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November 9, 2026

EP022 – OMX Order Routing

A large, foundational OMX/NOREX order-routing gap analysis. It addresses targeted hit/take orders, counterparty restrictions, auction-imbalance orders, reserve/display instructions, execution increments, price-level limits, price protection, anonymity, pegging […]
November 9, 2026

EP021 – FX FIX Gap Analysis

Defines the Phase 1 FIX workflow and field model for FX price discovery, orders, executions and limited trade capture. It distinguishes one-off quotes from streaming prices, […]
November 9, 2026

EP019 – FIA Extensions PartyRole Extension

This proposal adds PartyRole enumerations for Trader Pneumonic, Site Location ID and Session ID. The information is needed on cleared trade confirmations so that clearing firms […]
November 9, 2026

EP018 – User Defined Spreads

Extends FIX support for User Defined Spreads and Covered Spreads. A participant submits the legs of a proposed strategy in a Security Definition Request; if accepted, […]
November 9, 2026

EP017 – Allocations for Options

Extends the allocation workflow so open/close disposition can be represented for both parties to a give-up. The original PositionEffect identifies the effect for the party giving […]
November 9, 2026

EP016 – ServicePacks and Versioning

Defines the service-pack and application-versioning model introduced with FIX 5.0. It separates the FIX application layer from the FIX session layer, identifies the session using FIXT.1.1, […]
November 9, 2026

EP015 – FIXFpML

Defines two methods for referring to an FpML product specification from a FIX Instrument. The first embeds the FpML XML in EncodedSecurityDesc, using SecurityIDSource to identify […]
November 9, 2026

EP014 – External Routing

Adds two ExecInst values, External Routing Allowed and External Routing Not Allowed, enabling a customer to override a receiving market’s default external-routing treatment where the market […]
November 9, 2026

EP013 – FIA Large Trader Position

Adapts Position Maintenance Request for regulatory large-trader position submissions in FIXML. It introduces a Large Trader Submission transaction type, a Large Trader Reportable Account party role, […]
November 9, 2026

EP012 – Collateral Messaging

Adapts FIXML collateral messaging to the listed-derivatives clearing model. Unlike repo collateral tied to individual transactions, listed-derivatives collateral is generally managed against portfolio-level margin requirements. The […]
November 9, 2026

EP011 – Trade Identification Standards 1.1

Establishes a standard trade-identification model linking executions, trades, allocations and clearing records. Introduces TradeID, SecondaryTradeID, FirmTradeID and SecondaryFirmTradeID, deprecates SecondaryTradeReportID fields, and standardises how Trade Capture […]
November 9, 2026

EP010 – Execution Acknowledgement

Proposes an optional Execution Acknowledgement message through which an initiator or buy-side firm can explicitly accept or reject execution details received in an Execution Report. It […]
EP010 – Execution Acknowledgement
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