Extends FIX 4.4 to carry the data required for OATS Phase III reporting, including whether an order was received manually, customer-directed venue selection, the department that […]

This document formalises extensions that had been missed, overlooked or unofficially incorporated during the FIA Extensions 1.0 and 1.1 work. Its stated scope is listed-derivatives post-trade […]

This is a narrowly scoped Reg NMS enhancement for block orders. It addresses the case where a broker-dealer routes Intermarket Sweep Orders against protected quotations while […]

This proposal expands FIX allocation and trade-capture support for post-trade processing by CME, NYMEX, NYBOT and the Clearing Corporation. It revises Allocation Instruction and the Trade […]

This proposal extends FIX to support exchange-traded options back-office processing. It revises position, trade-capture, assignment, market-data and security-reference messages, and adds report structures for contrary exercise […]

This proposal adapts the FIX 4.4 Cross Order model for CME’s exchange-based cross-order submission process. It revises New Order Cross, both cross-order cancellation messages and Execution […]

This proposal standardises how algorithmic-strategy parameters are carried in FIX. FIX 4.4 provided TargetStrategy, TargetStrategyParameters and ParticipationRate, but firms were creating custom tags as strategy definitions […]

Consolidates minor approved corrections to FIX 4.4 rather than introducing new functionality. It adds Security Locate ID to PartySubIDType, adds SettlCurrency to Settlement Instruction and Settlement […]

This extension aligns the session layer messages in the Orchestra representation of FIX Latest with the FIX Session Layer Technical Standard.

This extension makes corrections and removes inconsistencies in the Orchestra XML representation of FIX 4.4.

This extension makes corrections and removes inconsistencies in the Orchestra XML representation of FIX 4.2. Revision History 2026/09/21 – Visualized correction of message names (NewOrderSingle, NewOrderList) […]

This extension adds the ability to distinguish regular orders from those related to IPOs and ABOs.