FTB-C000391 / Formula component

Parabolic SAR Acceleration Increment

Parabolic SAR Acceleration Increment is the amount added to the Parabolic SAR acceleration factor when a strict new favorable extreme occurs.

Also known asAF step

Intermediate 1 linked topicPublished

Definitions

In plain terms

Repeated eligible extremes raise AF until the declared maximum cap is reached.

Technical

The rule freezes increment, cap, strictness, whether multiple events can occur per bar, update order, and precision.

Scope

The increment is a parameter, not the acceleration factor's current state.

Examples

  • A governed lesson calculates or identifies Parabolic SAR Acceleration Increment only after its parameters, state, timing, and edge cases are declared.

Common misconceptions

  • The increment is a parameter, not the acceleration factor's current state.

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.

  • D07-F02-A07 Important

Evidence and governance

  1. TA-Lib Parabolic SAR Implementation TA-Lib · first party technical publication

    Supports: preferred label, short definition, technical definition

    Limits: Initial direction and extended-SAR options differ across implementations and must be declared.

Reviewed by
fintech-builder-batch-007
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.