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> i heard a comment on cnbc that volume is not calculated the same way for
> the nyse (TVOL ?) and nasdaq (TVOLQ ?). anybody know what that is all
> about?
NYSE - centralized transaction processing, so each trade has its volume
recorded once.
NASD - dealer mkt, so if the trade is done thru 2 different dealer, the
trade volume is reported twice. if the trade is done thru 1 dealer by
crossing between 2 clients/pros, then it will be reported once only.
so, the volume does not make any sense in NASD :)
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