Definitions
In plain terms
A fixed-length window admits a new observation and normally removes the oldest one at each valid step.
Technical
The contract defines length, calendar, endpoints, current-value inclusion, minimum periods, duplicates, and missing observations.
Scope
A rolling window is not necessarily a fixed number of calendar days.
Examples
- A governed lesson uses Rolling Window only with declared inputs, timing, parameters, and edge-case behavior.
Common misconceptions
- A rolling window is not necessarily a fixed number of calendar days.
Concept relationships
Where this concept is used
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
- 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.