If I wanted every stock to have the same volatility, I could just do that, if you will, at the time I wrote my program.

如果我希望每只股票的浮动值都相同，在我编写程序的时候，如果你愿意的话，我会这么做。

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If I do that, I would like to call the coordinate y, then I will write the same thing.

如果是那种情形,我会把坐标记为y,然后写出一样的式子

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