卖掉半仓股票成本降低怎么算？

投资者的持仓成本是根据是用利润抵扣来进行计算的，举个例子：投资者在10元价位买了200股，这个时候投资者成本为10元，且市值为2000元，等到该股票上涨到20元的时候，市值为4000元，这个时候投...

投资者的持仓成本是根据是用利润抵扣来进行计算的，举个例子：投资者在10元价位买了200股，这个时候投资者成本为10元，且市值为2000元，等到该股票上涨到20元的时候，市值为4000元，这个时候投资者卖出一半的股票，那么利润就是2000元。

于是这个时候关键问题就来了，当初投资者花2000元成本买到的股票，翻了一倍赚了2000且落袋为安了。那么这2000元利润，抵扣了投资者当初花2000买股票的成本，于是这个时候投资者在该股的持股成本就是0元。所以说投资者成本降低多少，取决于利润有多少。

MCSE boot camps have its supporters and its detractors. Some people do not understand why you should have to spend money on boot camp when you can get the MCSE study materials yourself at a fraction of the camp price. However, who has the willpower to actually sit through a self-imposed MCSE training.

MCSE boot camps have its supporters and its detractors. Some people do not understand why you should have to spend money on boot camp when you can get the MCSE study materials yourself at a fraction of the camp price. However, who has the willpower.

MCSE boot camps have its supporters and its detractors. Some people do not understand why you should have to spend money on boot camp when you can get the MCSE study materials yourself at a fraction of the camp price. However, who has the willpower.