| 
 UID223255 帖子239 主题118 注册时间2011-7-11 最后登录2013-8-19 
 | 
3#
 
 发表于 2011-7-11 17:40 
 | 只看该作者 
| imagine you have one share in a particular stock 
 Po*(1-initial margin) is your initial cash outlay
 
 divided by
 
 1- maintainence margin, which is how much the bank allows you to lose.
 
 is the price your margin call.
 | 
 |