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Re: JohnnySticks post# 226090

Tuesday, 10/19/2010 9:55:06 AM

Tuesday, October 19, 2010 9:55:06 AM

Post# of 361344
I think ARCA is Archipelago Trading Services and is often used by traders to short.

http://www.iijournals.com/doi/abs/10.3905/jot.2006.654298

"This article examines the location of short sales for New York Stock Exchange (NYSE) stocks. We find that most exchanges execute a similar percentage of total trades and short sale trades, although Archipelago executes a substantially higher percentage of short sale trades than total trades"