Definitions
In plain terms
A holder may receive cash, successor shares, or a mixture, and the old security may cease trading.
Technical
Data processing requires predecessor and successor identities, consideration components, ratios, dates, elections, proration, fractions, FX, status, and evidence.
Scope
Legal merger structure does not alone determine accounting, tax, index, or return treatment.
Examples
- A governed calculation records merger with its exact basis, effective time, source, and units.
Common misconceptions
- Merger does not have one universal treatment without the applicable methodology, event terms, and data context.
Concept relationships
Broader concepts
Where this concept is used
Tutorials planned
These catalogued topics use this concept, but their complete build has not shipped yet.
- D02-F03-A04 Primary
- D02-F03-A05 Mentioned
- D03-F01-A03 Important
- D03-F01-A04 Important
Evidence and governance
- Corporate Actions and Events Guide FTSE Russell, London Stock Exchange Group · first party methodology
Supports: preferred label, short definition, technical definition
Limits: Rules are specific to applicable FTSE Russell indices and can contain market, eligibility, tax, and timing exceptions.
- Fintech Builder Glossary Definition Contract The Fintech Builder · internal governed contract
Supports: variant distinction
Limits: Defines governed platform behavior rather than claiming these policies are universally prescribed by external McClellan methodology.
- Reviewed by
- Islam Baraka
- Last reviewed
- 2026-07-27
- Next review
- 2027-07-27
- Record status
- published
