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Strategies & Market Trends : Ask DrBob
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To: ToTradeWell who wrote (20902)1/18/2001 10:43:39 AM
From: manfmnantucket  Read Replies (2) of 100058
 
2tradewell - it depends on which stocks you want to trade
and how accurate you need your data.

The Island ECN handles roughly 10-15% of the total volume of the NASDAQ. So for all stocks,
the prices and orders you'll see on Island will always be
an approximation.

However, many of the higher volume stocks (eg NAS 100)
do a significant percentage of their volume on Island.
For example, JNPR does 1/3 on Island and CSCO even more.

For those stocks, Island will be a pretty good approximation.
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