A structured product is a pre-packaged investment strategy often involving derivatives and fixed-income securities to offer a combination of protection and growth potential.

Principal-Protected Note (PPN) : A PPN is a common type of structured product that guarantees the return of the original investment (principal) at maturity while offering potential upside linked to the performance of an underlying asset or index.

Why Other Options Are Incorrect :

A. A mortgage loan : This is a form of debt, not a structured product.

C. An equity index : An index tracks the performance of a market but is not a structured product itself.

D. A credit card receivable : This is a financial asset used in securitization, not a structured product.