Financial derivatives are assets that have their value under other asset as a reference. These derivatives are subdivided into subcategories and the main ones are: forward contracts, futures contracts, options contracts and swap. Each type of derivative has a specific focus, depending on the need of each investor. However, all kinds of derivatives have one point in common, the protection of the value of their capital. In this work, we will analyze how each of these derivatives markets work, with emphasis on the swap and hedge strategies in profitability exchange in interest rate and currency swap.