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

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.