because I want to get the best return I can get from calls and p
所有跟帖:
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your delta is 1.
-njrookie-
♂
(359 bytes)
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04/03/2013 postreply
09:43:03
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Trying to make money from more straddlers has much higher
-huntridge-
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(173 bytes)
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04/03/2013 postreply
09:56:33