Definitions
In plain terms
Both sides expand, so the directional-movement system assigns only the strictly larger expansion.
Technical
Detection freezes strictness, tie policy, finalized bars, consecutive ordering, and adjustment basis.
Scope
An outside bar does not automatically create both positive and negative DM.
Examples
- A governed lesson calculates or identifies Outside Bar only after its parameters, state, timing, and edge cases are declared.
Common misconceptions
- An outside bar does not automatically create both positive and negative DM.
Concept relationships
Prerequisites
Where this concept is used
Evidence and governance
- TA-Lib Directional Movement Index Implementation TA-Lib · first party technical publication
Supports: preferred label, short definition, technical definition
Limits: Zero-denominator and compatibility behavior can differ from the Fintech Builder package and must be stated explicitly.
- Reviewed by
- fintech-builder-batch-007
- 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.