Definitions
In plain terms
Missing is a meaning, not a number. The reason may be no event, closed market, provider gap, inapplicability, or a failed pipeline.
Technical
A dataset should distinguish missingness reason, structural absence, null encoding, session expectation, source provenance, and whether downstream estimation is permitted.
Scope
Missing must not be silently converted to zero or carried forward without policy.
Examples
- A governed dataset records missing value explicitly and preserves the source context needed to interpret it.
Common misconceptions
- Missing Value does not have one universal meaning or policy without its declared source, scope, and data contract.
Concept relationships
Narrower concepts
Contrasts with
Required by
Where this concept is used
- ImportantOHLC Consistency ValidatorD01-F02-A01
- ImportantHampel Bad-Tick FilterD01-F02-A02
- ImportantMedian Absolute Deviation Outlier FilterD01-F02-A03
- PrerequisitePrevious-Tick InterpolationD01-F03-A01
- PrerequisiteLinear Quote InterpolationD01-F03-A02
- PrimaryMissing-Bar Gap ClassifierD01-F04-A01
- ImportantDelisting Return Reconstruction: Separate Observed Proceeds from EstimatesD02-F03-A05
- ImportantEligibility ScreenD03-F06-A01
- ImportantLiquidity ScreenD03-F06-A02
Evidence and governance
- Fintech Builder Glossary Definition Contract The Fintech Builder · internal governed contract
Supports: preferred label, short definition, technical definition
Limits: Defines governed platform behavior rather than claiming these policies are universally prescribed by external McClellan methodology.
- Reviewed by
- fintech-builder-owner-approved
- Last reviewed
- 2026-07-26
- Next review
- 2027-07-26
- Record status
- published