FTB-C000227 / Indicator

High-Low Ratio

High-Low Ratio compares the number of new highs with the number of new lows by division.

Also known asnew-high/new-low ratio

Intermediate Formula defined 2 linked topicsEvidence-reviewed

Definitions

In plain terms

A value above one means the new-high count exceeds the new-low count, when the denominator is positive.

Technical

The implementation must declare the denominator-zero policy and keep this NH/NL variant distinct from NH/(NH+NL).

Scope

It is not the percentage-style High-Low Index.

Formula

High-low ratio = NH / NL
LaTeX: HLR=NH/NL
SymbolMeaningUnit
NHnew-high issuesissues
NLnew-low issuesissues

Output unit: ratio

Examples

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

Common misconceptions

  • It is not the percentage-style High-Low Index.

Concept relationships

Prerequisites

Related

Where this concept is used

Evidence and governance

  1. High-Low Index StockCharts ChartSchool · secondary methodology

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

    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
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.