A complicated investment to begin with, structured notes have grown more complex the last few years and are best to be avoided. They commonly claim to limit instability in a down market. A debt instrument whose return hinges on the price movements of other assets, such as, commodities and stocks. These notes aren’t backed by any collateral and often come with substantial fees. They are purchased through a bank or third party. A knowledgeable financial adviser doesn’t offer structured notes to their clients, because of their complexity and liquidity issues.