the end:
ARR = [($1,440 / $1,000) ^ (1 / 2)] – 1 = 0.20 or 20%
3. Compound Annual Growth Rate (CAGR)
CAGR measures the average rate at which an investment would have grown if it increased at the same annual rate over a specified period. Unlike ARR, CAGR assumes that all income is reinvested.
Formula: CAGR = [(Ending Value / Beginning Value) ^ (1 / Number of Years)] – 1
Example: If you invested $1,000 for three years and received $1,728 after that time:
CAGR = [($1,728 / $1,000) ^ (1 / 3)] – 1 = 0.20 or 20%
4. Internal Rate of Return (IRR)
The Internal Rate of Return represents the annualized return on an investment, taking into account all cash flows, such as dividends, interest payments, and investment maturity. IRR is useful for evaluating investments with varying cash flows over time.
To calculate IRR, we use a trial-and-error method or specialized financial software to determine the discount rate that makes the net present value (NPV) of cash flows equal to zero.
5. Total Return
Total return is an essential metric for investors as it comprises all possible gains from an investment, including price appreciation and income generation. This measure accounts for dividends, interest payments, capital gains, and any other income over a specified period.
Formula: Total Return = [(Ending Value + Dividends + Interest) / Beginning Value] – 1
Example: If you invested $1,000 in stocks that appreciated to $1,200 after one year and received $100 in dividends:
Total Return = [($1,200 + $100) / $1,000] – 1 = 0.30 or 30%
Conclusion
Calculating investment returns is a crucial skill for managing your portfolio and making informed decisions about your financial future. By understanding the various methods of calculating returns – such as SRR, ARR, CAGR, IRR and Total Return – you can better evaluate your investments and ensure they align with your financial goals.