AMTD
E367344
AMTD is the stock ticker symbol for TD Ameritrade, a major U.S.-based online brokerage and financial services firm.
All labels observed (1)
| Label | Occurrences |
|---|---|
| AMTD canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3543738 — 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: AMTD Context triple: [TD Ameritrade, tickerSymbol, AMTD]
-
A.
AMTK
AMTK is the reporting mark used by Amtrak, the United States’ national passenger railroad service, to identify its locomotives and rolling stock.
-
B.
ATMB
ATMB is a French company responsible for managing and operating major alpine transport infrastructure, including the Mont Blanc Tunnel.
-
C.
MTD
MTD is the public bus transit agency serving the Champaign–Urbana metropolitan area in Illinois.
-
D.
AMT
AMT is the standard time zone used in Armenia, corresponding to UTC+4 hours.
-
E.
AMRO
AMRO is the World Health Organization’s Regional Office responsible for public health leadership and coordination across the Americas.
- 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: AMTD Target entity description: AMTD is the stock ticker symbol for TD Ameritrade, a major U.S.-based online brokerage and financial services firm.
-
A.
AMTK
AMTK is the reporting mark used by Amtrak, the United States’ national passenger railroad service, to identify its locomotives and rolling stock.
-
B.
ATMB
ATMB is a French company responsible for managing and operating major alpine transport infrastructure, including the Mont Blanc Tunnel.
-
C.
MTD
MTD is the public bus transit agency serving the Champaign–Urbana metropolitan area in Illinois.
-
D.
AMT
AMT is the standard time zone used in Armenia, corresponding to UTC+4 hours.
-
E.
AMRO
AMRO is the World Health Organization’s Regional Office responsible for public health leadership and coordination across the Americas.
- F. None of above. chosen
Statements (12)
| Predicate | Object |
|---|---|
| instanceOf |
financial services company
ⓘ
financial services company ⓘ online brokerage firm ⓘ stock ticker symbol ⓘ |
| acquiredBy | Charles Schwab Corporation ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| headquarteredIn | Omaha, Nebraska ⓘ |
| industry |
financial services
ⓘ
online brokerage ⓘ |
| listedOn | NASDAQ ⓘ |
| represents |
TD Ameritrade Holding Corporation
ⓘ
linked to:
TD Ameritrade
|
| tradedAs | AMTD ⓘ |
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: AMTD Description of subject: AMTD is the stock ticker symbol for TD Ameritrade, a major U.S.-based online brokerage and financial services firm.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.