American Stock Exchange

E95336

financial market stock exchange

The American Stock Exchange was a major U.S. securities exchange known for trading stocks, options, and exchange-traded funds, particularly of smaller and mid-sized companies, before being acquired and rebranded by the New York Stock Exchange.

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All labels observed (2)

Label	Occurrences
American Stock Exchange canonical	6
American Stock Exchange (AMEX)	2

How this entity was disambiguated

This entity first appeared as the object of triple T723740 — 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: American Stock Exchange
Context triple: [NYSE American, formerName, American Stock Exchange]

A. New York Stock Exchange
The New York Stock Exchange is the world’s largest and one of its oldest stock exchanges, serving as a central hub for global equity trading and financial markets.
B. Xetra
Xetra is an electronic trading system operated by Deutsche Börse that serves as the primary platform for trading German and other European securities.
C. NASDAQ
NASDAQ is a major American electronic stock exchange known for listing many of the world’s leading technology and growth companies.
D. National Association of Securities Dealers
The National Association of Securities Dealers (NASD) was a self-regulatory organization that oversaw U.S. broker-dealers and securities markets before its regulatory functions were consolidated into the Financial Industry Regulatory Authority (FINRA).
E. Chicago Stock Exchange
The Chicago Stock Exchange is a regional securities exchange in the United States that facilitates the trading of stocks and other financial instruments.
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: American Stock Exchange
Target entity description: The American Stock Exchange was a major U.S. securities exchange known for trading stocks, options, and exchange-traded funds, particularly of smaller and mid-sized companies, before being acquired and rebranded by the New York Stock Exchange.

A. New York Stock Exchange
The New York Stock Exchange is the world’s largest and one of its oldest stock exchanges, serving as a central hub for global equity trading and financial markets.
B. Xetra
Xetra is an electronic trading system operated by Deutsche Börse that serves as the primary platform for trading German and other European securities.
C. NASDAQ
NASDAQ is a major American electronic stock exchange known for listing many of the world’s leading technology and growth companies.
D. National Association of Securities Dealers
The National Association of Securities Dealers (NASD) was a self-regulatory organization that oversaw U.S. broker-dealers and securities markets before its regulatory functions were consolidated into the Financial Industry Regulatory Authority (FINRA).
E. Chicago Stock Exchange
The Chicago Stock Exchange is a regional securities exchange in the United States that facilitates the trading of stocks and other financial instruments.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	financial market ⓘ stock exchange ⓘ
abbreviation	AMEX ⓘ
acquiredBy	Euronext ⓘ surface form: NYSE Euronext New York Stock Exchange ⓘ
acquisitionYear	2008 ⓘ
alsoKnownAs	AMEX ⓘ
country	United States of America ⓘ surface form: United States
currency	US dollar ⓘ surface form: United States dollar
focus	mid-cap companies ⓘ small-cap companies ⓘ
formerName	New York Curb Exchange ⓘ New York Curb Exchange ⓘ surface form: New York Curb Market
governedBy	self-regulatory organization rules ⓘ
headquartersAddress	86 Trinity Place, New York City ⓘ
historicalSignificance	one of the major U.S. stock exchanges of the 20th century ⓘ
industry	financial services ⓘ securities exchange ⓘ
language	English ⓘ
listedSecurityType	ETF shares ⓘ common stock ⓘ equity options ⓘ index options ⓘ preferred stock ⓘ warrants ⓘ
locatedIn	Manhattan ⓘ New York ⓘ New York City ⓘ
marketType	auction market ⓘ
notableFor	floor-based open outcry trading ⓘ listing smaller and emerging companies ⓘ
operatedAs	national securities exchange in the United States ⓘ
rebrandedAs	NYSE Alternext U.S. ⓘ NYSE Arca ⓘ surface form: NYSE Amex Equities
regionServed	North America ⓘ United States of America ⓘ surface form: United States
regulator	Securities and Exchange Commission ⓘ surface form: U.S. Securities and Exchange Commission
specialization	ETF trading ⓘ derivatives trading ⓘ options trading ⓘ
status	defunct as an independent exchange ⓘ
successor	NYSE American ⓘ
tradedInstrument	exchange-traded funds ⓘ options ⓘ stocks ⓘ

How these facts were elicited

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

NYSE American → formerName → American Stock Exchange ⓘ

New York Curb Exchange → predecessorOf → American Stock Exchange ⓘ

New York Curb Exchange → evolvedInto → American Stock Exchange ⓘ

New York Curb Exchange → successor → American Stock Exchange ⓘ

The Curb → predecessorOf → American Stock Exchange ⓘ

The Curb → evolvedInto → American Stock Exchange ⓘ

The Curb → associatedWith → American Stock Exchange ⓘ

this entity surface form: American Stock Exchange (AMEX)

The Curb → successor → American Stock Exchange ⓘ