FTB-C000239 / Formula component

Moving-Average Lookback

Moving-Average Lookback is the declared window length and calendar basis used by a moving-average calculation.

Also known asMA period

Definitions

In plain terms

The labels 20-day, 50-day, and 200-day normally refer to session counts, but the contract must say exactly what day means.

Technical

It governs window membership, warm-up, readiness, and the timestamp of each average.

Scope

It is not a forecast horizon or a guarantee of calendar-day coverage.

Examples

  • A Fintech Builder lesson can compute or identify Moving-Average Lookback only after declaring its inputs, timing, and edge-case rules.

Common misconceptions

  • It is not a forecast horizon or a guarantee of calendar-day coverage.

Concept relationships

Where this concept is used

Tutorials planned

These catalogued topics use this concept, but their complete build has not shipped yet.

  • D04-F03-A04 Prerequisite
  • D04-F03-A05 Prerequisite
  • D04-F03-A06 Prerequisite
  • D07-F01-A01 Important

Evidence and governance

  1. Percent Above Moving Average StockCharts ChartSchool · secondary methodology

    Supports: preferred label, short definition, technical definition

    Limits: Threshold interpretation and universe composition are contextual and must not be treated as guaranteed signals.

Reviewed by
fintech-builder-batch-005
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.