如果每天rebalance，the average gain is about 5%/yr, less than the interest on the margins. 如果每周rebalance，the average gain is not much better (about 10%/yr). This is before interest and other trading costs! This also assumes that there are no margin calls， etc. 建议新手们三思而行！ (谈股论金) 1078次阅读

作者: investor101 , 发表于: 2016-08-20 (3018天前) @ genes

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