The ROI calculator below can show you the return on your past investments, as well as projected investment returns. You can use it to measure annual returns to see whether certain holdings or projects ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Return on investment (ROI) measures the amount of ...

ROI is an important measure of an investment's performance but it has some drawbacks. Andrew Beattie was part of the original editorial team at Investopedia and has spent twenty years writing on a ...

In order to make an educated decision when making any investment, you need to try to determine how much you could make on that investment. It’s also important to know how much you’ve made on the ...