Definitions
In plain terms
It reduces short-term variation using a declared window or decay rule, such as SMA, WMA, or EMA.
Technical
A complete specification fixes input, ordering, window or decay, weights, seed, readiness, missing values, timestamps, and revisions.
Scope
Moving averages are descriptive filters and do not guarantee trend or forecast accuracy.
Examples
- A governed lesson uses Moving Average only with declared inputs, timing, parameters, and edge-case behavior.
Common misconceptions
- Moving averages are descriptive filters and do not guarantee trend or forecast accuracy.
Concept relationships
Where this concept is used
- ImportantSimple Moving Average (SMA): Define the Window Before the MeanD07-F01-A01
- ImportantExponential Moving Average (EMA)D07-F01-A02
- PrerequisiteWeighted Moving Average (WMA): Newest-Heavy Linear SmoothingD07-F01-A03
- PrerequisiteWilder RMA: SMA-Seeded Alpha 1/n SmoothingD07-F01-A04
- PrerequisiteBollinger BandsD07-F04-A03
Evidence and governance
- Moving Average and Smoothing Methods NIST/SEMATECH · official standard
Supports: preferred label, short definition, technical definition
Limits: Forecasting notation and initialization can differ from technical-indicator conventions and must be translated explicitly.
- Reviewed by
- fintech-builder-batch-006
- Last reviewed
- 2026-07-27
- Next review
- 2027-07-27
- Record status
- published
