This is the website of the Option Clearing Corporation, the largest clearing organization in the world. This organization was the first clearing house to receive an “AAA” credit rating from Standard & Poor’s Corporation. With over 35 years of experience, OCC It’s the largest equity derivatives clearing organization dedicated to promoting stability and financial integrity. They aim to serve their community marketplaces by focusing on sound risk management principles. Through this site, the organization aims to reach you, the customer and payer, and offer a wide array of online services for practical and effective operations. Those you will find within the Products and Services section. Other site’s features include much OCC institutional information as well as a Press Room and a Publications section. OCC operates as an industry utility and receives most of its revenue from clearing fees charged to its members. It offers volume discounts on fees and, as applicable, refund excess fees to its clearing members.