Foundations
Data & methodology
Coverage, survivorship-free quality, providers, freshness.
2 guides · 41 questions · 9 termsUPDATED 2026-09-25
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Foundations
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2 guidesQuestionsQuick answers
41 questionseach one lands on the exact answer
- Why does the catalogue keep companies that no longer trade?
- What does the catalogue know about index membership?
- Which instruments do the coverage figures count?
- What counts as an exchange?
All questions on Data & methodology →Show less ↑
grouped by the page that answers them
from Coverage window
from Data-tier gating
from Delisted
from Special data series
from SymbolsList
TermsThe words of this section
9 terms- Coverage window
- Data-tier gating
- Delisted
- Index lists and point-in-time constituents
- Market-day and trading-calendar alignment
- Permanent instrument identifier
- Special data series
- SymbolsList
- Tradable and Not tradable
Looking for a word from another section? All terms A–Z →
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DATA & METHODOLOGY · 11 PAGES