There's no correlation between them ... and that means that the variance-- and I want to talk about equally-weighted portfolio.

它们之间没有相关性,也就是说。。。方差-,我想讲一下,权重相等的投资组合。

耶鲁公开课 - 金融市场课程节选

Suppose we had a lot of different stocks that we could put into a portfolio, and suppose they're all independent of each other-- that means there's no correlation.

假设我们现在有很多只不同的股票,可以放进我们的投资组合里，同时假设它们都是相互独立的-,也就是说它们之间没有相关性。

耶鲁公开课 - 金融市场课程节选