FTB-C000290 / Financial concept

Doji

Doji is a candle whose open and close are equal or sufficiently close under a declared body-size rule.

Also known asdoji candle

Intermediate 2 linked topicsPublished

Definitions

In plain terms

Its small body indicates little net open-to-close displacement even when the total range is large.

Technical

A detector must define the body metric, reference scale, threshold, equality, bar readiness, and zero-range policy.

Scope

Doji is not one universal numeric threshold and is not automatically a reversal.

Examples

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

Common misconceptions

  • Doji is not one universal numeric threshold and is not automatically a reversal.

Concept relationships

Prerequisites

Related

Where this concept is used

Tutorials planned

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

  • D06-F01-A01 Mentioned
  • D06-F01-A02 Important

Evidence and governance

  1. TA-Lib Global Candle Settings TA-Lib · first party technical publication

    Supports: preferred label, short definition, technical definition

    Limits: TA-Lib defaults are library conventions and do not establish universal definitions for small or large candle bodies.

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.