FTB-C000447 / Formula component

Second EMA of Momentum

Second EMA of Momentum is the second, short-period EMA stage applied to the first EMA of signed momentum.

Also known asdouble-smoothed momentum

Intermediate 1 linked topicPublished

Definitions

In plain terms

It forms the signed numerator used by TSI.

Technical

The stage begins from valid first-stage values and freezes short period, seed, missing values, precision, and first-ready output.

Scope

Long and short labels describe stage parameters and must not be silently swapped.

Examples

  • A governed lesson calculates or identifies Second EMA of Momentum only after its inputs, window, state, scale, and edge cases are declared.

Common misconceptions

  • Long and short labels describe stage parameters and must not be silently swapped.

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-F03-A07 Important

Evidence and governance

  1. True Strength Index TA-Lib · first party technical publication

    Supports: preferred label, short definition, technical definition

    Limits: Long/short ordering, EMA seeds, warm-up suppression, optional signal line, and zero denominator vary by implementation.

Reviewed by
fintech-builder-batch-008
Last reviewed
2026-07-29
Next review
2027-07-29
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.