我计算了那个时间段的股票平均收益率，和债券平均收益率。

I computed the average return on stocks over that time period and I computed the average return on bonds over that time period.

youdao

再利用计算机模拟股票价格收益率的分布特征，模型很好的刻画了现实证券市场中股票收益率分布的宽尾现象、长记忆性，以及累积分布中尾部收益的指数递减现象。

We investigate the fluctuation of price process in a stock market with Ising model and the mean field theory, and construct the corresponding random logarithmic price returns process.

youdao

I computed the average return on stocks over that time period and I computed the average return on bonds over that time period.

我计算了那个时间段的股票平均收益率,和债券平均收益率。

耶鲁公开课 - 金融市场课程节选