FTB-C000285 / Formula component

Candle Range

Candle Range is the bar high minus the bar low for the same candlestick interval.

Also known ashigh-low range

Foundation Formula defined 3 linked topicsPublished

Definitions

In plain terms

It measures the full observed price span, including the body and both shadows.

Technical

The calculation requires consistent high and low fields, units, adjustment basis, eligibility, and finalized interval.

Scope

Range is not volatility unless a specific volatility estimator defines it as an input.

Formula

Candle range = H - L
LaTeX: R=H-L
SymbolMeaningUnit
Hbar high priceprice
Lbar low priceprice

Output unit: price

Examples

  • A governed lesson uses Candle Range only with declared inputs, timing, parameters, and edge-case behavior.

Common misconceptions

  • Range is not volatility unless a specific volatility estimator defines it as an input.

Concept relationships

Prerequisites

Related

Required by

Where this concept is used

Tutorials planned

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

  • D06-F01-A01 Important
  • D07-F04-A01 Prerequisite

Evidence and governance

  1. Chart Types: Candlestick, Line, and Bar CME Group · official exchange

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

    Limits: Display colors and pattern interpretations are conventions rather than universal predictive rules.

  2. Candlestick Chart Nasdaq · official exchange

    Supports: variant distinction

    Limits: The short glossary entry does not define bar aggregation, data corrections, thresholds, or pattern-detection rules.

Reviewed by
fintech-builder-batch-006
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.