我昨天及时把bullish spread 转化为bearish spread。
Thu Jul 05 15:55:03 2012 Sell 10 IWM Aug 18 '12 $79 Call Executed @ $3.88
Account: xxxx-yyyy Your Day Sell to close order for 10 IWM Aug 18 '12 $
79 Call at a net credit price of $1.33 was executed at $3.88. See order #
647 for details.