Portfolio Return Formula

Formula to Calculate the Return of Total Portfolio

Portfolio return formula is used in order to calculate the return of the total portfolio consisting of the different individual assets where according to the formula portfolio return is calculated by calculating return on investment earned on individual asset multiplied with their respective weight class in the total portfolio and adding all the resultants together.

Portfolio return can be defined as the sum of the product of investment returns earned on the individual asset with the weight class of that individual asset in the entire portfolio. It represents a return on the portfolio and just not on an individual asset.

The expected return can be calculated with a product of potential outcomes (i.e., returns which is represented by r in below) by the weights of each asset in the portfolio (i.e., represented by w), and after that calculating the sum of those results.

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For eg:
Source: Portfolio Return Formula (wallstreetmojo.com)

Where  ∑ⁿ_i=1 w_i = 1

• w is the weight of each asset
• r is the return of an asset

Calculation of Portfolio Return (Step by Step)

Examples

Example #1

Consider ABC Ltd, an asset management companyAsset Management Companyset Management Company is a company that takes the financial assets of a person, company or another asset management company (generally this will be high net worth individuals) and use the assets to invest in companies that use those as a operational investment, financial investment or any other investment in order to grow the investment.read more, has invested in 2 different assets along with their return earned last year. You are required to earn a portfolio return.

Solution:

We are given the individual asset return and along with that investment amount, therefore first we will find out the weights as follows,

• Weight (Asset Class 1) = 1,00,000.00 / 1,50,000.00 =0.67

Similarly, we have calculated the weight of Asset Class 2

• Weight (Asset Class 1) = 50,000.00 / 1,50,000.00 =0.33

Now for the calculation of portfolio return, we need to multiply weights with the return of the asset, and then we will sum up those returns.

• W_iR_i (Asset Class 1) = 0.67*10% =6.67%

similarly, we have calculated W_iR_i for Asset class 2

• W_iR_i (Asset Class 2) = 0.33*11%
• =3.67%

Calculation of portfolio return is as follows,

Portfolio Return

The portfolio return will be 10.33%

Example #2

JP Morgan chase, one of the largest investment banking firms, has made several investments in various asset classes. Mr. Dimon, the company chairman, is interested in knowing the returns on the overall investment done by the firm. You are required to calculate the Portfolio Return.

Solution:

We are here only given the latest market value, and there are no returns given directly. Hence, first, we need to calculate return on individual assets.

We need to subtract the investment amount from market value to arrive at excess return, and then dividing the same by investment amount will yield our returns on the individual asset.

Note: For detailed calculation, please refer to the excel template.

We now have the individual asset return and along with that investment amount and now we will find out the weights using investment amount and not the market value as follows,

Weight of Equities = 300000000 / 756500000 = 0.3966

Similarly, we have calculated the weight of all the other particulars.

Now for the calculation of portfolio return, we need to multiply weights with the return of the asset, and then we will sum up those returns.

Calculation of portfolio return is as follows,

Portfolio Return

Hence the portfolio return earned by JP Morgan is 21.57%

Example #3

Gautam is an individual who has recently started investing in the market. He has invested in XYZ stock for 100,000, and it has been a year and since then, he has received a dividend of 5,000, and the current market value of XYZ stock is trading at a premium of 10%. Also, he has invested in a fixed deposit for 20,000, and the Bank provides a 7% return on it. And lastly, he has invested in land in his hometown for 500,000, and the current market value is 700,000. He has approached you to calculate portfolio return.

Solution:

We are here only given the latest market value, and there are no returns given directly. Hence, first, we need to calculate return on individual assets.

We need to subtract the investment amount from market value to arrive at excess return, and then dividing the same by investment amount will yield our returns on the individual asset.

Note: For detailed Calculations, please refer to the excel template.

We now have the individual asset return and along with that investment amount, and now we will find out the weights using investment amount and not the market value.

• Weight (XYZ Stock) = 1,00,000 / 6,20,000 = 0.1613

Similarly, we have calculated the weight for other particulars as well.

Now for the calculation of portfolio return, we need to multiply weights with the return of the asset, and then we will sum up those returns.

(XYZ Stock) W_iR_i = 0.15 * 0.1613 = 2.42%

Similarly, we calculated W_iR_i for other particular as well.

Calculation of portfolio return is as follows,

Portfolio Return

Hence the portfolio return earned by Mr. Gautam is 35.00%

Relevance and Use

It is crucial to understand the concept of the portfolio’s expected return formula as the same will be used by those investors so that they can anticipate the gain or the loss that can happen on the funds that are invested by them. Based on that expected return formulaExpected Return FormulaThe Expected Return formula is determined by applying all the Investments portfolio weights with their respective returns and doing the total of results. Expected return = (p1 * r1) + (p2 * r2) + ………… + (pn * rn), where, pi = Probability of each return and ri = Rate of return with probability. read more, an investor can make a decision as to invest in an asset given their probable returns.

Further, an investor will also be able to decide on the asset’s weight in a portfolio i.e., what proportion of the funds should be invested and then do the required change.

Also, an investor can make use of the expected return formula for ranking the individual asset and further eventually can invest the funds per the ranking and then finally include them in his portfolio. In other words, he would increase the weight of that asset class whose expected return is higher.

Recommended Articles

This has been a guide to Portfolio Return Formula. Here we discuss how to calculate the return of the total portfolio using its formula along with examples and a downloadable excel template. You can learn more about financial analysis from the following articles –

• Formula for Rate of Return
• Rate of Return
• Abnormal Return Definition
• Cash Surrender Value