FTB-C000232 / Implementation concept

High-Low Observation Window

High-Low Observation Window is the ordered set of observations used to decide whether a price is a new high or low.

Also known ashigh-low lookback window

Foundation 2 linked topicsPublished

Definitions

In plain terms

A label such as 52-week must be translated into an exact session or calendar rule.

Technical

The contract declares length, calendar, endpoints, current-bar inclusion, corporate-action basis, and minimum valid history.

Scope

Different window conventions can create different flags on the same date.

Examples

  • A Fintech Builder lesson can compute or identify High-Low Observation Window only after declaring its inputs, timing, and edge-case rules.

Common misconceptions

  • Different window conventions can create different flags on the same date.

Concept relationships

Prerequisites

Related

Required by

Where this concept is used

Tutorials planned

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

  • D04-F03-A01 Important
  • D04-F03-A02 Important

Evidence and governance

  1. New 52-Week Highs and Lows for Exchanges StockCharts ChartSchool · secondary methodology

    Supports: preferred label, short definition, technical definition

    Limits: Provider symbols and eligibility rules may differ from another data vendor's point-in-time universe.

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.