I'm trying to do a simple order through the Interactive Brokers API using R.
For example, I'm trying to buy 1 share of IBM and short 1 share of MSFT.
I cannot find any documentation on how to do this step in R. Does anyone have familiarity working in R with the TWS API?
Thank you!
There is a pretty good project on cran called IBrokers, which wraps the C++ API for IB.
You can find it on cran: http://cran.r-project.org/web/packages/IBrokers/index.html
Have a look at the vignettes for a good reference on how to get data and set orders:
About the general setup and receiving data: http://cran.r-project.org/web/packages/IBrokers/vignettes/IBrokers.pdf
Also, I can really recommend the cheat sheet: http://cran.r-project.org/web/packages/IBrokers/vignettes/IBrokersREFCARD.pdf
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So, to set an order, use the placeOrder Object, which you supply with the connection details (those are described in the general setup I linked) :
Here, both are market orders.
I hope that gives you a starting point.