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Learning pandas - Second Edition by Michael Heydt

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Obtaining and organizing stock data from Google

Our first task is to write a couple of functions that help us with retrieving stock data from Google Finance. We have already seen that this data can be read using a pandas DataReader object, but we will need to organize the data a little differently than how it is provided by Google Finance, as we are going to perform various pivots of this information later.

The following function will get all the Google Finance data for a specific stock between the two specified dates, and also add the stock's symbol in a column (this will be needed later for pivots).

The data will consist of a fixed 3-year ...

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