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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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I'm gonna keep as part of each stock, it's history of prices, which we can initialize, well, I've initialized it as empty, but that's probably the wrong thing, right?
我会把股票的历史价格，作为每只股票的一部分，我们可以先对它的历史价格进行赋值，好了，我先给它赋了空值，但是这样做可能不对，是吗？
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We might or might not have time to come back to that But more generally, the point is, that each stock actually behaves a little bit differently.
我们可能没有时间讲这些问题了,但是一般来说，这里的问题是，每一只股票的表现,都是不一样的。
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So we're going to assign to each stock, when we create it, a distribution.
所以我们在创建每只股票时，要给它们指定一中概率分布。
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How would you model individual stocks if you believe this hypothesis?
如果你们相信这个,假设你们应该怎样去对每只股票建模呢？
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I'll draw something from the distribution, so this is interesting, distribution I'm now calling self dot distribution, and remember this will be different for each stock.
我会从分布中读取一个值，这就是有趣的部分，我现在会调用self。,请记住每只股票都是不一样的。
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