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 / DVUDVR=\frac{UV}{DV}| Symbol | Meaning | Unit |
|---|---|---|
UV | up volume | shares or contracts |
DV | down volume | shares 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
- 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
- evidence reviewed
This record is evidence-reviewed and readable, but not yet promoted to published — it is served noindex,follow and excluded from the sitemap.