FTB-C000060 / Financial concept

Trading Session

A trading session is a venue-defined period during which specified market activities are scheduled to occur.

Also known asmarket sessionsession

Foundation 6 linked topicsPublished

Definitions

In plain terms

Pre-market, core trading, auctions, and after-hours periods can follow different rules, so a dataset should name the session it includes.

Technical

A session definition combines venue, product, local time zone, open and close boundaries, auctions, breaks, holiday overrides, and rule-version provenance.

Scope

There is no single global regular session, and scheduled hours do not prove that every instrument traded.

Examples

  • A governed dataset records trading session explicitly instead of inferring it from an ambiguous field.

Common misconceptions

  • Trading Session does not have one universal meaning without its stated market, source, and time context.

Concept relationships

Prerequisites

Related

Required by

Where this concept is used

Tutorials planned

These catalogued topics use this concept, but their complete build has not shipped yet.

  • D01-F01-A01 Important
  • D01-F01-A02 Important
  • D01-F01-A07 Important
  • D01-F02-A04 Important
  • D01-F03-A04 Important
  • D01-F04-A01 Important

Evidence and governance

  1. NYSE Trading Hours and Calendars New York Stock Exchange · official exchange

    Supports: preferred label, short definition, technical definition

    Limits: Hours vary by venue, product, date, rule version, and exceptional notice; they are not a universal calendar.

  2. Fintech Builder Glossary Definition Contract The Fintech Builder · internal governed contract

    Supports: variant distinction

    Limits: Defines governed platform behavior rather than claiming these policies are universally prescribed by external McClellan methodology.

Reviewed by
Last reviewed
2026-07-26
Next review
2027-07-26
Record status
published
Written by

Fintech engineer building market-data and financial systems, and the author of every article, glossary record, and reference implementation on The Fintech Builder.