FTB-C000321 / Formula component

EMA of EMA

EMA of EMA is an exponential moving average whose input is another EMA series.

Also known assecond-order EMA

Intermediate 2 linked topicsPublished

Definitions

In plain terms

It forms the second smoothing stage used by DEMA and TEMA.

Technical

The second stage cannot start until its input EMA is ready, and it inherits alpha, seed, missing-data, ordering, and precision policies.

Scope

It is not equivalent to applying one EMA with a doubled period.

Examples

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

Common misconceptions

  • It is not equivalent to applying one EMA with a doubled period.

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-F01-A05 Prerequisite
  • D07-F01-A06 Prerequisite

Evidence and governance

  1. Double Exponential Moving Average TA-Lib · first party technical publication

    Supports: preferred label, short definition, technical definition

    Limits: Provider lookback and unstable-period behavior must be distinguished from another implementation's warm-up policy.

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.