FTB-C000015 / Market data field

Total Volume

Total Volume is the reported trading volume for a declared market scope and session.

Also known asreported total volume

Definitions

In plain terms

Total Volume counts the reported shares traded within the selected venue or feed scope, using one consistent unit and adjustment policy.

Technical

In the pilot volume contract, Total Volume is positive and must equal Up Volume plus Down Volume plus Unchanged Volume under one series identity and adjustment basis.

Scope

Total Volume is provider- and scope-dependent; figures from different venues, units, or adjustment bases must not be mixed into one series.

Examples

  • Eight million up, six million down, and one million unchanged shares reconcile to 15 million Total Volume.

Common misconceptions

  • Total Volume from one exchange is not automatically equal to consolidated market volume.

Concept relationships

Where this concept is used

Evidence and governance

  1. Daily Market Summary Data Fields and Definitions Nasdaq, Inc. · official exchange

    Supports: preferred label, short definition, technical definition, units

    Limits: Does not define the pilot's exhaustive partition, causal cutoff, revision lineage, EMA policy, or normalized breadth formula.

  2. A Subtle Message in the Volume Summation Index McClellan Financial Publications · first party technical publication

    Supports: variant distinction

    Limits: The article's market interpretation is excluded as evidence of forecasting, causation, thresholds, or profitable trading behavior.

Reviewed by
fintech-builder-owner-approved
Last reviewed
2026-07-26
Next review
2027-07-26
Record status
published