FTSE 250 Index
E43734
The FTSE 250 Index is a stock market index that tracks the performance of the 101st to 350th largest companies listed on the London Stock Exchange by market capitalization.
All labels observed (4)
| Label | Occurrences |
|---|---|
| FTSE 250 Index canonical | 17 |
| FTSE 250 | 1 |
| FTSE 250 Index constituents | 1 |
| FTSE 250 companies | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T333034 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: FTSE 250 Index Context triple: [London Stock Exchange, index, FTSE 250 Index]
-
A.
FTSE 100
The FTSE 100 is the leading stock market index of the largest companies listed on the London Stock Exchange, widely used as a benchmark for the UK equity market.
-
B.
Euro Stoxx 50
The Euro Stoxx 50 is a leading blue-chip stock market index that tracks the performance of 50 major companies from countries within the eurozone.
-
C.
S&P Composite 1500
The S&P Composite 1500 is a broad U.S. stock market index that combines the large-cap S&P 500, mid-cap S&P 400, and small-cap S&P 600 to represent about 90% of U.S. equity market capitalization.
-
D.
NASDAQ-100 Index
The NASDAQ-100 Index is a stock market index comprising 100 of the largest non-financial companies listed on the Nasdaq Stock Market, heavily weighted toward the technology sector.
-
E.
S&P 100
The S&P 100 is a stock market index comprising 100 of the largest and most established blue-chip companies listed in the United States, often used as a benchmark for large-cap U.S. equities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: FTSE 250 Index Target entity description: The FTSE 250 Index is a stock market index that tracks the performance of the 101st to 350th largest companies listed on the London Stock Exchange by market capitalization.
-
A.
FTSE 100
The FTSE 100 is the leading stock market index of the largest companies listed on the London Stock Exchange, widely used as a benchmark for the UK equity market.
-
B.
Euro Stoxx 50
The Euro Stoxx 50 is a leading blue-chip stock market index that tracks the performance of 50 major companies from countries within the eurozone.
-
C.
S&P Composite 1500
The S&P Composite 1500 is a broad U.S. stock market index that combines the large-cap S&P 500, mid-cap S&P 400, and small-cap S&P 600 to represent about 90% of U.S. equity market capitalization.
-
D.
NASDAQ-100 Index
The NASDAQ-100 Index is a stock market index comprising 100 of the largest non-financial companies listed on the Nasdaq Stock Market, heavily weighted toward the technology sector.
-
E.
S&P 100
The S&P 100 is a stock market index comprising 100 of the largest and most established blue-chip companies listed in the United States, often used as a benchmark for large-cap U.S. equities.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
FTSE index
ⓘ
equity index ⓘ stock market index ⓘ |
| abbreviation |
FTSE 250 Index
self-linksurface differs
ⓘ
surface form:
FTSE 250
|
| baseDate | 31 December 1985 ⓘ |
| baseValue | 1412.60 ⓘ |
| calculationFrequency | real-time ⓘ |
| calculationMethod | capitalization-weighted ⓘ |
| category | UK stock market index ⓘ |
| componentRange | 101st to 350th largest companies by market capitalization on the London Stock Exchange ⓘ |
| compositionType | free-float adjusted shares ⓘ |
| country | United Kingdom ⓘ |
| currency | Pound sterling ⓘ |
| dataSource | London Stock Exchange prices ⓘ |
| dataVendorCode | ^FTMC ⓘ |
| exchange | London Stock Exchange ⓘ |
| geographicFocus | companies listed in the United Kingdom ⓘ |
| governedBy | FTSE Russell index rules ⓘ |
| hasConstituents | publicly traded companies ⓘ |
| hasTickerSymbol |
FTSE:MCX
ⓘ
MCX ⓘ |
| inclusionCriteria | free-float market capitalization ranking 101 to 350 in FTSE UK series ⓘ |
| isBenchmarkFor | UK mid-cap investment funds ⓘ |
| isDenominatedIn |
Pound sterling
ⓘ
surface form:
GBP
|
| isFollowedBy |
institutional investors
ⓘ
retail investors ⓘ |
| isPartOf | FTSE UK Index Series ⓘ |
| isRelatedTo |
FTSE 100
ⓘ
surface form:
FTSE 100 Index
FTSE 350 Index ⓘ FTSE All-Share Index ⓘ |
| isSubsetOf | FTSE 350 Index ⓘ |
| launchDate | October 1992 ⓘ |
| maintenance | periodic review and rebalancing ⓘ |
| marketCoverage | mid-cap companies ⓘ |
| numberOfConstituents | 250 ⓘ |
| operator | FTSE Russell ⓘ |
| owner |
London Stock Exchange
ⓘ
surface form:
London Stock Exchange Group
|
| primaryUse |
benchmark for UK mid-cap equities
ⓘ
underlying for derivatives ⓘ underlying for exchange-traded funds ⓘ underlying for index funds ⓘ |
| provider | FTSE Russell ⓘ |
| regionCovered | United Kingdom ⓘ |
| sectorCoverage | multiple sectors ⓘ |
| tradingVenue | London Stock Exchange ⓘ |
| type | mid-cap index ⓘ |
| weightingScheme | free-float adjusted market capitalization ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: FTSE 250 Index Description of subject: The FTSE 250 Index is a stock market index that tracks the performance of the 101st to 350th largest companies listed on the London Stock Exchange by market capitalization.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
FTSE 250
subject surface form:
Jupiter Emerging & Frontier Income Trust plc
subject surface form:
Mitchells & Butlers plc
subject surface form:
Mitchells & Butlers plc
this entity surface form:
FTSE 250 Index constituents
this entity surface form:
FTSE 250 companies