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Are there any free stock data web APIs out there?


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bluey123
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PostPosted: Mon Oct 27, 2008 3:28 pm  Post subject: Are there any free stock data web APIs out there?
Very similar the way you can do http://api.search.yahoo.com/WebSearchService/V1/webSearch?appid=YahooDemo&query=madonna&results=2 to use Yahoo! web search, I would like to request data about a symbol. In addition to current price, I would like to request:1. 1 day's data by 5 minute increments2. 5 day's data by hourly increments... 1 month's data, 3 month's data, 1 year data, etc.I would like to develop a killer widget with this data.In response to "Just a friend of a friend ( 11 )"...I started by looking at the existing widgets, but they either show the current price, or the graph generated by Y! Finance (or similar)I want historical data so I can generate my own graph. You can see where I'm going with this by looking up Bronosky's ideas in IdeaFactory.Mangalore Dude,The NetEdge API doesn't seem to allow you to find data for >50 days old.So far it looks like using http://ichart.finance.yahoo.com/table.csv?s=YHOO&a=03&b=12&c=1996&d=11&e=2&f=2005&g=d&ignore=.csv ( Derived from http://finance.yahoo.com/q/hp?s=YHOO&a=03&b=12&c=1996&d=11&e=2&f=2005&g=d ) for days in the past and http://xml.island.com/ws/xml/timeandsales.xml?token=3eZDtjXYnDdbWcD2&symbol=yhoo ( Derived from http://data.inetats.com/members/ws/documentation/ ) for today's trade.2 imporvements I'm looking for are:1. XML formated response for days in past2. specifiable minimum time increment between line item results for both.Ideas?
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PostPosted: Mon Oct 27, 2008 3:42 pm  Post subject: Are there any free stock data web APIs out there?
there are many confebulators that uses APIs to show stocks. you might want to try and check there what they are using
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PostPosted: Mon Oct 27, 2008 3:57 pm  Post subject: Are there any free stock data web APIs out there?
There are 2 ways to get the stock data. One using the web API and another using CSV file.Web API - http://ws.netedgesoftware.com/wsenabler/1.0/StockInfoVB.asmx?op=GetHistoryCSV download approach - http://finance.yahoo.com/d/quotes.csv?s=MSFT&f=sl1d1t1c1ohgv&e=.csvYou can download more symbols by changing the value of s parameter. Separate the symbols by + character.
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