We would generally only use derivatives for efficient portfolio management purposes.
一般地,我们将只在有效的投资组合管理的情况下才用到衍生金融工具.
互联网
The best efficient portfolio offers the highest ratio of forecasted risk premium to portfolio standard deviation.
最优投资组合提供了最高的预计风险溢价对投资组合标准差比率.
互联网