News article: The London Stock Exchange Group is to provide real-time market data to Google, bolstering the search-engine's Google Finance offering with free access to London prices previously only available with a delay.

Redis caching K average operations per second. US financial market daily news updates. Check our twitter status account IEXStatus for updates. One of its strong points True tick data: European Central Bank Euro foreign exchange reference rates page, which is updated once per working day, and available in several formats, e.

Add new comment

In order to get free bid/ask pricing for currency exchange rates, one tool that would work is the unofficial Yahoo Finance API. Basic usage Advanced options - .

Reuters Instrument Codes are no longer supported. For example, ticker AX would not work. Add an exchange to avoid discrepancies. This is required if a date is specified. Realtime results will be returned as a value within a single cell. Historical data, even for a single day, will be returned as an expanded array with column headers.

Quotes are not sourced from all markets and may be delayed up to 20 minutes. Market data and stock quotes service. Stock and market price data service. Stock market charts creation service. Stock and financial market data and charting service. Stock and index value data service. Global securities market data service. Online stock trading service.

Trading and Market Data Service. Financial Data Filter Service. Italian securities market information service. Securities markets information service. Electronic financial trading service. Suite of financial services. Stock quote and information service. Financial portfolio analysis service. Company Data Lookup Service. Historical Stock Price lookup service. Realtime tweets about stocks. Real-time idea network for investors and traders.

Stock trading and investment service. Financial Data Feed Service. Reference data for active and mature bonds. Bond price data service. Real time bonds price data service. Corporate actions data service. Earning calendar information service.

If you're looking for a ruby based solution for this problem, I recommend using the Google Calculator method a solution similar to the following: You should confirm current rates before making any transactions that could be affected by changes in the exchange rates. Foreign currency rates provided by Citibank N. Rates are for information purposes only and are subject to change without notice.

Rates for actual transactions may vary and Citibank is not offering to enter into any transaction at any rate displayed. For all newbie guys searching for some hint about currency conversion, take a look at this link. It helped med a lot regarding my own project in C.

Just in case the site disappears, I'll add the code below. Just add the below steps to your own project. Sorry about the formatting. Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count. Would you like to answer one of these unanswered questions instead? EDIT To make things a little clearer. I'm not interested in technical stuff nor do I want any code.

Bogdan 3, 8 31 Somehow people started adding alternatives to that API and it transformed into some kind of index about currency exchange APIs. Obviously the community finds it useful since it got tons of votes and favourites Bogdan What would you like me to do?

GeorgeStocker Well, you can leave it closed if you feel it's against SO rules, but don't delete it; People seem to find this a good reference for this kind of stuff. GeorgeStocker It is 1 in Google for currency javascript api's and incredibly useful. This item deserves to stay updated for it helps many many developers, which is the main reason stackoverflow was created.

While you are right in the letter of the rule it is not in the spirit to close this topic, as there is no spam or opinionated answers to be found. I kindly request you open it again. Thanks for all your answers. Yahoo finance API Discontinued Discontinued as of with message It has come to our attention that this service is being used in violation of the Yahoo Terms of Service. Here is a link with more useful explanation of the Yahoo finance API.

Please note the Open Exchange Rates project data has been moved away from GitHub NO data available there now and is now being served via openexchangerates. Now Yahoo disabled the api with this message It has come to our attention that this service is being used in violation of the Yahoo Terms of Service. Ryan 4, 7 32 Just an addendum that fixer. Unfortunately, it does not update on weekends.