generated: '2026-08-04'
method: searched
source: http://iqx.imperativex.com/IntelligentCrossMarketDataFeedSpec.v.1.11.pdf
summary: 'IntelligentCross does not publish a rolling API changelog page. It versions
  its market data specifications as documents and carries a dated Revision History table
  inside each one. The entries below are transcribed verbatim from the Revision History
  of the IntelligentCross Market Data Feed Specification v1.11 (current published version,
  updated July 30, 2020). Company and venue announcements are published separately on
  the News page.'
scheme: document-version
current_version: '1.11'
current_version_date: '2020-07-30'
artifact: IntelligentCross Market Data Feed Specification
docs: https://www.imperativex.com/market-data
related_documents:
- name: IntelligentCross IQX Market Data Rerequest Specification
  version: '1.08'
  url: https://cdn.prod.website-files.com/5ee92e3bd6214065dc7f2d48/61dc6cb50403bf15350ea647_IntelligentCross%20IQX%20Market%20Data%20Rerequest%20Specification%20v1.08.pdf
news_feed: https://www.imperativex.com/news
entries:
- version: '1.11'
  date: '2020-07-30'
  breaking: false
  highlights:
  - Update logos and copyright.
- version: '1.10'
  date: '2019-11-04'
  breaking: false
  highlights:
  - Added additional Network details for new books.
- version: '1.09'
  date: '2019-10-18'
  breaking: false
  highlights:
  - Noted that TradeBreak is reserved for future use.
- version: '1.08'
  date: '2019-10-08'
  breaking: false
  highlights:
  - Added a fuller description of the price field.
- version: '1.07'
  date: '2019-09-17'
  breaking: false
  highlights:
  - Corrected format of symbol mapping files. They are in pipe delimited format.
- version: '1.06'
  date: '2019-08-07'
  breaking: false
  highlights:
  - Added URL to download symbol mapping files.
- version: '1.05'
  date: '2019-07-08'
  breaking: false
  highlights:
  - Noted that OrderUpdated is reserved for future use.
- version: '1.04'
  date: '2019-07-02'
  breaking: true
  highlights:
  - Increased Symbol fields to 11 characters.
  - Expanded list of example suffixes.
  note: Widening a fixed-offset binary field changes downstream offsets, so this revision
    is a wire-format change for decoders.
- version: '1.03'
  date: '2019-06-20'
  breaking: false
  highlights:
  - Clarified when Order Update sent.
  - Minor formatting updates.
  - Added multicast group info.
- version: '1.02'
  date: '2019-06-12'
  breaking: false
  highlights:
  - Add information on Order ID and FIX Order Ack.
- version: '1.01'
  date: '2019-05-20'
  breaking: false
  highlights:
  - Initial Revision.
x-evidence:
- fetched: '2026-08-04'
  url: http://iqx.imperativex.com/IntelligentCrossMarketDataFeedSpec.v.1.11.pdf
  http_status: 200
  content_type: application/pdf
  section: Revision History (page 17)