Is there any way for me to save history data using IBridgePy?

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A: Yes. The historical data received in IBridgePy from the IB server are saved in data[symbol(‘xxx’)].hist that is a pandas dataframe. Therefore, you can save it to a csv file by pd.dataframe.to_csv(“Path_to_your_local_folder”) and use it later in anyway.

Example: Request historical data of AAPL and SPY and save them to local folder.

def initialize(context):
    pass

def handle_data(context, data):
    request_data(historyData=[(symbol('SPY'), '1 min', '1 D'),(symbol('AAPL'), '1 day', '10 D') ])
    print data[symbol('SPY')].hist['1 min'].tail()
    print data[symbol('AAPL')].hist['1 day'].tail()
    data[symbol('AAPL')].hist['1 day'].to_csv('AAPL_hist.csv')
    data[symbol('SPY')].hist['1 min'].to_csv('SPY_hist.csv')
    exit()