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。
The trade looks shrewd because these so-called European put options can only be exercised at maturity.
这笔交易之所以看起来很高明，是因为这种所谓欧式期权只能在到期日才能行使。
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。
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。
Where possible we also like the flexibility to buy put options at the market index level, again for downside protection.
如有可能，我们同样也愿意在市场指数的水平上购买认沽期权，以进行下跌保护。
By valuing six American put options, the numerical experiment and analysis show that the Euler method with FFT is a fast and highly accurate numerical method.
在数值实验中，对六个美式看跌期权价格进行了计算，通过分析比较，结果表明：快速傅里叶变换法加欧拉法是一种快速的高精度的数值计算方法。
Put options are so dangerous because when markets are volatile, their riskiness does not rise steadily, but spikes very sharply within a very short space of time.
卖出期权的危险在于，当市场动荡不堪时，其风险并非逐步显现，而是在极短的时间内突然爆发。
Some investors are more creative. Mark Hart of Corriente Advisors, a hedge fund, has bought put options on the yuan, betting that the value of the currency will decline.
有些投资者表现的更加激进，沃思堡顾问公司的马克·哈特，已经在使用看跌期权做空人民币。
This is a Chinese version of an implementation of the Black-Scholes financial model, providing call options and put options. No liability for use is accepted by the developer.
这是实施布莱克·斯科尔斯财务模型的中文版本，提供了看涨期权和看跌期权。接受由开发商使用不承担任何责任。
When markets are booming, or even just stable, selling "out-of-the-money" put options, with a strike price far below the current market price of the asset, is a route to easy money.
当市场繁荣或较为平稳时，以远低于标的资产市场现价的执行价格卖出“价外”卖出期权根本就是在捡钱。
'Warren Buffett believes in this rule as well,' he added, referring to Mr. Buffett's bullish selling of long-term put options on the Standard & Poor's 500-stock index in recent years.
他说，巴菲特(WarrenBuffett)也相信这一准则。由于看涨股市前景，巴菲特近年来持续抛售标准普尔500股指期货的长期看跌期权。
These guidelines describe the difference between Options and Context menus, how to arrange menu items, when to put commands on-screen, and other details about menu design.
这些设计指南包括了选项和文本菜单的区别，如何排列菜单项目，什么时候在屏幕上放置命令，还有其他一些菜单设计细节。
All options will work if both parents are willing to put in the time and effort to create family unity and unanimity.
如果父母都投入精力与时间去经营家庭，使家庭团结和谐的话，那么以上的这些选择都是有效的。
When a bankrupt GM first put the businesses on sale last year, it had several options.
去年，当即将破产的通用开始变卖资产时，它面临几个选项。
Both options put some onus on the developers, who need to be aware of the characteristics of the architecture they are working with.
两种选择都会给开发人员造成一些负担，他们需要了解他们处理的架构的特点。
They usually think of it as temporary-this is for now, I'll put some time into building my resume and expand my future options.
他们认为异地恋只是暂时的，就比方说现在，我要花点时间丰富我的简历，好让我的未来有更多选择。
Choose the options that do not put a strain on your bank account or your emotional well-being.
选择那种不会让你的银行账户吃紧的或影响情绪的选项。
So, if you'd like to put your root filesystem into full data journaling mode, add rootflags=data=journal to your kernel boot options.
因此，如果愿意将根文件系统置于完整数据日志记录方式下，则向内核引导选项添加rootflags=data=journal 。
The format of the CherryPy Web server config file and the options you can put into it are described on this Wiki.
CherryPyWeb服务器配置文件的格式及其可放入其中的选项在Wiki中都有描述。
From the point of view of message groups, the first important thing to note is that the constant MQPMO_LOGICAL_ORDER is added to the put message options.
从消息组的角度而言，要注意的第一个重要方面是向put消息选项添加了约束MQPMO_LOGICAL_ORDER。
Those who put aside a reasonable sum provides for choosing Cocktail Dresses from designer options to an ideal Bridesmaid Dresses .
撇开那些谁合理款项，提供从设计选项选择一个理想的鸡尾酒礼服伴娘礼服。
It does not get more modest or more fair than that, but we have a responsibility to put these options forward for people to debate and consider because we want to see talent protected.
它不能得到比那更温和更公平的了，但是我们有责任让人民来辩论和考虑这些选项，因为我们想保护那些天才。
American footballers put up with lowish pay because they lack other options. They probably also love the game.
美国球员忍受低工资是因为他们没得选，或者他们也热爱足球。
When the options are added, you will need to save and synchronize the changes before restarting the application server to put the changes in effect.
添加选项后，需要保存并同步更改，然后重启应用程序服务器使更改生效。
Crucially, Brazil said it was "open to the options for a new treaty" being put forward by the EU.
更为重要的是，巴西表示同意欧盟提出的新协定的提案。
They have two options, either of which would involve radically re-engineering their business model, as they might put it.
他们有两个选择：任何一种都包括对于他们商业模式的根本性重构，尽管他们或许根本不会实行。
This illustrates the parent organization and the store organization are distinct, but in practice, you would want to put the CSR further down the organizational tree. There are two options.
这说明父组织和商店组织是不同的，但是在实践中，您可能希望将CSR放在组织树中更往下的地方。
“The debate on whether or not to spray has heated up over the past year,” he says. “Some of our clients are examining options to put more emphasis on spraying than they have in the past.
他说：“我们的很多客户都要求我们比过去更多地强调喷药。
He's a great scorer, and one of the best late-game options in the league, but too many people reflexively put him top 5-10 in the league, when top 20-25 is more accurate.
他的得分能力很不错，也是联盟中最后一投的最佳人选之一，但是太多的人将他摆在了最佳的前5 - 10的位置，其实20 - 25这样子更准确些。
He's a great scorer, and one of the best late-game options in the league, but too many people reflexively put him top 5-10 in the league, when top 20-25 is more accurate.
他的得分能力很不错，也是联盟中最后一投的最佳人选之一，但是太多的人将他摆在了最佳的前5 - 10的位置，其实20 - 25这样子更准确些。
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