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The IB API calls your code asynchronously when there are account updates after you have called reqAccountUpdates. But you have to provide a callback function (handler) for the IB API to call. Looks like from the [ibPy documentation example] (https://code.google.com/p/ibpy/wiki/IbPyOptional) and how the Java IB API is defined, you want to call ...


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You'll want the ibrokers package, its very good and built on the c++ api. Also check out quantmod, performanceanalytics, and highfrequency package. And a comprehensive list, http://cran.r-project.org/web/views/Finance.html


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You'll want to adjust the contract inputs you're sending to IB secType should be CASH, exchange should be IDEALPRO, and add in whatToShow = "MIDPOINT" or "BID" or "ASK"



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