It shows the standard deviation of the return on the portfolio as a function of the expected return on the portfolio.

它是投资组合的收益标准差,关于预期收益率的函数图像。

耶鲁公开课 - 金融市场课程节选

.. You want to get it-- if you keep adding assets, you can do better and better on your portfolio standard deviation.

你想得到-,如果不断增加资产,组合的标准差就会越来越小。

耶鲁公开课 - 金融市场课程节选

So clearly, that's not, thank you, that's not a profitable deviation and it's also not a profitable deviation for people on the left.

所以很明显,那不是,谢谢,那不是个有利的偏离并且,对左边的人来说也不是个有利的偏离

耶鲁公开课 - 博弈论课程节选

So, for example, at an annual expected return of 12% if I have a portfolio of stocks, bonds, and oil I can get a standard deviation of something like 8% on my portfolio.

例如，在年预期收益12%的情况下%,我有股票，债券和石油的投资组合,在这个组合里,我的投资组合可以取到8%的标准差。

耶鲁公开课 - 金融市场课程节选

Then, once we did that we could plug that into the formula that I gave you last time and get the standard deviation of the portfolio and the expected return on the portfolio.

再将估算出的数值代入到,上节课给你们的公式中,就能得到资产投资组合的标准差,和该投资组合的预期收益率

耶鲁公开课 - 金融市场课程节选