老大你用什么broker为什么那么便宜?
所有跟帖:
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IB ,trade SPY大概不到0.5/s,trade股票,不到0.2/s
-比灵通-
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08/04/2011 postreply
11:49:09
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.2 per share for stock? 100 shares will be .2x100=20.
-sogosohu-
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08/04/2011 postreply
11:52:19