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
Where this concept is used
Evidence and governance
- 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
- 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.