The primary trade association for participants in the over-the-counter (OTC) derivatives (www.practicallaw.com/2-386-2448) market. Chartered in 1985, the organization was originally known as the International Swaps Dealers Association. Today ISDA has more than 830 member institutions from 57 countries. Members include major financial institutions, private businesses, government entities, law firms and other interested parties. ISDA is the publisher of the ISDA Master Agreement (www.practicallaw.com/1-386-5188).