blocks|key|2952477|text|这是“苹果”的雅虎财经历史数据|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2952478|http://in.finance.yahoo.com/q/hp?s=AAPL|offset|length|2952479|在底部有一个下载数据的链接。也许这能帮上忙|2952480|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|13|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@$D|Q|E|R|1|S]]|A|$]]|$1|F|3|G|5|6|7|T|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|U|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|C]]]]

This is a Yahoo finance Historical data for "Apple"

<a href="http://in.finance.yahoo.com/q/hp?s=AAPL" rel="nofollow">http://in.finance.yahoo.com/q/hp?s=AAPL</a>

There is a link at the bottom to download the data. May be this could help

blocks|key|1792329|text|正在开发的Java库是IdylFin，它提供了方便的方法来下载历史数据。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1792330|免责声明:我是这个库的作者。|1792331|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/charles-cooper/idylfin^0|B|7|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

A Java library under development is <a href="https://github.com/charles-cooper/idylfin" rel="nofollow">IdylFin</a>, which has convenience methods to download historical data.

Disclaimer: I am the author of this library.

blocks|key|884883|text|斯蒂芬在金钱上是对的，如果你真的想要真正丰富的数据，你可能必须为此付费。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|884884|然而，通过使用下面的"API“，我已经在我自己的私人项目中取得了成功：|884885|http://www.gummy-stuff.org/Yahoo-data.htm|offset|length|884886|我经常从标准普尔500指数中拉低所有股票，但如果你发布了这些数据，可以和雅虎谈谈。您可能需要获得许可。|884887|顺便说一句，所有这些数据都是CSV格式的，所以请使用CSV阅读器/转换器等，它们很容易找到|884888|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|15|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|U|8|@]|9|@$F|V|G|W|1|X]]|A|$]]|$1|H|3|I|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|Z|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|10|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|E]]]]

Stephen is right on the money, if you really want a real wealth of data, you're probably gonna have to pay for it. 

however, I've been successful on my own private projects by using the "API" spelled out here:

<a href="http://www.gummy-stuff.org/Yahoo-data.htm" rel="nofollow">http://www.gummy-stuff.org/Yahoo-data.htm</a>

I've pulled down all the stocks from the S&amp;P 500 quite often, but if you ever publish that data, talk with yahoo. you'll probably have to license it.

btw, all this data is in CSV format, so get a CSV reader/converter etc. their easy to find

blocks|key|4552099|text|我会推荐几个API，它们的财务数据有时很难找到(例如季度业绩，分析师电话)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4552100|1)+http://www.zacksdata.com/zacks-data-api+2)+http://www.mergent.com/servius|offset|length|4552101|两家公司都有免费试用版。|4552102|(披露:我的公司同时管理这两个API)|4552103|entityMap|0|LINK|mutability|MUTABLE|url|http://www.zacksdata.com/zacks-data-api|1|http://www.mergent.com/servius^0|0|3|13|0|1A|U|1|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@$D|V|E|W|1|X]|$D|Y|E|Z|1|10]]|A|$]]|$1|F|3|G|5|6|7|11|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|12|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]|R|$5|M|N|O|A|$P|S]]]]

I will suggest a couple of APIs that have financial data that is sometimes hard to find (e.g. quarterly results, analyst calls):

1) <a href="http://www.zacksdata.com/zacks-data-api" rel="nofollow">http://www.zacksdata.com/zacks-data-api</a>
2) <a href="http://www.mergent.com/servius" rel="nofollow">http://www.mergent.com/servius</a>

Both have free trials available.

(Disclosure: My company manages both of these APIs)

blocks|key|1795109|text|一个从雅虎财经获取数据的Java示例，这里给出了Obba+Tutorial:+Using+a+Java+class+which+fetches+stock+quotes+from+finance.yahoo.com|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1795110|entityMap|0|LINK|mutability|MUTABLE|url|http://www.obba.info/tutorial/fetchingquotes/^0|O|2B|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

A Java example to fetch data from Yahoo finance it given here <a href="http://www.obba.info/tutorial/fetchingquotes/" rel="nofollow">Obba Tutorial: Using a Java class which fetches stock quotes from finance.yahoo.com</a>

blocks|key|885149|text|我以前解决过这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|885150|对于价格历史数据，我使用了yahoo的API。当我说API时，我指的是向价格历史数据的CSV文件发出HTTP+get请求。不幸的是，在您指定的时间跨度内，一次只能获得一家公司的数据。因此，我首先列出了所有的滚动条符号，并对其进行迭代，为每个符号调用yahoo的API。你也可以找到一个列出了股票代码的网站，然后定期下载这个列表。|885151|这样做太频繁和太快，他们的网站可能会阻止你。我添加了一些代码来限制发出http请求的频率。我还持久化了我的数据，这样我就不需要再次获取它了。我总是会持久化原始/未处理的数据形式，你的代码可能会发生变化，使得它很难使用其他任何东西。Avro/Thrift可能是个例外，因为它们支持模式演化。|885152|对于其他类型的数据，您可能没有任何API为您提供良好的CSV文件。我不得不多次处理这个问题。这是我的建议。|885153|有时网站会在幕后调用restful风格的web服务，您可以通过使用firebug来发现这一点。有时，它还需要某些标头，您也可以使用firebug发现这些标头。|885154|如果您被迫使用HTML，有几个java库可以帮助您。apache.commons.http是一个库，您可以使用它来轻松地发出http请求并处理它们的响应。谷歌也有一个http-client+jar，这可能值得研究一下。|885155|HTML非常擅长解析JSoup数据，即使它的格式很差，而不是XHTML.它也适用于XML。学习XPath并使用它来选择您想要的东西，而不是遍历或访问jsoup层次结构中的节点。网站可能会定期更改其网页的格式，如果你使用JSoup，这应该很容易处理和修复，否则就很难处理。|885156|如果必须使用JSON，可以使用Jackson库来解析它。|885157|如果您必须使用CSV，请使用OpenCSV库来解析和处理它。|885158|此外，请始终将数据存储在原始数据中，并避免发出不必要的HTTP请求，以免被阻塞。我已经被谷歌金融屏蔽了几次，他们可以做到。幸运的是，这个块确实过期了。您甚至可能希望在两次请求之间添加一个随机等待时间。|885159|entityMap^0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|X|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|Y|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|Z|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|10|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|11|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|12|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|13|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|14|8|@]|9|@]|A|$]]|$1|T|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|U|$]]

I have tackled this problem in the past.

For price history data, I used yahoo's API. When I say API, I mean I was making an HTTP get request for a CSV file of price history data. Unfortunately, that only gets you data for one company at a time, for a time span you specify. So I first made a list of all the ticker symbols, and iterated over that, calling yahoo's API for each. You might be able to find a website that lists ticker symbols too, and just periodically download that list.

Do this too often and too fast, and their website just might block you. I added some code to limit how frequently I made http requests. I also persisted my data so I would not have to get it again. I would always persist the raw/unprocessed form of data, your code could change in ways that make it tough to use anything else. Avro/Thrift might be an exception, since those support schema evolution.

For other kinds of data, you may not have any API that gives you nice CSV files. I had to cope with that problem many times. Here is my advice.

Sometimes a website calls a restful web service behind the scenes, you can discover that by using firebug. Sometimes it will also require certain headers, which you can also discover using firebug.

If you are forced to work with HTML, there are several java libraries that can help you. apache.commons.http is a library you can use to easily make http requests and handle their responses. Google has an http-client jar too, which is probably worth investigating.

The JSoup API is excellent at parsing HTML data, even when it is poorly formatted, and not XHTML. It works with XML too. Instead of traversing or visiting nodes in the jsoup hierarchy, learn XPath and use that to select what you want. The website may periodically change the format of its web page, that should be easy to cope with and fix if you're using JSoup, and tough to cope with otherwise.

If you have to work with JSON, use the Jackson library to parse it.

If you have to work with CSV, use the OpenCSV library to parse and handle it.

Also, always store the data in the raw, and avoid making unnecessary HTTP requests so you don't get blocked. I have been blocked by google finance a couple times, they can do it. Fortunately the block does expire. You might even want to add a random wait period between requests.

blocks|key|1794971|text|你真的是在问一个免费的金融数据服务...而不是API。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1794972|问题是，数据是一种有价值的商品。这可能花费了提供商大量的资金来设置他们的系统，而为了保持这些系统的运行，他们甚至花费了更多的钱。自然，他们希望从投资中获得回报，他们(部分)通过出售数据/服务来实现这一点。|1794973|(在雅虎、谷歌等的情况下，数据是从其他人那里购买的，雅虎/谷歌将受到如何使用这些数据的限制。这些限制将反映在相应的ToS中；例如，您只能访问“个人使用”的服务。)|1794974|我认为您最好的选择是接触一些金融数据提供商，询问他们是否可以为您提供对其数据服务的免费访问(受他们可能施加的任何限制的约束)。你可以走运..。|1794975|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

You are really asking about a free financial data service ... rather than an API.

The problem is that the data is a valuable commodity. It probably has cost the providers a lot of money to set up their systems, and it costs them even more money to keep those systems running. Naturally, they want a return on their investment, and they do this (in part) by selling their data / services.

(In the case of Yahoo, Google, etc, the data is bought from someone else, and Yahoo/Google will be subject to restrictions on how they can use it. Those restrictions will be reflected in respective ToS; e.g. you are only allowed to access the services "for personal use".)

I think your best bet would be to approach a number of the financial data providers, and ask if they can provide you with free access (subject to whatever restrictions they might want to impose) to their data services. You could get lucky ...

blocks|key|1792214|text|你有没有试过谷歌财经API。(请搜索一下;)。我正在用它来跟踪我的投资组合。你能试试http://code.google.com/apis/finance/docs/finance-gadgets.html吗？有一个自定义小部件的例子，它可能会告诉你，如果你在正确的树下叫。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1792215|entityMap|0|LINK|mutability|MUTABLE|url|http://code.google.com/apis/finance/docs/finance-gadgets.html^0|16|1P|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Have you tried Google Finance API. (Please google it ;). I am using it for tracking my portfolio. Could you try <a href="http://code.google.com/apis/finance/docs/finance-gadgets.html" rel="nofollow">http://code.google.com/apis/finance/docs/finance-gadgets.html</a>? There is an example of custom widget and it might tell you if you are barking under the right tree.

blocks|key|1795062|text|好的数据不是免费的。就这么简单。原因是所有数据最终都是从纽约证券交易所或纳斯达克这样的交易所获得许可的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1795063|如果你能弄到一些钱，可以从Automated+Trader获得高分辨率的历史数据。|offset|length|1795064|你也应该和你所在学校的商学院谈谈。如果他们有金融硕士/博士生或金融工程硕士，他们应该为学生准备大量高分辨率数据存储库。|1795065|如果你的问题更详细，我可以提供更详细的答案。|1795066|entityMap|0|LINK|mutability|MUTABLE|url|http://www.automatedtrader.net/tick_data.xhtm^0|0|D|G|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@]|9|@$D|T|E|U|1|V]]|A|$]]|$1|F|3|G|5|6|7|W|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|X|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]]]

Good data is not free. Its as simple as that. The reason is that all data is ultimately licensed from an exchange like NYSE or NASDAQ. 

If you can get some money high resolution historical data is available from <a href="http://www.automatedtrader.net/tick_data.xhtm" rel="nofollow">Automated Trader</a>.

You should also talk to the business school at your school. If they have finance masters/phd students or masters in financial engineering they should have large repositories of high resolution data for their students.

If you make your question more detailed I can provide a more detailed answer.

blocks|key|1792298|text|这是我每周至少踢自己一次的事情。很久以前，当互联网由地鼠组成的时候，你可以登录到NASDAQ和NYSE的FTP服务器，并免费下载各种股票历史文件。我已经做到了，甚至把它导入到数据库中，用it....but做了一些事情，可能是10台电脑之前的事情，现在已经很久了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1792299|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

This is something that I kick myself for at least once a week. Way back when the internet consisted of Gopher and all that, you were able to log into FTP servers at the NASDAQ and NYSE, and download all kinds of stock history files for free. I had done it, even had it imported to a database and did some stuff with it....but that was probably 10 computers ago, its LONG gone now.

I am working on my Master's project and I am looking for a substantial amount of financial data about a particular company. 

Example: let's say "Apple". I want the historic prices, current market price / ratios, quarterly results and the analyst calls. 

I saw couple of posts on StackOverflow about YQL. I think I can get current price and various ratios from Yahoo Finance for free. However for other data, there are companies like Thomson Reuters, Bloomberg, etc. but they seem to have a closed system. 

Where can I get an API to fetch various data? Is there anything which will help me get that data? I am fine with raw data as well in any format. Whatever I can get. Could you guys please suggest any API?

Java API for financial data

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在做我的硕士项目，我正在寻找一家特定公司的大量财务数据。例如:让我们说“苹果”。我想要历史价格，当前市场价格/比率，季度业绩和分析师电话。我在StackOverflow上看到了一些关于YQL的帖子。我想我可以从雅虎财经免费获得当前的价格和各种比率。然而，对于其他数据，也有像汤森路透、彭博社等公司，但它们似乎有一个封闭的系统。我在哪里可以得到一个API来获取各种数据？有什么方法可以帮助我获得这些

问用于财务数据的Java API
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