FTB-C000255 / Indicator

Upside/Downside Volume Ratio

Upside/Downside Volume Ratio is advancing or upside volume divided by declining or downside volume.

Also known asup/down volume ratio

Intermediate Formula defined 2 linked topicsPublished

Definitions

In plain terms

It compares the amount traded in advancing issues with the amount traded in declining issues.

Technical

The measure requires a single volume basis, aligned universe and session, classification policy, and denominator-zero handling.

Scope

It is a volume ratio, not an issue-count ratio.

Formula

Up/down volume ratio = UV / DV
LaTeX: UDVR=\frac{UV}{DV}
SymbolMeaningUnit
UVup volumeshares or contracts
DVdown volumeshares or contracts

Output unit: ratio

Examples

  • A Fintech Builder lesson can compute or identify Upside/Downside Volume Ratio only after declaring its inputs, timing, and edge-case rules.

Common misconceptions

  • It is a volume ratio, not an issue-count ratio.

Concept relationships

Prerequisites

Related

Where this concept is used

Evidence and governance

  1. Arms Index (TRIN) StockCharts ChartSchool · secondary methodology

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

    Limits: Interpretive levels are market- and period-dependent; zero denominators and feed coverage require explicit policy.

Reviewed by
fintech-builder-batch-005
Last reviewed
2026-07-27
Next review
2027-07-27
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.