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a r

Re: isxtrader post# 49495

Friday, 01/13/2012 11:13:52 AM

Friday, January 13, 2012 11:13:52 AM

Post# of 95200
MMs can execute your orders (if routed through them) or execute their own.

They are there to ensure liquidity in the market but since they can see orders, L2, etc they can profit through the swings and bid-ask spread.

hope this helps.

truth hurts.