How Much Am I Making? Investment Income Simplified

Matt McDonough
2 min readMar 1, 2022

Investing your hard-earned money is an incredible opportunity. Passive income allows you to build wealth over time and ultimately gain the financial freedom to live life on your terms. However, before you get there you need to know exactly how much money you are making on your investments.

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Finance Like an Adult

Simple solutions are the best option to solve complex problems. Calculating investment income sounds complicated, but the math is relatively straightforward. Simple tricks on your computer can help you know your unrealized and realized passive investment income in real time.

If you want to start with a high-level summary, please skip to the end and read the 50 Word Takeaway before continuing.

The Math Is Not That Scary

Calculating investment income is a simple calculation:

Investment Income = Fair Value minus Basis

The first component of the calculation, fair value, is what your investment is currently worth on the market. The second component, your basis is the amount invested minus the amount withdrawn.

Depending on your investing and withdrawal activity, each investment you hold will have a separate basis.

The Two Types of Investment Income

Once you know and capture the components of your investment income calculation, you need to know about the two types of investment income:

1. Unrealized Investment Income

Unrealized investment income is earned prior to you selling the underlying investment. This type of investment income is not guaranteed, the value of your investment can still change prior to you selling.

2. Realized Investment Income

Realized investment income is earned when you sell an investment. At the time of the sale, the value of the investment becomes final. Now that the fair value of your investment is confirmed, you can calculate the final amount of investment income earned on that investment.

Takeaway: In 50 Words or Less

Investment income equals the investment’s fair value minus your basis. Depending on your activity, each investment will have a separate basis. The first type of investment income is unrealized, which is generated while you hold the investment. The second is realized income, which is earned when you sell your investment.

Please reach out to in50orless@gmail.com with any questions or suggestions for other personal finance topics to cover.

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Matt McDonough

Hello! I am a CPA by day, writer by night, and adventurer on the weekends. I’m on the lookout for fun ideas to read, please send anything interesting my way!