Short selling margin requirement
lei123 (2006-12-20 06:27:58) 评论 (3)Account Window explanation
http://www.interactivebrokers.com/php/webhelp/Screens/Account_Information.htm
shorting margin
http://www.interactivebrokers.com/en/trading/marginRequirements/marginRequirementsUs.php?ib_entity=ll
评论 (3)
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lei123