Your acceptance of all cookies will permit robust site functionality. If you don't allow cookies, some features and functionality of OCC's site may not operate as expected. If you do not choose either cookie setting for our site, or if you close this window, this message will continue to display on each page you visit. Cookie settings can be controlled in your Internet browser to automatically reject some forms of cookies. For more details on cookies this site uses, see our OCC Site Cookies page. In addition to using cookies, we retain other information, including your Internet Protocol (IP) address, for the purposes listed in the Privacy Policy.

DDS & Inbound FIXML Reference Overview

The following Data Distribution Service (DDS) Reference Materials provide the information and tools necessary to implement OCC's data service facility.

  • The DDS Overview and Implementation document provides information about the design concepts and the data delivery services being used by OCC.
  • The DDS Guides provide transmission layouts, message structures, and FIXML elements for each transmission.
  • The FIXML Schema Definition (XSD) files are the FIXML base components and extensions necessary to implement the data service.
  • The DDS Recipient Setup Guide provides high level information to enable a recipient to start establishing MQ/NDM/SFTP connectivity to OCC to receive DDS transmissions.

DDS Reference
Inbound FIXML Reference

This web site discusses exchange-traded options issued by The Options Clearing Corporation. No statement in this web site is to be construed as an endorsement, recommendation or solicitation to purchase or sell a security, or to provide investment advice. Options involve risk and are not suitable for all investors. Prior to buying or selling an option, a person must receive a copy of the disclosure document, Characteristics and Risks of Standardized Options. Individuals should not enter into option transactions until they have read and understood this document. To obtain copies, contact your broker, any exchange on which options are traded, or The Options Clearing Corporation, 125 S. Franklin Street, Suite 1200, Chicago, IL 60606 ([email protected]).