Transactions in New York Stock Exchange (NYSE) listed securities that aren't executed on a national exchange are known as off-board transactions.
Those trades may be handled through an electronic market, such as the Nasdaq Stock Market, through an electronic communications network (ECN), or internally at a brokerage firm. The term off-board derives from the fact that the NYSE is colloquially known as the Big Board.
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- American Stock Exchange (AMEX), Auction market, Big Board, Exchange, Futures exchange, NASDAQ, NASDAQ Stock Market, New York Stock Exchange (NYSE), NYSE Arca, Over-the-counter (OTC), Regional exchange, Stock market, Third market
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