OMX Copenhagen 20
E455781
OMX Copenhagen 20 is a stock market index that tracks the performance of the 20 most traded and liquid companies listed on the Nasdaq Copenhagen exchange.
All labels observed (1)
| Label | Occurrences |
|---|---|
| OMX Copenhagen 20 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4649570 — 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: OMX Copenhagen 20 Context triple: [Nasdaq Copenhagen, hasIndex, OMX Copenhagen 20]
-
A.
OMX Stockholm
OMX Stockholm is the main stock market index and trading venue for Swedish equities, operated by Nasdaq.
-
B.
OMX Helsinki 25
OMX Helsinki 25 is a stock market index that tracks the performance of the 25 most traded and liquid companies listed on the Nasdaq Helsinki exchange.
-
C.
OMA
OMA is a renowned international architecture firm known for its innovative, often experimental designs and influential contributions to contemporary architecture.
-
D.
OMA
OMA is the ICAO airline designator assigned to Oman Air, the national carrier of Oman.
-
E.
OMA
OMA is the IATA airport code for Eppley Airfield, the primary commercial airport serving Omaha, Nebraska.
- 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: OMX Copenhagen 20 Target entity description: OMX Copenhagen 20 is a stock market index that tracks the performance of the 20 most traded and liquid companies listed on the Nasdaq Copenhagen exchange.
-
A.
OMX Stockholm
OMX Stockholm is the main stock market index and trading venue for Swedish equities, operated by Nasdaq.
-
B.
OMX Helsinki 25
OMX Helsinki 25 is a stock market index that tracks the performance of the 25 most traded and liquid companies listed on the Nasdaq Helsinki exchange.
-
C.
OMA
OMA is a renowned international architecture firm known for its innovative, often experimental designs and influential contributions to contemporary architecture.
-
D.
OMA
OMA is the IATA airport code for Eppley Airfield, the primary commercial airport serving Omaha, Nebraska.
-
E.
OMA
OMA is the ICAO airline designator assigned to Oman Air, the national carrier of Oman.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
Danish stock index
ⓘ
equity index ⓘ stock market index ⓘ |
| abbreviation | OMXC20 ⓘ |
| assetClass | equities ⓘ |
| componentCount | 20 ⓘ |
| continent | Europe ⓘ |
| country | Denmark ⓘ |
| currency | Danish krone ⓘ |
| exchange | Nasdaq Copenhagen ⓘ |
| focus |
blue-chip stocks
ⓘ
large-cap stocks ⓘ |
| hasUse |
market benchmark for Danish equities
ⓘ
underlying index for financial derivatives ⓘ underlying index for index funds ⓘ |
| isPartOf |
Nasdaq OMX Nordic indices
ⓘ
linked to:
Nasdaq Nordic
|
| isSubsetOf | Nasdaq Copenhagen listed shares ⓘ |
| location | Copenhagen ⓘ |
| market |
Copenhagen Stock Exchange
ⓘ
linked to:
Nasdaq Copenhagen
|
| operator |
Nasdaq Nordic
ⓘ
Nasdaq, Inc. ⓘ
linked to:
NASDAQ
|
| region | Nordic countries ⓘ |
| relatedIndex |
OMX Copenhagen 25
ⓘ
OMX Helsinki 25 ⓘ OMX Nordic 40 ⓘ OMX Stockholm 30 ⓘ |
| sectorCoverage | multiple economic sectors ⓘ |
| selectionCriteria |
free-float market capitalization
ⓘ
liquidity ⓘ trading volume ⓘ |
| tracks |
20 most liquid companies on Nasdaq Copenhagen
ⓘ
20 most traded companies on Nasdaq Copenhagen ⓘ |
| weightingMethod | market-capitalization-weighted ⓘ |
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: OMX Copenhagen 20 Description of subject: OMX Copenhagen 20 is a stock market index that tracks the performance of the 20 most traded and liquid companies listed on the Nasdaq Copenhagen exchange.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.