Based on the differential scheme, presents a numerical method of pricing for American put options.

提供一种基于有限差分格式的数值方法为美式看跌期权定价。

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These were essentially put options, with limited upside and a low but real probability of catastrophic losses.

这些本质上都是看跌期权，潜在利润有限，产生灾难性损失的概率虽小但确实存在。

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Mexico bought put options - contracts that give the holder the right to sell oil at a predetermined price.

墨西哥购买了看跌期权——令持有者有权以预订价格卖出石油的合约。

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So what we're doing is filling in those eight electrons following the Aufbau principle, so our first electron is 1s going to go in the 1 s, and then we have no other options for other orbitals that are at that same energy, 1s so we put the second electron in the 1 s as well.

它会是什么样子呢,我们正在做的是将这8个电子按照奥弗,堡原理进行填充,所以我们第一个电子将会进入，然后我们没有其他的,轨道的选择在同一个能级，所以我们把第二个电子也放入。

麻省理工公开课 - 化学原理课程节选

The third group that was given the candies and put in a positive playful mood outperformed the other two groups significantly-- they thought about more options and they actually came up with better solutions with that problem.

第三组得到糖果,并获得积极愉快的心情,明显比另外两组有更好表现-,他们考虑更多选择,得出更好的问题解决办法。

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Special Offer: Make money on the short side of the market with put options.

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In this trade, the put options act as short-term insurance for the long stock position.

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Other put options with large open interest include those at 4800 and 4900 strike prices.

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