This document outlines extensions to the existing Quote and Quote Request messages that are part of FIX 4.1. It is proposed that the Quote Message be extended to support multiple sets of quotes.

This document proposes new fields to support "blocking and targeting" messages to multiple counterparties.

Extensions to FIX 4.1 to support Japanese business.

This document outlines a set of messages for displaying real-time market/book data.

This document details the changes made to FIX to comply with Regulation NMS and includes links to the Reg NMS proposals.

This document outlines a set of messages for the definition of financial securities and communication on the status of securities. These securities can be simple or can be complex, multi-legged instruments. The Security Message is intended to handle a wide variety of instruments including FLEX style options, OTC derivatives, as well as, complex, multi-leg financial Securities, such as, options strategies, futures spreads, and baskets.