finance

Stock ticker symbol lookup API [closed]

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You can use yahoo’s symbol lookup like so: http://d.yimg.com/autoc.finance.yahoo.com/autoc?query=yahoo&callback=YAHOO.Finance.SymbolSuggest.ssCallback Where query is the company name. You’ll get something like this in return: YAHOO.Finance.SymbolSuggest.ssCallback( { “ResultSet”: { “Query”: “ya”, “Result”: [ { “symbol”: “YHOO”, “name”: “Yahoo! Inc.”, “exch”: “NMS”, “type”: “S”, “exchDisp”: “NASDAQ” }, { “symbol”: “AUY”, “name”: “Yamana Gold, Inc.”, “exch”: “NYQ”, “type”: “S”, “exchDisp”: … Read more

Real life trading API [closed]

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AFAIK, TradeStation is the most famous of the lot. Most other trading softwares provide APIs (NinjaTrader, MetaStock etc). FWIW, there are even competitions of automated trading systems — see this. Also, this is something that the exchange has to support and your broker has to allow. Most exchanges I know of, do not allow automated … Read more

Precise Financial Calculation in JavaScript. What Are the Gotchas?

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You should probably scale your decimal values by 100, and represent all the monetary values in whole cents. This is to avoid problems with floating-point logic and arithmetic. There is no decimal data type in JavaScript – the only numeric data type is floating-point. Therefore it is generally recommended to handle money as 2550 cents … Read more