where and when did the nyse begin?

Answer 1

1792 Buttonwood Agreement

Twenty-four prominent brokers and merchants gather on Wall Street to sign the Buttonwood Agreement, agreeing to trade securities on a commission basis. The New York Stock Exchange traces its beginnings to this historic pact

1817 NY Brokers Form NYS & EB

The New York brokers establish a formal organization, the New York Stock & Exchange Board (NYS&EB) and rent rooms at 40 Wall Street.

1863 New Name

The New York Stock & Exchange Board becomes the New York Stock Exchange (NYSE).