The article compares portfolios of real options with portfolios of financial options. Real options are different ways to make decisions about investments, like expanding or abandoning them based on market changes. These options can be managed like financial assets. The main goal is to show how real options are different from financial options. The researchers explain what real options are, classify basic options, and compare them to traditional financial portfolios. The key finding is that managing portfolios of real options requires a different approach than managing financial portfolios.