FTB-C000351 / Formula component

PPO Signal Line

PPO Signal Line is an exponential moving average of valid PPO line observations.

Also known asPPO signal

Intermediate Formula defined 1 linked topicPublished

Definitions

In plain terms

It creates the smoothed comparison line used by the PPO histogram and crossover events.

Technical

Its seed starts from valid PPO values and therefore has a second-stage readiness delay.

Scope

The signal line remains in percentage units and is not an independently normalized price series.

Formula

PPO signal = EMA_signal(PPO line)
LaTeX: Q_t=EMA_q(P)_t
SymbolMeaningUnit
PPPO line seriespercent
qsignal EMA periodobservations

Output unit: percent

Examples

  • A governed lesson calculates or identifies PPO Signal Line only after its parameters, state, timing, and edge cases are declared.

Common misconceptions

  • The signal line remains in percentage units and is not an independently normalized price series.

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.

  • D07-F02-A02 Important

Evidence and governance

  1. Percentage Price Oscillator TA-Lib · first party technical publication

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

    Limits: Moving-average type, denominator-zero handling, signal line, and histogram must be frozen by the consuming methodology.

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.