FTB-C000235 / Financial concept

High-Low Breadth

High-Low Breadth describes market participation using counts or transformations of securities making new highs and new lows.

Also known asnew-high/new-low breadth

Intermediate 2 linked topicsPublished

Definitions

In plain terms

It asks whether strength or weakness is broadly shared across the eligible universe.

Technical

A complete measure declares universe, price basis, observation window, counts, normalization, timestamp, and edge-case policy.

Scope

It is a family of measures, not one universally fixed formula.

Examples

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

Common misconceptions

  • It is a family of measures, not one universally fixed formula.

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-A01 Important
  • D04-F03-A03 Important

Evidence and governance

  1. High-Low Index StockCharts ChartSchool · secondary methodology

    Supports: preferred label, short definition, technical definition

    Limits: Examples are educational and provider-specific; they do not prescribe a universal universe, lookback, or trading rule.

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.