FIX 4.3 Specification (Original release--Replaced by 4.3 Spec with Errata)

THIS RELEASE HAS BEEN REPLACED BY FIX 4.3 Specification document with Errata 20020920

ZIP file includes 7 volumes and Release Notes.

Major changes in FIX 4.3 include:

  • Reorganization of the specification into 7 volumes (see VOLUME INDEX in Volume 1)
  • Documentation represents dual syntax consisting of traditional "tag-equals-value" and XML-based FIXML
  • Fixed Income product support
  • Collective Investment Vehicles (CIV) product (Mutual Funds, Unit Trusts, etc) support
  • Enhanced support for Derivatives products
  • Expanded support for Cross orders
  • Support for swaps and multi-leg instrument orders
  • "Streetside" trade capture reporting (e.g. sellside to DTC in U.S.)
  • Enhancements to security and trading session definition and requests
  • Additional support for Asia/Pacific and Japanese requirements

Access to the Specification Documents: FIX Protocol Limited ("FPL") publishes the FIX Protocol specifications in Microsoft Word (".doc" or "DOC") and Portable Document Format (".pdf" or "PDF"). Any registered user of the FPL website may access the PDF version. Registration is free. Site users must be logged in to access specifications in either format.

OVERVIEW

FAQ (Frequently Asked Questions) regarding the FIX 4.3 Release
FIX-4.3-FAQ.html • 19KB •
24 August 2001
HTML 20KB
Original (Aug 24, 2001) FIX 4.3 Specification Release Notes Only
FIX_4.3_Release_Notes.pdf • 120KB •
24 August 2001