Resumen en español

This article being the first of a serie of articles, treats the very general aspects of Financial Derivatives Market. Explains the division in Stock Excahnge and OTC Market. It is focused on the study of the main issues identified under the current financial crisis. Then, to explain the basic of the most commonly used derivatives transactions. To follow with the structure of the ISDA Master Agreement, its features regarding legal risk and the pending topics not covered.