The iPath Bloomberg Cocoa Subindex Total Return ETN (ticker: NIB) is a mutual fund that tracks the performance of the Bloomberg Cocoa Subindex, providing investors with exposure to the cocoa market. This exchange-traded note (ETN) offers a total return strategy, meaning it includes both price changes and any interest or dividends earned. NIB is designed to provide investors with a convenient and cost-effective way to invest in the cocoa market without directly owning physical cocoa assets.