FTB-C000599 / Implementation concept

ZigZag Provisional Endpoint

ZigZag Provisional Endpoint is the newest unconfirmed extreme that may move as new closes arrive.

Also known asrepaintable endpointprovisional endpoint

Intermediate 1 linked topicEvidence-reviewed

Definitions

In plain terms

The endpoint is useful for describing current state but is not a locked pivot.

Technical

The provisional index and price are mutable until an inclusive opposite reversal and minimum bar condition confirm the swing.

Scope

Treating the endpoint as final creates hindsight labels and false backtest availability.

Examples

  • A reviewer computes ZigZag Provisional Endpoint on a small deterministic fixture and checks timing, units, and boundary behavior before publication.

Common misconceptions

  • Treating the endpoint as final creates hindsight labels and false backtest availability.

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.

  • D08-F01-A02 Important

Evidence and governance

  1. LEAN ZigZag source QuantConnect · first party technical publication

    Supports: preferred label, short definition, technical definition

    Limits: A maintained implementation is evidence for one convention, not a universal market rule.

  2. Pine Script repainting concepts TradingView · official platform documentation

    Supports: preferred label, short definition, technical definition

    Limits: Platform display behavior does not establish financial usefulness or predictive value.

  3. Closing Price Investor.gov · official standard

    Supports: preferred label, short definition, technical definition

    Limits: A close is not automatically an adjusted close and may vary by market session convention.

Reviewed by
fintech-builder-batch-011
Last reviewed
2026-08-09
Next review
2027-08-09
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.

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.