FTB-C000016 / Formula component

Net Up-Down Volume

Net Up-Down Volume is Up Volume minus Down Volume for one validated session.

Also known asup-volume minus down-volumevolume breadth input

Intermediate Formula defined 3 linked topicsPublished

Definitions

In plain terms

This measure compares how much reported share volume was allocated to advancing issues with how much was allocated to declining issues.

Technical

For Up Volume UV and Down Volume DV expressed on one stable unit and adjustment basis, the signed input is v = UV - DV and retains the reported volume unit.

Scope

This is raw volume breadth rather than an equal-vote issue count or a ratio-adjusted volume measure.

Formula

v = UV - DV
LaTeX: v_t = UV_t - DV_t
SymbolMeaningUnit
v_tNet Up-Down Volume for session treported shares
UV_tUp Volume for session treported shares
DV_tDown Volume for session treported shares

Output unit: reported shares

Examples

  • With 8.2 million shares of Up Volume and 6.7 million of Down Volume, the result is 1.5 million shares.

Common misconceptions

  • Net Up-Down Volume is not Net Advances multiplied by average volume.

Concept relationships

Prerequisites

Broader concepts

Contrasts with

Derived from

Where this concept is used

Evidence and governance

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

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