Philadelphia Stock Exchange

	Philadelphia Stock Exchange Building
	U.S. National Register of Historic Places
	One of the former locations of The Philadelphia Stock Exchange at 1411 Walnut Street
Location	1409–11 Walnut St.,; Philadelphia, Pennsylvania, U.S.
Coordinates	39°56′59″N 75°09′54″W / 39.949662°N 75.164899°W
Built	1911
Architect	Horace Trumbauer
NRHP reference No.	82003812
Added to NRHP	August 31, 1982

Stock exchanges (listing venues) owned by Nasdaq, Inc.

Philadelphia Stock Exchange (PHLX), now known as Nasdaq PHLX, is the first stock exchange established in the United States and the oldest stock exchange in the nation. The exchange is owned by Nasdaq, which acquired it in 2007 for $652 million, and is headquartered in Philadelphia.^[2]

The exchange was founded in 1790 and originally named the Board of Brokers of Philadelphia^[3] and sometimes referred to as the Philadelphia Board of Brokers.^[4] In 1875, the Board of Brokers changed its name to the Philadelphia Stock Exchange.^{[citation needed]}

In 1949, the exchange merged with the Baltimore Stock Exchange and was renamed the Philadelphia-Baltimore Stock Exchange.^[5] In 1954, it merged with the Washington Stock Exchange and was renamed the Philadelphia-Baltimore-Washington Stock Exchange, often abbreviated PBW. In 1969, the exchange acquired the Pittsburgh Stock Exchange.^[6]

^ "National Register Information System – (#82003812)". National Register of Historic Places. National Park Service. January 23, 2007.
^ "Nasdaq to acquire Philadelphia Stock Exchange". November 7, 2007. Retrieved January 30, 2021.
^ Cite error: The named reference nyt-board-dinner was invoked but never defined (see the help page).
^ Cite error: The named reference nyt-stckboard-p was invoked but never defined (see the help page).
^ Cite error: The named reference city-made was invoked but never defined (see the help page).
^ Gigler, Rich (August 24, 1974). "The City Stock Exchange Closes as a Victim of the Times". The Pittsburgh Press. Retrieved March 25, 2017.

[nris-1] "National Register Information System – (#82003812)". National Register of Historic Places. National Park Service. January 23, 2007.

[nasdaq-acquire-2] "Nasdaq to acquire Philadelphia Stock Exchange". November 7, 2007. Retrieved January 30, 2021.

[nyt-board-dinner-3] Cite error: The named reference nyt-board-dinner was invoked but never defined (see the help page).

[nyt-stckboard-p-4] Cite error: The named reference nyt-stckboard-p was invoked but never defined (see the help page).

[city-made-5] Cite error: The named reference city-made was invoked but never defined (see the help page).

[closes-6] Gigler, Rich (August 24, 1974). "The City Stock Exchange Closes as a Victim of the Times". The Pittsburgh Press. Retrieved March 25, 2017.

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