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Strategies & Market Trends : MDA - Market Direction Analysis
SPY 691.72-0.1%Jan 16 4:00 PM EST

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To: sam_o who wrote (60802)10/17/2000 10:20:06 PM
From: Ibexx  Read Replies (1) of 99985
 
sam,

Re. If one is shorting, he must do it on an uptick,

I always thought NAZ market makers are allowed to short on downtick whereas specialist on the big board can not.

Re. big blocks trading: I was told by two brokers that, when you see big blocks crossed without significant price change, it could be that MMs close their own shorts. This happens more often in options expiry week - of course.

Ibexx
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