Oh, that Interactive Brokers had included a getHistoricalSMA() function in their API. No such luck. Fortunately, I've written a Python package that makes it easy to retrieve historical SMAs programmatically from IB, so read this before you tear your hair out trying to create a solution on your own.

The register() and registerAll() methods take only one argument by default, the message sent from IB. You can pass additional arguments into these methods using lambda functions.

Learn about the structure of messages sent from IB and how to extract their valuable information.

The register and registerAll methods are the way your application reacts to info sent by IB. Learn how to use these crucial methods and the difference between them.

Learn how to install Interactive Brokers and the IbPy module on your computer and get started using IbPy to create your financial application.