FTB-C000243 / Indicator

20-Day Breadth

20-Day Breadth is percent-above-moving-average breadth calculated with a 20-session moving average.

Also known aspercent above 20-day MA

Intermediate 1 linked topicPublished

Definitions

In plain terms

It summarizes short-horizon trend participation across the eligible universe.

Technical

The implementation inherits the percent-above-MA contract and fixes the lookback at 20 declared sessions.

Scope

Twenty sessions are not exactly one calendar month in every market.

Examples

  • A Fintech Builder lesson can compute or identify 20-Day Breadth only after declaring its inputs, timing, and edge-case rules.

Common misconceptions

  • Twenty sessions are not exactly one calendar month in every market.

Concept relationships

Prerequisites

Broader concepts

Related

Where this concept is used

Tutorials planned

These catalogued topics use this concept, but their complete build has not shipped yet.

  • D04-F03-A04 Primary

Evidence and governance

  1. Percent Above Moving Average StockCharts ChartSchool · secondary methodology

    Supports: preferred label, short definition, technical definition

    Limits: Threshold interpretation and universe composition are contextual and must not be treated as guaranteed signals.

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.