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Strategies & Market Trends : The Final Frontier - Online Remote Trading

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To: TFF who wrote (10531)9/24/2002 4:52:51 AM
From: YxY   of 12617
 
That is really bad news. That's a shame.This isld book was really an important issue for any QQQ trader as it was the way to know what was the real bid ask. the consolidated Naz bid ask on QQQ is bogus most of time because it incorporate bid/ask from MM who will not give an execution (besides may be 100 shares and then holding your order). Also it was useful to filter false tick. ARCA book might be an alternative but being less liquid it is less relevant. It is really penalizing the individual investor.

Also It will not be possible to build the isld book a posteriori from their historical data which is also a bad news for anyone wishing to design a trading system based on reliable data.
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