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Data Layouts and Production Connectivity

The below documentation will become available to members and exchange participants in the third quarter of 2022.

Clearing and Risk Files and Documentation

Ovation System Input

  • CSV Input Guide

  • Delta Position Limits Guide for Clearing Members 

  • FIXML Input Guide 

  • Large Options Positions Reporting (LOPR) Guide for Firms 

  • Stock Loan FIXML Input Guide 

  • Stock Loan Positions CSV Input Guide 

Ovation System Output

  • DDS Collateral and Settlement Output Guide 

  • DDS Contrary Intentions Output Guide 

  • DDS Market Data Output Guide 

  • DDS On-Demand Request Output Guide 

  • DDS Overview Guide 

  • DDS Risk Based Haircuts/Customer Portfolio Margining (RBH/CPM) Output Guide 

  • DDS Trades, Positions, and E&A Output Guide 

  • DDS Stock Loan Output Guide 

Exchange Files and Documentation

Exchange participants will be able to view the options and futures record layout documentation listed below by logging into MyOCC.com.

Ovation System Input

  • CFTC Exchange Reporting Input Guide

  • Cross Margins Positions Input Guide

  • Exchange Billing Input Guide

  • Exchange Trades CSV Input Guide

  • Exchange Trades FIXML Input Guide

  • Exchange Prices Input Guide

  • Futures and Options on Futures Input Guide

  • SOSA Series Addition Guide

Ovation System Output

  • CFTC Exchange Reporting Output Guide

  • CFTC Large Trader Reporting Output Guide

  • DDS Delta Position Limits Output Guide 

  • Large Options Positions Reporting (LOPR) Guide for SROs

  • Market Maker Exchange Output Guide

  • SOSA Series Addition Guide

Production Connectivity 

  • FIXML Input Connectivity Setup Guide 

  • DDS Output Recipient Setup Guide 


View new platform testing connectivity information. View current ENCORE inbound and outbound record layouts.


All dates are subject to change.

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]).