FTB-C000254 / Formula component

Advance-Decline Issue Ratio

Advance-Decline Issue Ratio is the number of advancing issues divided by the number of declining issues.

Also known asA/D ratio

Foundation Formula defined 1 linked topicEvidence-reviewed

Definitions

In plain terms

It compares how many securities rose with how many fell in the same universe and session.

Technical

The ratio requires aligned classifications and an explicit policy when declining issues equal zero.

Scope

It differs from advances divided by all moving issues.

Formula

Advance-decline issue ratio = A / D
LaTeX: ADR=\frac{A}{D}
SymbolMeaningUnit
Aadvancing issuesissues
Ddeclining issuesissues

Output unit: ratio

Examples

  • A Fintech Builder lesson can compute or identify Advance-Decline Issue Ratio only after declaring its inputs, timing, and edge-case rules.

Common misconceptions

  • It differs from advances divided by all moving issues.

Concept relationships

Prerequisites

Related

Where this concept is used

Evidence and governance

  1. Advance-Decline Ratio Nasdaq · official exchange

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

    Limits: The glossary definition does not define a complete production data contract or denominator-zero 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.